This article lists characters in the various canonical incarnations ofStar Trek. This includes fictional main and major characters created for the franchise.
| Character | Actor(s) | Appearances | Rank | Posting | Position | Species |
|---|---|---|---|---|---|---|
| Airiam | Sara Mitich | Seasons 1–2(DSC) | Lt. Commander | USSDiscovery | Science officer | Human cyborg |
| Hannah Cheesman | ||||||
| Jonathan Archer | Scott Bakula | Seasons 1–4(ENT) | Captain | Enterprise NX-01 | Commanding officer | Human |
| Asencia | Jameela Jamil | Seasons 1-2 (PRO) | Civilian Ensign | Solum USSDauntless | Tyrant Navigator | Vau N’Akat |
| Soji Asha | Isa Briones | Seasons 1-2(PIC) | Civilian | Romulan Reclamation Site | Anthropologist | Android |
| Ayala | Tarik Ergin | Seasons 1–7(VOY) | Lieutenant, JG(provisional) | USSVoyager | Helmsman(S7) Security officer(S1-7) Maquis(previous) | Human |
| Azan | Kurt Wetherill | Seasons 6–7(VOY) | Civilian | USSVoyager Passenger | Wysanti/xB | |
| Reginald Barclay | Dwight Schultz | Seasons 3–4,6–7(TNG) Movies(FCT) Seasons 2,6–7(VOY) | Lt. Commander(VOY) Lieutenant, JG(TNG, FCT) | Starfleet Command(VOY) USSEnterprise-E(FCT) USSEnterprise-D(TNG) | Pathfinder Project(VOY) Engineering officer(TNG, movies) | Human |
| Bareil Antos | Philip Anglim | Seasons 1–3,6(DS9) | Vedek | Bajor resident | Bajoran religious leader(S1-3) | Bajoran |
| Julian Bashir | Alexander Siddig | Seasons 1–7(DS9) Season 6(TNG) | Lieutenant(S4-7) Lieutenant, JG(S1-3) | Deep Space 9 | Chief medical officer | Human |
| Marie Batel | Melanie Scrofano | Seasons 1–3(SNW) | Captain | USSCayuga (Seasons 1-2) | Commanding officer | Human |
| B'Etor | Gwynyth Walsh | Seasons 4–5,7(TNG) Movies(GEN) Season 1(DS9) | Commander,Klingon Empire | Bird of Prey | First officer | Klingon |
| Brad Boimler | Jack Quaid | Seasons 1-5(LOW) Season 2 (SNW) (Those Old Scientists) | Ensign (Seasons 1-3) Lieutenant, JG (Season 4) | USSCerritos (Seasons 1-4), USSTitan (Season 2) | Human | |
| Cleveland "Book" Booker | David Ajala | Seasons 3-5 (DSC) | Civilian | USS Discovery 1031-A | Courier, Starfleet consultant | Kwejian |
| Boothby | Ray Walston | Season 5(TNG) Season 5(VOY) | Civilian | Starfleet Academy | Groundskeeper | Human |
| Borg Queen | Alice Krige | Seasons 5–7(VOY) Movies(FCT) Season 2(PIC) | None | Borg Collective | Leader ofBorg Collective | Borg |
| Susanna Thompson | ||||||
| Annie Wersching | ||||||
| Phillip Boyce | John Hoyt | "The Cage" | Lt. Commander | USSEnterprise | Chief medical officer | Human |
| Brunt | Jeffrey Combs | Seasons 3–7(DS9) | Civilian | Ferenginar resident | Ferengi commerce liquidator | Ferengi |
| Ronald Altman Bryce | Ronnie Rowe Jr. | Seasons 1–3(DSC) | Lieutenant Commander (DSC S4) Lieutenant, JG | USSCurie (DSC S4) USSDiscovery | Communications officer | Human |
| Gabrielle Burnham | Sonja Sohn | Seasons 2-3(DSC) | None | Section 31 | Intelligence operative Astrophysicist | Human |
| Michael Burnham | Sonequa Martin-Green | Seasons 1–5(DSC) | Captain(S4-5)Commander(S1-3 Crewman(S1) | USSDiscovery(S1-2) USSShenzhou(S1) | Captain (S4-5) First officer (S3) Science officer(S2) Science specialist(S1) First officer(S1) | Human |
| Arista Arhin (as a child) | ||||||
| Joseph Carey | Josh Clark | Seasons 1,5–7(VOY) | Lieutenant | USSVoyager | Engineering officer | Human |
| Chakotay | Robert Beltran | Seasons 1-2 (PRO) Seasons 1–7(VOY) | Captain Commander(provisional) | USSProtostar (PRO S1) USSVoyager S1-7 | Captain (PRO S1) First officer(VOY S1-7) Maquis(S1) | Human |
| Christine Chapel | Majel Barrett | Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, TVH) | Commander(TMP, TVH) Crewman(TOS, TAS) | Starfleet Command(TVH) USSEnterprise(TOS, TAS, TMP) | Starfleet Command officer(TVH) Medical officer(TMP) Nurse(TOS, TAS) | Human |
| Jess Bush | Seasons 1-3(SNW) | Crewman(SNW) | USSEnterprise(SNW) | Nurse(SNW) | ||
| Pavel Chekov | Walter Koenig | Seasons 2–3(TOS) Movies(TMP, WOK, SFS, TVH, TFF, TUC, GEN) Season 5(DS9) | Commander(WOK, SFS, TVH, TFF, TUC, GEN) Lieutenant(TMP) | USSEnterprise-A(TVH, TFF, TUC) USSReliant(WOK) USSEnterprise(TOS, TMP, SFS) | Chief security officer(SFS, TVH, TFF, TUC) First officer(WOK) Weapons officer(TMP) Navigator(TOS) | Human |
| Anton Yelchin | ST09, STID, STB | Ensign (ST09, STID, STB) | USSEnterprise(ST09, STID, STB) | Navigator(ST09, STID, STB) | ||
| Una Chin-Riley ('Number One') | Majel Barrett | "The Cage" Season 2(DSC) Seasons 1-2 (SNW) | Commander Lt. Commander | USSEnterprise | First officer | Illyrian |
| Rebecca Romijn | ||||||
| J. M. Colt | Laurel Goodwin | "The Cage" | Yeoman | USSEnterprise | Yeoman | Human |
| Katrina Cornwell | Jayne Brook | Seasons 1-2(DSC) | Vice Admiral | Starfleet Command | Admiral ofStarfleet | Human |
| Kimara Cretak | Adrienne Barbeau | Season 7(DS9) | Senator | Deep Space 9 | Romulan representative | Romulan |
| Megan Cole | ||||||
| Beverly Crusher | Gates McFadden | Seasons 1,3–7(TNG) Movies(GEN, FCT, INS, NEM) Season 2(PRO) Season 3(PIC) | Admiral Civilian Commander | Starfleet Command SSEleos XII USSEnterprise-E(FCT, INS, NEM) USSEnterprise-D(S1,3-7, GEN) Starfleet Command(S2) | Head of Starfleet Medical (PIC S5) Civilian doctor associated with the humanitarian organizationMariposas(PIC S5,LOW S4) Chief medical officer(S1, 3–7, movies) Head of Starfleet Medical(S2) | Human |
| Jack Crusher | Ed Speleers | Season 3(PIC) Season 2(PRO) | Ensign Civilian | USSEnterprise NCC-1701-G SSEleos XII | Special counselor to the captain Civilian associated with the humanitarian organizationMariposas | Human |
| Wesley Crusher | Wil Wheaton | Seasons 1–4,5,7(TNG) Season 2(PRO) Season 2(PIC S2) Movies(NEM) | Civilian (PIC S2), (PRO S2) Lieutenant, JG(NEM) Cadet(S4-7) Ensign(S3-4) Ensign(acting)(S1-3) Civilian(S1) | USSTitan(NEM) Starfleet Academy(S4-7) USSEnterprise-D(S1-4) | Traveler (PIC S2), (PRO S2) Engineering officer(NEM) Starfleet cadet(S4-7) Helmsman(S1-4) | Human |
| Hugh Culber | Wilson Cruz | Season 1–5(DSC) | Commander Lt. Commander | USSDiscovery | Doctor | Human |
| Jal Culluh | Anthony De Longis | Seasons 1–3(VOY) | First Maje | Kazon-Nistrim | Leader ofKazon-Nistrim | Kazon |
| Elizabeth Cutler | Kellie Waymire | Season 1(ENT) | Crewman | Enterprise NX-01 | Entomologist | Human |
| Leonardo da Vinci | John Rhys-Davies | Seasons 3–4(VOY) | None | USSVoyager Program | Holographic character | Hologram |
| Damar | Casey Biggs | Seasons 4–7(DS9) | Legate(S7) Gul(S6-7) Glinn(S4-6) | Cardassia Prime CMSGroumall(S4) | Leader ofCardassian Union(S7) Dominion leader(S6-7) Vigilante(S5) Cardassian officer(S4) | Cardassian |
| Daniels /Kovich | David Cronenberg | Seasons 3-5 (DSC) Seasons 1–4(ENT) | Federation official Crewman | Federation Headquarters Unknown | Scientist in cognitive science, with specialties in artificial sentience and intelligence Temporal agent | Mostly Human |
| Matt Winston | ||||||
| Data | Brent Spiner | Seasons 1–7(TNG) Movies(GEN, FCT, INS, NEM) Season 1(PIC) | Lt. Commander | USSEnterprise-E(FCT, INS, NEM) USSEnterprise-D(S1-7, GEN) | Chief operations officer(TNG, GEN, FCT, INS, NEM) | Android |
| Ezri Dax | Nicole de Boer | Season 7(DS9) | Lieutenant, JG(S7) Ensign(S7) | Deep Space 9 | Counselor | Trill |
| Jadzia Dax | Terry Farrell | Seasons 1–6(DS9) | Lt. Commander(S4-6) Lieutenant(S1-3) | Deep Space 9 | Chief science officer | Trill |
| Degra | Randy Oglesby | Season 3(ENT) | Civilian | Xindi Council | Scientist | Xindi-Primate |
| Keyla Detmer | Emily Coutts | Seasons 1–3(DSC) | Lieutenant(S1-2) Lieutenant, JG(S1) | USSDiscovery(S1-2) USSShenzhou(S1) | Helmsman | Human |
| The Doctor | Robert Picardo | Seasons 1–7(VOY) | None | USSVoyager | Chief medical officer | Hologram |
| Dolim | Scott MacDonald | Season 3(ENT) | Commander | Xindi Council | Council member | Xindi-Reptilian |
| Dukat | Marc Alaimo | Seasons 1–7(DS9) | Gul | Cardassia Prime | Religious leader(S6-7) Leader ofCardassia(S5) Vigilante(S4-5) Freighter commander(S4) Cardassian officer(S1-4) | Cardassian |
| Michael Eddington | Kenneth Marshall | Seasons 3–5(DS9) | Civilian(S4-5) Lt. Commander(S3-4) | Deep Space 9(S3-4) | Maquis(S7) Security officer(S5-7) | Human |
| Elnor | Evan Evagora | Seasons 1-2(PIC) | Cadet(S2) Qowat Milat (S1) | USSExcelsior(S2) Vashti resident (S1) | Starfleet cadet(S2) Qalankhkai toPicard (S1) | Romulan |
| Kova Rin Esmar | Jin Maley | Season 3 (PIC) | Ensign | USS Enterprise NCC-1701-G(PIC S3) USSTitan (NCC-80102-A) (PIC S3) | Communications officer | Haliian |
| Evek | Richard Poe | Season 7(TNG) Season 2(DS9) Season 1(VOY) | Gul | CMSVetar | Commanding officer | Cardassian |
| Female Changeling | Salome Jens | Seasons 3–4,6–7(DS9) | None | Cardassia Prime | Leader ofDominion | Changeling |
| Vic Fontaine | James Darren | Seasons 6–7(DS9) | None | Deep Space 9 Program | Holographic entertainer | Hologram |
| Maxwell Forrest | Vaughn Armstrong | Seasons 1–4(ENT) | Vice Admiral | Starfleet Command | NX Project | Human |
| Alonzo Freeman | Phil LaMart | Seasons 1-4 (LOW) | Admiral | Starfleet Command | Flag officer | Human |
| Carol Freeman | Dawnn Lewis | Seasons 1-5 (LOW) | Captain | USSCerritos | Commanding officer | Human |
| Elim Garak | Andrew Robinson | Seasons 1–7(DS9) | Civilian | Deep Space 9 resident | Tailor | Cardassian |
| Garrison | Adam Roarke | "The Cage" | Chief petty officer | USSEnterprise | Communications officer | Human |
| Philippa Georgiou | Michelle Yeoh | Seasons 1-3(DSC) Season 1 (S31) | Captain (S1) | NCIA-93 (S2) Section 31 (S1-3) USSShenzhou (S1) | Intelligence operative (S1-3) Emperor,Mirror Universe (S1) Commanding officer (S1) | Human |
| Sonya Gomez | Lycia Naff | Season 2(TNG) Season 2(LOW) | Ensign | USSEnterprise-D | Engineering officer | Human |
| Gowron | Robert O'Reilly | Seasons 4–6(TNG) Seasons 3–7(DS9) | Chancellor | Klingon High Council | Chancellor ofKlingon Empire | Klingon |
| Amanda Grayson | Jane Wyatt | Season 2(TOS) Movies(TVH, TFF) | Civilian | Vulcan resident | Teacher | Human |
| Majel Barrett | Seasons 1(TAS) | |||||
| Winona Ryder | ST09 | |||||
| Mia Kirshner | Season 1(DSC) Season 2(SNW) | |||||
| Guinan | Whoopi Goldberg | Seasons 2–6(TNG) Movies(GEN, NEM) Season 2(PIC) | Civilian | USSEnterprise-D | Bartender | El-Aurian |
| Gwyndala "Gwyn" | Ella Purnell | Seasons 1-2 (PRO) | Civilian | USSProtostar NX-76884 | Captain (S2) Communications officer (S1) | Vau N'Akat |
| J. Hayes | Steven Culp | Season 3(ENT) | Major | Enterprise NX-01 | MACO officer | Human |
| Hemmer | Bruce Horak | Season 1(SNW) | Lieutenant | Enterprise NCC-1701 | Chief Engineer | Aenar |
| Erika Hernandez | Ada Maris | Season 4(ENT) | Captain | Columbia NX-02 | Commanding officer | Human |
| Hogan | Simon Billig | Seasons 2–3(VOY) | Ensign(provisional) | USSVoyager | Engineering officer Maquis(previous) | Human |
| Mr. Homn | Carel Struycken | Seasons 1–5(TNG) | Civilian | Betazed resident | Servant | Unknown |
| Hugh | Jonathan Del Arco | Seasons 5–7(TNG) Season 1(PIC) | None | Romulan reclamation site | Borg drone(TNG) Director of Romulan reclamation site(PIC) | Borg(TNG) Human/xB(PIC) |
| Icheb | Manu Intiraymi | Seasons 6–7(VOY) | Civilian(VOY) | USSVoyager resident(VOY) | Astrometrics(VOY) | Borg(VOY S6) Brunali/xB (VOY S6-7, PIC) |
| Casey King | Season 1(PIC) | Lieutenant(PIC) | USSColeman(PIC) | Command officer(PIC) | ||
| Ilthuran/The Diviner | John Noble | Seasons 1-2 (PRO) | Civilian | Solum Tars Lamora | Astronomer Prison colony tyrant | Vau N’Akat |
| Ishka | Cecily Adams | Seasons 3, 5–7(DS9) | Civilian | Ferenginar resident | Philanthropist | Ferengi |
| Andrea Martin | ||||||
| Kathryn Janeway | Kate Mulgrew | Seasons 1–7(VOY) Movies(NEM) Seasons 1-2 (PRO) | Vice Admiral(NEM) Captain(VOY) | Starfleet Command(NEM) USS Dauntless (PRO) USSVoyager(VOY) | Starfleet Admiral(NEM) Commanding officer(VOY) | Human |
| Jannar | Rick Worthy | Season 3(ENT) | Civilian | Xindi Council | Scientist | Xindi-Arboreal |
| Michael Jonas | Raphael Sbarge | Season 2(VOY) | Crewman(provisional) | USSVoyager | Engineering officer Maquis(previous) | Human |
| Agnes Jurati | Alison Pill | Seasons 1-2(PIC) | Civilian | Daystrom Institute | Cyberneticist | Human |
| K'Ehleyr | Suzie Plakson | Seasons 2, 4(TNG) | Ambassador | Earth resident | Federation Ambassador | Klingon/Human |
| Kes | Jennifer Lien | Seasons 1–4, 6(VOY) | Civilian | USSVoyager | Medic Aeroponics | Ocampa |
| Harry Kim | Garrett Wang | Seasons 1–7(VOY) | Ensign | USSVoyager | Chief operations officer | Human |
| Kira Nerys | Nana Visitor | Seasons 1–7(DS9) | Colonel(S7) Commander(S7) Major(S1-6) | Deep Space 9 | Commanding officer(S7) First officer(S1-7) | Bajoran |
| George Kirk | Chris Hemsworth | ST09 | Captain | USSKelvin (ST09) | Commanding officer | Human |
| George Samuel "Sam" Kirk Jr. | William Shatner | Season 1(TOS)(Operation -- Annihilate!) Seasons 1–3(SNW) | Lieutenant, JG | Deneva, USSEnterprise | Xenoanthropologist, research biologist | Human |
| Dan Jeannotte | ||||||
| James T. Kirk | William Shatner | Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, WOK, SFS, TVH, TFF, TUC, GEN, ST09, STID, STB) Season 5(DS9) Seasons 1-3(SNW) | Captain(TOS, TAS, TFF, TUC, GEN, STID, STB) Rear Admiral(TMP, WOK, SFS, TVH) Cadet(ST09)Lieutenant(SNW) | USSEnterprise-A(TVH, TFF, TUC) USSEnterprise(TOS, TAS, TMP, WOK, SFS, ST09, STID, STB, SNW) USSFarragut(SNW) | Commanding officer(TOS, TAS, TMP, WOK, SFS, TVH, TFF, TUC, STID, STB) First officer(ST09, SNW) | Human |
| Chris Pine | ||||||
| Paul Wesley | ||||||
| Kol | Kenneth Mitchell | Season 1(DSC) | General,Klingon Empire | Klingon High Council | Council Member | Klingon |
| Kor | John Colicos | Season 1(TOS) Season 1(TAS) Seasons 2, 4, 7(DS9) | Dahar Master(DS9) Commander,Klingon Empire(TOS, TAS) | Klingon Defense Force(DS9) IKSKlothos(TOS, TAS) | Defence officer(DS9) Commanding officer(TOS, TAS) | Klingon |
| Kurn | Tony Todd | Seasons 3–5(TNG) Season 4(DS9) | Crewman,Bajoran Militia(DS9) Captain,Klingon Empire(TNG) | Deep Space 9(DS9) IKSHegh'ta(TNG) | Security officer(DS9) Commanding officer(TNG) | Klingon |
| Alandra La Forge | Mica Burton | Season 3(PIC) | Ensign | Fleet Museum | Engineer | Human |
| Geordi La Forge | LeVar Burton | Seasons 1–7(TNG) Movies(GEN, FCT, INS, NEM) Season 5(VOY) Season 3 (PIC) | Commodore (S3, PIC) Lt. Commander(S3-7, movies) Lieutenant(S2) Lieutenant, JG(S1) | Federation Fleet Museum(S3, PIC) USSEnterprise-E(FCT, INS, NEM) USSEnterprise-D(S1-7, GEN) | Curator(S3, PIC) Chief engineer(S2-7, movies) Helmsman(S1) | Human |
| Sidney La Forge | Ashlei Sharpe Chestnut | Season 3(PIC) | Lieutenant, JG Ensign | Enterprise NCC-1701-G USSTitan (NCC-80102-A) | Helmsman | Human |
| Laris | Orla Brady | Seasons 1-2(PIC) | Civilian | Earth resident | Vineyard Manager | Romulan |
| Leeta | Chase Masterson | Seasons 3–7(DS9) | Civilian | Deep Space 9 resident | Dabo Girl | Bajoran |
| Leland | Alan van Sprang | Season 2(DSC) | Captain | NCIA-93 Section 31 | Commanding officer Intelligence Operative | Human |
| Li Nalas | Richard Beymer | Season 2(DS9) | Navarch | Deep Space 9 | Liaison officer | Bajoran |
| Linus | David Benjamin Tomlinson | Seasons 2–3(DSC) | Lieutenant, JG | USSDiscovery | Science officer | Saurian |
| Gabriel Lorca | Jason Isaacs | Season 1(DSC) | Captain | USSDiscovery | Commanding officer | Human |
| Lore | Brent Spiner | Season 3 (PIC) Seasons 1, 4, 6–7(TNG) | Civilian | Android | ||
| L'Rell | Mary Chieffo | Seasons 1–2(DSC) | Chancellor | Klingon High Council | Chancellor ofKlingon Empire | Klingon |
| Lursa | Barbara March | Seasons 4–5, 7(TNG) Movies(GEN) Season 1(DS9) | Captain,Klingon Empire | Bird of Prey | Commanding officer | Klingon |
| Ma’ah | Jon Curry | Seasons 2, 4-5 (LOW) | Captain Helm officer | Bloodwine delivery ship IKFChe'Ta | Captain Helm officer | Klingon |
| Maihar'du | Tiny Ron Taylor | Seasons 1–3, 5–7(DS9) | Civilian | Ferenginar resident | Attendant toGrand Nagus | Hupyrian |
| Maj'el | Michaela Dietz | Season 2 (PRO) | Ensign | Command division officer, USS Prodigy Starfleet Academy fourth year cadet, USS Voyager | Vulcan | |
| Mallora | Tucker Smallwood | Season 3(ENT) | Civilian | Xindi Council | Chairman | Xindi-Primate |
| Carol Marcus | Bibi Besch | Movies(WOK, SFS, STID) | Civilian(WOK, SFS) Lieutenant(STID) | Project Genesis(WOK, SFS) USSEnterprise(STID) | Biologist | Human |
| Alice Eve | ||||||
| Beckett Mariner | Tawny Newsome | Seasons 1-5(LOW) Season 2 (SNW) (Those Old Scientists) | Ensign (Seasons 1-3) Lieutenant, JG(Season 4) | USSCerritos | Human | |
| Martok | J. G. Hertzler | Seasons 4–7(DS9) | Chancellor(S7) General,Klingon Empire(S4-7) | Deep Space 9 IKSRotarran | Chancellor ofKlingon Empire(S7) Commander of Klingon Forces(S4-7) | Klingon |
| Travis Mayweather | Anthony Montgomery | Seasons 1–4(ENT) | Ensign | Enterprise NX-01 | Helmsman | Human |
| Joseph M'Benga | Booker Bradshaw | Seasons 2-3(TOS)
| Commander | USSEnterprise | Doctor Chief medical officer, | Human |
| Babs Olusanmokun | ||||||
| Rukiya M'Benga | Sage Arrindell | Season 1(SNW) | Civilian | USSEnterprise | Civilian | Human |
| Mukambe Simamba | ||||||
| Leonard McCoy | DeForest Kelley | Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 1(TNG) Season 5(DS9) | Admiral(TNG) Commander(TMP, WOK, SFS, TVH, TFF, TUC) Lt. Commander(TOS, TAS, ST09, STID, STB) | USSEnterprise-A(TVH, TFF, TUC) USSEnterprise(TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) | Chief medical officer | Human |
| Karl Urban | ||||||
| Mezoti | Marley S. McClean | Seasons 6–7(VOY) | Civilian | USSVoyager Passenger | Norcadian | |
| Migleemo | Paul F. Tompkins | Seasons 1-4 (LOW) | Commander? | USSCerritos | Ship's Counselor | Klowahkan |
| Mila | Julianna McCarthy | Seasons 3,7(DS9) | Civilian | Cardassia resident | Housekeeper | Cardassian |
| Jenna Mitchell | Rong Fu | Seasons 1-3,(SNW) | Lieutenant | USSEnterprise | Operations officer | Human |
| Mora Pol | James Sloyan | Seasons 2,5(DS9) | Civilian | Bajor resident | Scientist | Bajoran |
| Morn | Mark Allen Shepherd | Seasons 1–7(DS9) Season 1(VOY) | Civilian | Deep Space 9 resident | Courier | Lurian |
| Mot | Ken Thorley | Seasons 5–6(TNG) | Civilian | USSEnterprise-D | Barber | Bolian |
| Harry Mudd | Roger C. Carmel | Seasons 1–2(TOS) Season 1(TAS) Season 1(DSC) Season 1(ST) | Civilian | Smuggler | Human | |
| Rainn Wilson | ||||||
| Matthew Arliss Mura | Joseph Lee | Season 3 (PIC) | Lieutenant | USS Enterprise NCC-1701-G(PIC S3) USSTitan (NCC-80102-A) (PIC S3) | Tactical officer | Bajoran |
| Murf | Dee Bradley Baker | Season 1 (PRO) | Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1) | USSProtostar NX-76884 | Civilian/Security officer | Mellanoid slime worm |
| Raffi Musiker | Michelle Hurd | Seasons 1-3(PIC) | Commander(S2) Civilian(S1) | Enterprise NCC-1701-G (S3) Starfleet Intelligence(S3) USSExcelsior(S2) | First officer Undercover intelligence agent Chief operations officer(S2) | Human |
| Narek | Harry Treadaway | Season 1(PIC) | Zhat Vash Operative | Romulan | ||
| Naya | Victoria Sawal | Season 5(DSC) | Lieutenant | USSDiscovery NCC 1031-A (DSC S5) | Operations officer | Human |
| Alynna Nechayev | Natalia Nogulich | Seasons 6–7(TNG) Seasons 2–3(DS9) | Fleet Admiral | Starfleet Command | Admiral ofStarfleet | Human |
| Neelix | Ethan Phillips | Seasons 1–7(VOY) | Ambassador(S7) Civilian(S1-7) | Talaxian Asteroid Colony(S7) USSVoyager(S1-7) | Federation Ambassador(S7) Chef(S1-7) | Talaxian |
| Nhan | Rachael Ancheril | Seasons 2-3(DSC) | Commander | USSDiscovery(S2-3) USSEnterprise(S2) | Chief security officer | Barzan |
| Susan Nicoletti | Christine Delgado | Seasons 1–4,7(VOY) | Lieutenant, JG | USSVoyager | Engineering officer | Human |
| Eva Nilsson | Sara Mitich | Seasons 2-4(DSC) | Lieutenant | USSVoyager NCC 74656 (DSC S5) USSDiscovery | Operations officer | Human |
| Nog | Aron Eisenberg | Seasons 1–7(DS9) | Lieutenant, JG(S7) Ensign(S6-7) Cadet(S4-5) Civilian(S1-4) | Deep Space 9 Starfleet Academy(S4-5) | Operations officer(S6-7) Starfleet cadet(S4-5) Bar employee(S1-4) Student(S1-4) | Ferengi |
| Khan Noonien Singh | Ricardo Montalbán | Season 1(TOS) Movies(WOK, STID) (SNW S2)) (Tomorrow and Tomorrow and Tomorrow) | Civilian | SS Botany Bay(TOS) | Superhuman | Human Augment |
| Benedict Cumberbatch | ||||||
| Desmond Sivan (as a child) | ||||||
| La'an Noonien-Singh | Christina Chong (primary) Ava Cheung (as a child) | Seasons 1-3 (SNW) | Lieutenant | USSEnterprise | Chief security officer | Human |
| Noum | Jason Alexander | Seasons 1-2 (PRO) | Lietenant | USSVoyager-A USSDauntless | Ship’s counselor Chief medical officer | Tellarite |
| Kashimuro Nozawa | John Tampoya | Seasons 1–4,7(VOY) | Ensign | USSVoyager | Operations officer | Human |
| Keiko O'Brien | Rosalind Chao | Seasons 4–6(TNG) Seasons 1–7(DS9) | Civilian | Deep Space 9(DS9) USSEnterprise-D(TNG) | Teacher/Botanist(DS9) Botanist(TNG) | Human |
| Miles O'Brien | Colm Meaney | Seasons 1–7(TNG) Seasons 1–7(DS9) | Chief petty officer | Starfleet Academy(DS9 S7) Deep Space 9(DS9 S1-7) USSEnterprise-D(TNG S1-6) | Academy professor(DS9 S7) Chief of operations(DS9 S1-7) Transporter chief(TNG S2-6) Helmsman(TNG S1) | Human |
| Molly O'Brien | Hana Hatae | Seasons 1–7(DS9) | Civilian | Deep Space 9 resident | Student | Human |
| Odo | René Auberjonois | Seasons 1–7(DS9) | Constable(unofficial) | Deep Space 9 | Chief of security | Changeling |
| Alyssa Ogawa | Patti Yasutake | Seasons 3–7(TNG) Movies(GEN, FCT) | Lieutenant, JG(S7, movies) Ensign(S3-7) | USSEnterprise-E(FCT) USSEnterprise-D(S3-7, GEN) | Nurse | Human |
| Oh | Tamlyn Tomita | Season 1(PIC) | Commodore | Starfleet Command | Head of Starfleet Security | Vulcan |
| Opaka Sulan | Camille Saviola | Seasons 1–2,4(DS9) | Kai | Bajor resident | Bajoran religious leader(S1) | Bajoran |
| Erica Ortegas | Melissa Navia | Seasons 1-3 (SNW) | Lieutenant | USSEnterprise | Helm officer | Human |
| Humberto “Beto” Ortegas | Mynor Pelaez Lüken | Season 3 (SNW) | Civilian | Documentary filmmaker | Human | |
| Joann Owosekun | Oyin Oladejo | Seasons 1–5(DSC) | Lieutenant, JG | USSDiscovery | Operations officer | Human |
| Owen Paris | Warren Munson Richard Herd | Seasons 2,5–7(VOY) | Admiral | Starfleet Command | Pathfinder Project | Human |
| Tom Paris | Robert Duncan McNeill | Seasons 1–7(VOY) Season 1(LOW) | Lieutenant (LOW S1) Lieutenant, JG(S1-7) Ensign(S5-6) | USSVoyager | Helmsman | Human |
| Pelia | Carol Kane | Seasons 2-3 (SNW) | Commander | USSEnterprise | Chief engineer | Lanthanite |
| Phlox | John Billingsley | Seasons 1–4(ENT) | Civilian | Enterprise NX-01 | Chief medical officer | Denobulan |
| Jean-Luc Picard | Patrick Stewart | Seasons 1–7(TNG) Movies(GEN, FCT, INS, NEM) Season 1(DS9) Seasons 1-3(PIC) | Admiral(PIC) Captain(TNG, movies) | Earth resident(PIC) USSEnterprise-E(FCT, INS, NEM) USSEnterprise-D(TNG S1-7, GEN) | Commanding officer(TNG, movies) | Human |
| Renée Picard | Penelope Mitchell | Season 2(PIC) | Civilian | Europa Mission | NASAAstronaut | Human |
| Christopher Pike | Jeffrey Hunter | "The Cage" Season 1 (TOS) | Admiral(STID) Captain(TC, TOS, ST09, DSC) | Starfleet Command(STID) USSEnterprise(TC, ST09, DSC) | Starfleet Admiral(STID) Commanding officer(TC, ST09, DSC) | Human |
| Bruce Greenwood | ST09, STID | |||||
| Anson Mount | Seasons 1-3(SNW) Season 2(DSC) | |||||
| Jankom Pog | Jason Mantzoukas | Seasons 1-2 (PRO) | Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1) | USSProtostar NX-76884 | Engineer | Tellarite |
| Tracy Pollard | Raven Dauda | Seasons 1–5(DSC) | Lieutenant, JG | USSDiscovery | Medical officer | Human |
| Katherine Pulaski | Diana Muldaur | Season 2(TNG) | Commander | USSEnterprise-D | Chief medical officer | Human |
| Q | John de Lancie | Seasons 1–4, 6–7(TNG) Season 1(DS9) Seasons 2–3, 7(VOY) Season 1(LOW) Season 2(PIC) | None | Q Continuum resident | Q Continuum | Q |
| Quark | Armin Shimerman | Season 7(TNG) Seasons 1–7(DS9) Season 1(VOY) | Civilian | Deep Space 9 resident | Bar Owner | Ferengi |
| Teresa Ramirez | Sol Rodriguez | (PIC S2) | Civilian | Earth resident | Medical doctor associated with the humanitarian organizationMariposas | Human |
| Ricardo Ramirez | Steve Gutierrez | (PIC S2) | Civilian | Earth resident | Student | Human |
| Janice Rand | Grace Lee Whitney | Season 1(TOS) Movies(TMP, TVH, TUC) Season 3(VOY) | Commander(TUC) Chief petty officer(TVH) Crewman(TMP) Yeoman(TOS) | USSExcelsior(TUC) Starfleet Command(TVH) USSEnterprise(TOS, TMP) | First officer(TUC) Starfleet Command officer(TVH) Transporter chief(TMP) Yeoman(TOS) | Human |
| Jack Ransom | Jerry O'Connell | Seasons 1-5 (LOW) | Commander | USSCerritos | First officer | Human |
| Rayner | Callum Keith Rennie | Season 5 (DSC) | Commander Captain | USSDiscovery NCC-1031-A USSAntares | First officer Commanding officer | Kellerun |
| Rebi | Cody Wetherill | Seasons 6–7(VOY) | Civilian | USSVoyager Passenger | Wysanti/xB | |
| Malcolm Reed | Dominic Keating | Seasons 1–4(ENT) | Lieutenant | Enterprise NX-01 | Tactical officer | Human |
| Dal R'El | Brett Gray | Seasons 1-2 (PRO) | Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1) | USSProtostar NX-76884) | Acting first officer (S2) Captain (S1) | Augment (Artificially created hybrid of many species) |
| Jet Reno | Tig Notaro | Seasons 2-5(DSC) | Lt. Commander | USSDiscovery(S2-3) USSHiawatha(S2) | Chief Engineer | Human |
| Gen Rhys | Patrick Kwok-Choon | Seasons 1-5(DSC) | Lieutenant | USSDiscovery | Tactical officer | Human |
| William Riker | Jonathan Frakes | Seasons 1–7(TNG) Movies(GEN, FCT, INS, NEM) Season 2(VOY) Season 4(ENT) Seasons 1,3(PIC) Season 1(LOW) | Captain pro tem (PIC S3) Captain(NEM,PIC,LOW) Commander(TNG S1-7, movies) |
| Commanding officer(NEM,PIC S1,LOW S1) First officer(TNG S1-7, movies) | Human |
| Laira Rillak | Chelah Horsdal | Seasons 4-5(DSC) | Civilian | None | President of the United Federation of Planets | Human/Bajoran/Cardassian |
| Cristóbal "Chris" Rios | Santiago Cabrera | Seasons 1-2(PIC) | Captain(S2) Civilian(S1) | USS Stargazer(S2) La Sirena(S1) | Commanding officer(S2) Civilian Starship Captain(S1) | Human |
| Narissa Rizzo | Peyton List | Season 1(PIC) | Colonel | Zhat Vash Operative | Romulan | |
| Ro Laren | Michelle Forbes | Seasons 5–7(TNG) Season 3(PIC) | Commander(PIC) Lieutenant(S7) Ensign(S5-6) | USSEnterprise-D | Starfleet Intelligence operative(PIC) Maquis(S7) Helmsman(S5-7) | Bajoran |
| Rok-Takh | Rylee Alazraqui | Seasons 1-2 (PRO) | Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1) | USSProtostar NX-76884 | Science officer | Brikar |
| Rom | Max Grodénchik | Seasons 1–7(DS9) | Grand Nagus(S7) Crewman(S4-7) Civilian(S1-4) | Deep Space 9 | Grand Nagus(S7) Maintenance Engineer(S4-7) Bar employee(1–4) | Ferengi |
| William Ross | Barry Jenner | Seasons 6–7(DS9) | Vice Admiral | Deep Space 9 | Military commander | Human |
| Michael Rostov | Joseph Will | Seasons 1–2(ENT) | Crewman | Enterprise NX-01 | Engineering officer | Human |
| Alexander Rozhenko | Jon Paul Steuer | Seasons 4–7(TNG) Season 6(DS9) | Crewman,Klingon Empire(DS9) Civilian(TNG) | IKSRotarran(DS9) | Weapons officer(DS9) | Klingon/Human |
| Brian Bonsall | ||||||
| Marc Worden | ||||||
| Samanthan "Sam" Rutherford | Eugene Cordero | Seasons 1-5 (LOW) | Lieutenant, JG | Ensign | USSCerritos | Science officer | Human, cybernetically enhanced |
| Saavik | Kirstie Alley | Movies(WOK, SFS, TVH) | Lieutenant, JG | USSGrissom(SFS, TVH) USSEnterprise(WOK) | Science officer(SFS, TVH) Navigator(WOK) | Vulcan/Romulan |
| Robin Curtis | ||||||
| Sarek | Mark Lenard | Season 2(TOS) Seasons 1(TAS) Movies(TMP, SFS, TVH, TUC, ST09) Seasons 3, 5(TNG) Seasons 1–2(DSC) | Ambassador | Vulcan resident | Federation Ambassador | Vulcan |
| Ben Cross | ||||||
| James Frain | ||||||
| Saru | Doug Jones | Seasons 1–5(DSC) Season 1(ST) | Commander Captain Federation Ambassador | Federation Headquarters(DSC S5)USSDiscovery(S1-3) USSShenzhou(S1) | Federation Ambassador (DSC S5) First officer (S4-5) Captain(S3) First officer(S1-2) Science officer(S1) | Kelpien |
| Hoshi Sato | Linda Park | Seasons 1–4(ENT) | Ensign | Enterprise NX-01 | Communications officer | Human |
| Montgomery Scott | James Doohan | Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, WOK, SFS, TVH, TFF, TUC, GEN, ST09, STID, STB) Season 6(TNG) Season 5(DS9) Seasons 2-3 (SNW) | Captain(SFS, TVH, TFF, TUC, GEN, TNG) Commander(TMP, WOK) Lt. Commander(TOS, TAS, ST09, STID, STB) Lieutenant, Junior Grade (SNW S2) | USSEnterprise-A(TVH, TFF, TUC) USSEnterprise(TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) USSStardiver | Chief Engineer | Human |
| Simon Pegg | ||||||
| Martin Quinn | ||||||
| Sela | Denise Crosby | Seasons 4–5(TNG) | Commander,Romulan Empire | Unknown | Romulan officer | Romulan/Human |
| Seska | Martha Hackett | Seasons 1–3,7(VOY) | None(S1-3) Ensign(provisional)(S1) | Kazon-Nistrim(S1-3) USSVoyager(S1) | Kazon Affiliate(S1-3) Engineering officer(S1) Science officer(S1) Maquis Infiltrator(previous) | Cardassian |
| Seven of Nine | Jeri Ryan | Seasons 1-3(PIC) Seasons 4–7(VOY) | Captain (PIC S3)Commander (PIC S3) Civilian(PIC S1-2) (VOY S4-7) | Enterprise NCC-1701-G(PIC S3) USSTitan (NCC-80102-A) (PIC S3) La Sirena(PIC S2) USSVoyager(VOY S4-7) | Captain (PIC S3) First officer (PIC S3) Vigilante(PIC S1-2) Astrometrics(VOY S4-7)| | Human/xB |
| Shakaar Edon | Duncan Regehr | Seasons 3–5(DS9) | First Minister | Bajor resident | First Minister ofBajor | Bajoran |
| Liam Shaw | Todd Stashwick | Season 3 (PIC) | Captain | USSTitan (NCC-80102-A) (PIC S3) | Commanding officer | Human |
| Shaxs | Fred Tatasciore | Seasons 1-4 (LOW) | Lieutenant | USSCerritos | Chief security officer | Bajoran |
| Thy'lek Shran | Jeffrey Combs | Seasons 1–4(ENT) | General | Kumari | Andorian Imperial Guard | Andorian |
| Jennifer Sh'reyan | Lauren Lapkus | Seasons 1-4 (LOW) | Ensign | USSCerritos | Counselor | Andorian |
| Silik | John Fleck | Seasons 1–4(ENT) | Senior official | Suliban Cabal | Terrorist | Suliban |
| Benjamin Sisko | Avery Brooks | Seasons 1–7(DS9) | Captain(S3-7) Commander(S1-3) | Deep Space 9 | Commanding officer | Human |
| Jake Sisko | Cirroc Lofton | Seasons 1–7(DS9) | Civilian | Deep Space 9 resident | Journalist(S5-7) Student(S1-5) | Human |
| Jennifer Sisko | Felecia M. Bell | Seasons 1,3–4(DS9) | Lieutenant(S1) | USSSaratoga(S1) | Starfleet officer(S1) | Human |
| Joseph Sisko | Brock Peters | Seasons 4,6–7(DS9) | Civilian | Earth resident | Restaurant Owner | Human |
| Sarah Sisko | Deborah Lacey | Season 7(DS9) | Civilian | Earth resident | Holophotographer | Human |
| Luther Sloan | William Sadler | Seasons 6–7(DS9) | None | Section 31 | Intelligence Operative | Human |
| Kore Soong | Isa Briones | Season 2(PIC) | Civilian | Resident of Earth | Traveler | Human |
| Soval | Gary Graham | Seasons 1–4(ENT) | Ambassador | Earth | Vulcan Ambassador to Earth | Vulcan |
| Spock | Leonard Nimoy | "The Cage" Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 5(TNG) Season 5(DS9) Season 2(DSC) Season 1 (SNW) | Ambassador(TNG, ST09, STID) Captain(WOK, SFS, TVH) Commander(TC, TOS, TAS, TMP, ST09, STID, STB, DSC) | New Vulcan resident(STID) USSEnterprise-A(TVH, TFF, TUC) USSEnterprise(TC, TOS, TAS, TMP, ST09, STID, STB, DSC) Instructor(ST09) | Federation Ambassador(TNG, ST09, STID) First officer(TC, TOS, TAS, movies) Science officer(TC, TOS, TAS, ST09, STID, STB, DSC) | Vulcan/Human |
| Zachary Quinto | ||||||
| Ethan Peck | ||||||
| Paul Stamets | Anthony Rapp | Season 1-5(DSC) | Commander Lt. Commander(S2) Lieutenant(S1) | USSDiscovery | Science officer | Human |
| Lon Suder | Brad Dourif | Seasons 2–3(VOY) | Crewman(provisional) | USSVoyager | Engineering officer Maquis(previous) | Betazoid |
| Hikaru Sulu | George Takei | Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 3(VOY) | Captain(TUC) Commander(WOK, SFS, TVH, TFF) Lt. Commander(TMP) Lieutenant(TOS, TAS, ST09, STID, STB) | USSExcelsior(TUC) USSEnterprise-A(TVH, TFF, TUC) USSEnterprise(TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) | Commanding officer(TUC) Helmsman(TOS, TAS, TMP, WOK, SFS, TVH, TFF, ST09, STID, STB) | Human |
| John Cho | ||||||
| Enabran Tain | Paul Dooley | Seasons 2–3,5(DS9) | None | Cardassia resident | Leader ofObsidian Order | Cardassian |
| Adira Tal | Blu del Barrio | Seasons 3-5(DSC) | Ensign | USSDiscovery (S3-5) | Science officer (DSC S3-5) | Human |
| Gray Tal | Ian Alexander | Seasons 3-5(DSC) | Civilian | Trill(DSC S4-5) USSDiscovery (S3-4) | Guardian (DSC S5) Civilian (DSC S3-4) | Trill |
| T'Ana | Gillian Vigman | Seasons 1-5 (LOW) | Commander | USSCerritos | Chief medical officer | Caitian |
| D'Erika Tendi | Ariel Winter | Seasons 4-5(LOW) | Civilian | Orion | Head of House Tendi | Orion |
| D'Vana Tendi | Noël Wells | Seasons 1-5 (LOW) | Lieutenant, JG | Ensign | USSCerritos | Science officer | Orion |
| Sylvia Tilly | Mary Wiseman | Season 1–5(DSC) Season 1(ST) | Lieutenant, JG (S3-5) Ensign(S2) Cadet(S1) | Starfleet Academy(S4-5) USSDiscovery (S1-4) | Instructor (S4-5) Acting first officer (S3) Engineering officer(S2) Starfleet cadet(S1) | Human |
| T'Lyn | Danielle Ruiz | Seasons 2-5 (LOW) | Lieutenant, JG | USSCerritos VCFSh'vhal | Science officer | Vulcan |
| Tomalak | Andreas Katsulas | Seasons 3–4,7(TNG) | Commander,Romulan Empire | IRWTerix | Commanding officer | Romulan |
| Tora Ziyal | Melanie Smith | Seasons 4–6(DS9) | Civilian | Deep Space 9 resident | Artist | Bajoran/Cardassian |
| Cyia Batten | ||||||
| B'Elanna Torres | Roxann Dawson | Seasons 1–7(VOY) | Lieutenant, JG(provisional) | USSVoyager | Chief Engineer(S1-7) Maquis(S1) | Klingon/Human |
| T'Pau | Celia Lovsky | Season 2 (TOS) (Amok Time) (ENT S4) | Civilian | None | Civilian | Vulcan |
| Kara Zediker | ||||||
| T'Pol | Jolene Blalock | Seasons 1–4(ENT) | Commander(S4) SubCommander(S1-4) | Enterprise NX-01 | First officer Science officer | Vulcan |
| T'Pring | Arlene Martel | Season 2 (TOS) (Amok Time) (SNW S1-2) | Civilian | None | Civilian | Vulcan |
| Gia Sandhu | ||||||
| The Traveler | Eric Menyuk | Seasons 1,4,7(TNG) | Civilian | Tau Alpha C resident | Unknown | |
| T'Rina | Tara Rosling | Seasons 3-5(DSC) | Civilian | Ni'Var | President of Ni'Var | Vulcan |
| Deanna Troi | Marina Sirtis | Seasons 1–7(TNG) Movies(GEN, FCT, INS, NEM) Seasons 6–7(VOY) Season 4(ENT) Seasons 1,3(PIC) Season 1(LOW) | Commander(TNG S7, VOY, movies) Lt. Commander(TNG S1-7) | USSTitan(NEM) USSEnterprise-E(FCT, INS, NEM) USSEnterprise-D(TNG S1-7, GEN) | Diplomatic officer(NEM) Counselor(TNG S1-7, movies) | Betazoid/Human |
| Lwaxana Troi | Majel Barrett | Seasons 1–5,7(TNG) Seasons 1,3–4(DS9) | Ambassador | Betazed resident | Federation Ambassador | Betazoid |
| Kestra Troi-Riker | Lulu Wilson | Season 1(PIC S1)Nepenthe | Civilian | Nepenthe resident | Student | Human/Betazoid |
| Trip Tucker | Connor Trinneer | Seasons 1–4(ENT) | Commander | Enterprise NX-01 | Chief Engineer | Human |
| Tuvok | Tim Russ | Seasons 1–7(VOY) Season 3(LD)(Grounded) Season 3(PIC) | Captain (PIC S3) Commander (LD S3) Lt. Commander(S4-7) Lieutenant(S1-4) | Starfleet Command (PIC S3) USSVoyager(VOY S1-7) | Chief of Security | Vulcan |
| Ash Tyler/ | Shazad Latif | Seasons 1–2(DSC) | Lieutenant(S1) | USSDiscovery | Chief security officer(S1) | Human/Klingon |
| T'Veen | Stephanie Czajkowski | Season 3 (PIC) | Lieutenant | USSTitan (NCC-80102-A) (PIC S3) | Science officer | Vulcan/Deltan |
| José Tyler | Peter Duryea | "The Cage" | Lieutenant | USSEnterprise | Helmsman | Human |
| Tysess | Daveed Diggs | Seasons 1-2 (PRO) | Commander | USSVoyager-A USSDauntless | Executive officer | Andorian |
| Nyota Uhura | Nichelle Nichols | Seasons 1–3(TOS) Seasons 1–2(TAS) Movies(TMP, WOK, SFS, TVH, TFF, TUC) Season 5(DS9) | Commander(WOK, SFS, TVH, TFF, TUC) Lt. Commander(TMP) Lieutenant(TOS, TAS, ST09, STID, STB) | USSEnterprise-A(TVH, TFF, TUC) USSEnterprise(TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) | Communications officer | Human |
| Zoe Saldana | ST09, STID, STB | |||||
| Celia Rose Gooding | SNW Seasons 1-3 | |||||
| Charles Vance | Oded Fehr | Seasons 3-5(DSC) | Fleet Admiral (PIC S3-5) | Starfleet Command | Commander-in-chief of Starfleet (DSC S3-5) | Human |
| Vash | Jennifer Hetrick | Seasons 3–4(TNG) Season 1(DS9) | Civilian | Earth resident | Archeologist | Human |
| Vorik | Alexander Enberg | Seasons 3–5, 7(VOY) | Ensign | USSVoyager | Engineering officer | Vulcan |
| Weyoun | Jeffrey Combs | Seasons 4–7(DS9) | None | Cardassia Prime | Dominion Leader | Vorta |
| Naomi Wildman | Scarlett Pomers | Seasons 2–7(VOY) | Civilian | USSVoyager resident | Captain's Assistant(unofficial) | Ktarian/Human |
| Samantha Wildman | Nancy Hower | Seasons 2–6(VOY) | Ensign | USSVoyager | Science officer | Human |
| Winn Adami | Louise Fletcher | Seasons 1–3, 5–7(DS9) | Kai(S3-7) Vedek(S1-2) | Bajor resident | Bajoran religious leader | Bajoran |
| Worf | Michael Dorn | Seasons 1–7(TNG) Movies(GEN, FCT, INS, NEM) Seasons 4–7(DS9) Season 3(PIC) | Lt. Commander(DS9, movies) Ambassador(DS9 S7) Lieutenant(TNG S3-7) Lieutenant, JG(TNG S1-2) | Starfleet Intelligence (PIC S3) USSEnterprise-E(NEM) Qo'noS(DS9 S7) Deep Space 9(DS9 S4-7) USSEnterprise-D(S1-7, GEN) | Intelligence operative (PIC S3) Strategic operations officer(DS9 S4-7, movies) Ambassador(DS9 S7) Chief security officer(TNG S2-7) Helmsman(TNG S1) | Klingon |
| Tasha Yar | Denise Crosby | Seasons 1,3,7(TNG) | Lieutenant | USSEnterprise-D | Chief security officer | Human |
| Kasidy Yates | Penny Johnson Jerald | Seasons 3–7(DS9) | Captain | SSXhosa Deep Space 9 resident | Freighter Captain | Human |
| Zek | Wallace Shawn | Seasons 1–3,5–7(DS9) | Grand Nagus | Ferenginar resident | Leader of Ferengi economics | Ferengi |
| Zero | Angus Imrie | Seasons 1-2 (PRO) | Ensign (S2) Starfleet Academy cadet (S2) Civilian (S1) | USSProtostar NX-76884 | Science officer | Medusan |
| Zhaban | Jamie McShane | Season 1(PIC) | Civilian | Earth resident | Butler | Romulan |
| Zora | Annabelle Wallis | Seasons 3-5(DISC) Season 1(ST) | USSDiscovery | Specialist | Artificial intelligence |
| Actor | Character | Seasons | TAS | Films | Reboot | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TC | 1 | 2 | 3 | 1 | 2 | I | II | III | IV | V | VI | ST | STID | STB | ||
| Main cast | ||||||||||||||||
| Jeffrey Hunter | Christopher Pike | M | G[a] | Does not appear | Does not appear | |||||||||||
| Bruce Greenwood | Does not appear | S | Does not appear | |||||||||||||
| Majel Barrett | Number One | M | Does not appear | Does not appear | ||||||||||||
| Christine Chapel | Does not appear | G | R | Main | A | Does not appear | A | Does not appear | Does not appear | |||||||
| Leonard Nimoy | Spock | Main | S | A | Does not appear | |||||||||||
| Zachary Quinto | Does not appear | Main | ||||||||||||||
| Laurel Goodwin | J. M. Colt | M | Does not appear | Does not appear | ||||||||||||
| John Hoyt | Phillip Boyce | M | Does not appear | Does not appear | ||||||||||||
| Peter Duryea | José Tyler | M | Does not appear | Does not appear | ||||||||||||
| William Shatner | James T. Kirk | Does not appear | Main | Does not appear | ||||||||||||
| Chris Pine | Does not appear | Main | ||||||||||||||
| DeForest Kelley | Leonard McCoy | Does not appear | R | Main | Does not appear | |||||||||||
| Karl Urban | Does not appear | Main | ||||||||||||||
| James Doohan | Montgomery Scott | Does not appear | Recurring | Main | Does not appear | |||||||||||
| Simon Pegg | Does not appear | Main | ||||||||||||||
| Nichelle Nichols | Nyota Uhura | Does not appear | Recurring | Main | Does not appear | |||||||||||
| Zoe Saldana | Does not appear | Main | ||||||||||||||
| George Takei | Hikaru Sulu | Does not appear | Recurring | Main | Does not appear | |||||||||||
| John Cho | Does not appear | Main | ||||||||||||||
| Walter Koenig | Pavel Chekov | Does not appear | R | Does not appear | Main | Does not appear | ||||||||||
| Anton Yelchin | Does not appear | Main | ||||||||||||||
| Ricardo Montalbán | Khan Noonien Singh | Does not appear | G | Does not appear | M | Does not appear | Does not appear | |||||||||
| Benedict Cumberbatch | Does not appear | Does not appear | M | Does not appear | ||||||||||||
| Recurring/Guest Cast | ||||||||||||||||
| Grace Lee Whitney | Janice Rand | Does not appear | R | Does not appear | A | Does not appear | A | Does not appear | A | Does not appear | ||||||
| John Winston | Kyle | Does not appear | Recurring | [b] | Does not appear | A | Does not appear | Does not appear | ||||||||
| Jim Goodwin | John Farrell | Does not appear | G | Does not appear | Does not appear | |||||||||||
| Grant Woods | Kelowitz | Does not appear | G | Does not appear | Does not appear | |||||||||||
| Michael Barrier | Vincent DeSalle | Does not appear | G | Does not appear | Does not appear | |||||||||||
| William Blackburn | Hadley | Does not appear | Recurring | Does not appear | Does not appear | |||||||||||
| Eddie Paskey | Lesley | Does not appear | Recurring | Does not appear | Does not appear | |||||||||||
| David L. Ross | Galloway | Does not appear | R | G | Does not appear | Does not appear | ||||||||||
| Roger Holloway | Roger Lemli | Does not appear | R | Does not appear | Does not appear | |||||||||||
| Frank da Vinci | Brent | Does not appear | Recurring | Does not appear | Does not appear | |||||||||||
| Bruce Hyde | Kevin Thomas Riley | Does not appear | G | Does not appear | Does not appear | |||||||||||
| Ron Veto | Harrison | Does not appear | Recurring | Does not appear | Does not appear | |||||||||||
| Mark Lenard | Sarek | Does not appear | G | Does not appear | G | Does not appear | S | A[c] | Does not appear | |||||||
| Ben Cross | Does not appear | S | Does not appear | |||||||||||||
| Jane Wyatt | Amanda Grayson | Does not appear | G | Does not appear | [d] | Does not appear | A | Does not appear | Does not appear | |||||||
| Winona Ryder | Does not appear | S | Does not appear | |||||||||||||
| Roger C. Carmel | Harry Mudd | Does not appear | G | Does not appear | G | Does not appear | Does not appear | |||||||||
| Kirstie Alley | Saavik | Does not appear | S | Does not appear | Does not appear | |||||||||||
| Robin Curtis | Does not appear | S | Does not appear | Does not appear | ||||||||||||
| Actor | Character | Seasons | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| Main cast | ||||||
| Sonequa Martin-Green | Michael Burnham | Main | ||||
| Doug Jones | Saru | Main | Main[j] | |||
| Shazad Latif | Voq | Recurring[k] | Does not appear | |||
| Ash Tyler | Main | Does not appear | ||||
| Anthony Rapp | Paul Stamets | Main | ||||
| Mary Wiseman | Sylvia Tilly | Main | Main[j] | Main | ||
| Jason Isaacs | Gabriel Lorca | Main | Does not appear | |||
| Wilson Cruz | Hugh Culber | Recurring | Main[j] | Main | ||
| Anson Mount | Christopher Pike | Does not appear | Main | Does not appear | ||
| Rachael Ancheril | Nhan | Does not appear | Recurring | Main[j] | Guest | |
| David Ajala | Cleveland "Book" Booker | Does not appear | Main[j] | |||
| Tig Notaro | Jett Reno | Does not appear | Recurring | Main[j] | ||
| Blu del Barrio | Adira Tal | Does not appear | Recurring | Main[j] | ||
| Callum Keith Rennie | Rayner | Does not appear | Main | |||
| Recurring cast | ||||||
| Michelle Yeoh | Philippa Georgiou | Recurring[l] | Does not appear | |||
| Emily Coutts | Keyla Detmer | Recurring | ||||
| Oyin Oladejo | Joann Owosekun | Recurring | ||||
| Patrick Kwok-Choon | Gen Rhys | Recurring | ||||
| Ronnie Rowe Jr. | R.A. Bryce | Recurring | Guest | |||
| Mary Chieffo | L'Rell | Recurring | Does not appear | |||
| James Frain | Sarek | Recurring | Does not appear | |||
| Jayne Brook | Katrina Cornwell | Recurring | Does not appear | |||
| Kenneth Mitchell | Kol | Recurring | Does not appear | |||
| Kol-sha | Does not appear | Guest | Does not appear | |||
| Tenavik | Does not appear | Guest | Does not appear | |||
| Aurellio | Does not appear | Guest | Does not appear | |||
| Rainn Wilson | Harry Mudd | Guest | Does not appear | |||
| Rekha Sharma | Ellen Landry | Recurring | Does not appear | Guest | Does not appear | |
| Sara Mitich | Airiam | Recurring | Does not appear | |||
| Hannah Cheesman | Does not appear | Recurring | Guest | Does not appear | Guest | |
| Sara Mitich | Nilsson | Does not appear | Recurring | Does not appear | ||
| Mia Kirshner | Amanda Grayson | Guest | Recurring | Does not appear | ||
| Ethan Peck | Spock | Does not appear | Recurring | Archive | Does not appear | |
| Raven Dauda | Tracy Pollard | Guest | Recurring | Guest | ||
| David Benjamin Tomlinson | Linus | Does not appear | Recurring | |||
| Rebecca Romijn | Number One | Does not appear | Recurring | Does not appear | ||
| Alan van Sprang | Leland | Does not appear | Recurring | Does not appear | ||
| Sonja Sohn | Gabrielle Burnham | Does not appear | Recurring | Guest | Does not appear | |
| Oded Fehr | Charles Vance | Does not appear | Recurring | |||
| Ian Alexander | Gray Tal | Does not appear | Recurring | Guest | ||
| David Cronenberg | Kovich | Does not appear | Recurring | |||
| Annabelle Wallis(voice) | Zora | Does not appear | Recurring | |||
| Durban and Leeu | Grudge | Does not appear | Recurring | |||
| Vanessa Jackson | Audrey Willa | Does not appear | Recurring | Guest | Does not appear | |
| Noah Averbach-Katz | Ryn | Does not appear | Recurring | Does not appear | ||
| Janet Kidder | Osyraa | Does not appear | Recurring | Does not appear | ||
| Tara Rosling [de] | T'Rina | Does not appear | Guest | Recurring | ||
| Chelah Horsdal | Laira Rillak | Does not appear | Recurring | Guest | ||
| Orville Cummings | Christopher | Does not appear | Recurring | |||
| Shawn Doyle | Ruon Tarka | Does not appear | Recurring | Does not appear | ||
| Elias Toufexis | Cold | Guest | Does not appear | |||
| L'ak | Does not appear | Recurring | ||||
| Eve Harlow | Moll | Does not appear | Recurring | |||
| Victoria Sawal | Naya | Does not appear | Recurring | |||
| Natalie Liconti | Gallo | Does not appear | Recurring | |||
| Christina Dixon | Asha | Does not appear | Recurring | |||
| Tony Nappo | Ruhn | Does not appear | Recurring | |||
| Dorian Grey | Arisar | Does not appear | Recurring | |||
This section includes cast members who appeared in main or recurring roles:
| Actor | Character | Appearances | ||
|---|---|---|---|---|
| Season 1 | Season 2 | Season 3 | ||
| Patrick Stewart | Jean-Luc Picard | Main | ||
| Alison Pill | Agnes Jurati[a] | Main | Does not appear | |
| Isa Briones | Dahj and Soji Asha[b] | Main | Does not appear | |
| Kore Soong | Does not appear | Main | Does not appear | |
| Harry Treadaway | Narek | Main | Does not appear | |
| Michelle Hurd | Raffi Musiker | Main | ||
| Santiago Cabrera | Chris Rios | Main | Does not appear | |
| Evan Evagora | Elnor | Main | Does not appear | |
| Jeri Ryan | Seven of Nine | Recurring | Main | |
| Orla Brady | Laris | Recurring | Main | Guest |
| Tallinn | Does not appear | Main | Does not appear | |
| Brent Spiner | Data[c] | Recurring | Does not appear | Recurring |
| Adam Soong | Does not appear | Main | Does not appear | |
| Ed Speleers | Jack Crusher | Does not appear | Main | |
| Actor | Character | Appearances | ||
|---|---|---|---|---|
| Season 1 | Season 2 | Season 3 | ||
| Jamie McShane | Zhaban | Recurring | Does not appear | |
| Sumalee Montano | Mom AI | Recurring | Does not appear | |
| Tamlyn Tomita | Oh | Recurring | Does not appear | |
| Peyton List | Narissa | Recurring | Does not appear | |
| Jonathan Del Arco | Hugh | Recurring | Does not appear | |
| Rebecca Wisocky | Ramdha | Recurring | Does not appear | |
| Jonathan Frakes | William Riker | Guest | Does not appear | Recurring |
| Marina Sirtis | Deanna Troi | Guest | Does not appear | Recurring |
| John de Lancie | Q | Does not appear | Recurring | Cameo |
| Madeline Wise | Yvette Picard | Does not appear | Recurring | Does not appear |
| Annie Wersching | Borg Queen | Does not appear | Recurring | Guest[a] |
| Sol Rodríguez | Teresa Ramirez | Does not appear | Recurring | Does not appear |
| Ito Aghayere | Guinan | Does not appear | Recurring[b] | Does not appear |
| Penelope Mitchell | Renée Picard | Does not appear | Recurring | Does not appear |
| Gates McFadden | Beverly Crusher | Does not appear | Recurring | |
| Todd Stashwick | Liam Shaw | Does not appear | Recurring | |
| Ashlei Sharpe Chestnut | Sidney La Forge | Does not appear | Recurring | |
| Michael Dorn | Worf | Does not appear | Recurring | |
| Amanda Plummer | Vadic | Does not appear | Recurring | |
| LeVar Burton | Geordi La Forge | Does not appear | Recurring | |
| Mica Burton | Alandra La Forge | Does not appear | Recurring | |
| Actor | Character | Seasons | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| Main cast | ||||||
| Tawny Newsome | Beckett Mariner | Main | ||||
| Jack Quaid | Brad Boimler | Main[a] | ||||
| William Boimler | Does not appear | Main[a] | Does not appear | Main[a] | ||
| Noël Wells | D'Vana Tendi | Main | ||||
| Eugene Cordero | Sam Rutherford | Main[b] | ||||
| Red Rutherford | Does not appear | Main[b] | Does not appear | |||
| Dawnn Lewis | Carol Freeman | Main | ||||
| Jerry O'Connell | Jack Ransom | Main | ||||
| Fred Tatasciore | Shaxs | Main | ||||
| Gillian Vigman | T'Ana | Main | ||||
| Recurring cast | ||||||
| Paul Scheer | Andy Billups | Recurring | ||||
| Jessica McKenna | Barnes | Recurring | ||||
| Ben Rodgers | Steve Stevens | Recurring | Guest | Does not appear | Guest | |
| Lauren Lapkus | Jennifer Sh'reyan | Guest | Recurring | Does not appear | Guest | |
| Phil LaMarr | Alonzo Freeman | Guest | Recurring | Guest | ||
| Carl Tart | Kayshon | Does not appear | Recurring | |||
| Paul F. Tompkins | Gabers Migleemo | Guest | Recurring | Guest | ||
| Gabrielle Ruiz | T'Lyn | Does not appear | Guest | Recurring | ||
| Carlos Alazraqui | Les Buenamigo | Does not appear | Recurring | Does not appear | ||
| Georgia King | Petra Aberdeen | Does not appear | Recurring | Does not appear | ||
| Special guests and legacy characters | ||||||
| Jonathan Frakes | William Riker | Special guest | Does not appear | |||
| John de Lancie | Q | Special guest | Does not appear | |||
| Marina Sirtis | Deanna Troi | Special guest | Does not appear | |||
| Robert Duncan McNeill | Tom Paris | Does not appear | Special guest | Does not appear | ||
| Nick Locarno | Does not appear | Guest | Does not appear | |||
| Jeffrey Combs | AGIMUS | Does not appear | Special guest | Does not appear | ||
| Alice Krige | Borg Queen | Does not appear | Guest | Does not appear | ||
| Lycia Naff | Sonya Gomez | Does not appear | Guest | Does not appear | ||
| Armin Shimerman | Quark | Does not appear | Special guest | Does not appear | ||
| Nana Visitor | Kira Nerys | Does not appear | Special guest | Does not appear | ||
| George Takei | Hikaru Sulu | Does not appear | Special guest | Does not appear | ||
| James Cromwell | Zefram Cochrane | Does not appear | Guest | Does not appear | ||
| J.G. Hertzler | Martok | Does not appear | Guest | Does not appear | ||
| Susan Gibney | Leah Brahms | Does not appear | Guest | Does not appear | ||
| Max Grodénchik | Rom | Does not appear | Special guest | Does not appear | ||
| Chase Masterson | Leeta | Does not appear | Special guest | Does not appear | ||
| Wil Wheaton | Wesley Crusher | Does not appear | Special guest | Does not appear | ||
| Shannon Fill | Sito Jaxa | Does not appear | Guest | Does not appear | ||
| Brent Spiner | Data | Does not appear | Special Guest | |||
| Jolene Blalock[c] | T'Pol | Does not appear | Special Guest | |||
| Andrew J. Robinson | Elim Garak | Does not appear | Special Guest | |||
| Alexander Siddig | Julian Bashir | Does not appear | Special Guest | |||
| Garrett Wang | Harry Kim | Does not appear | Special Guest | |||
| Alfre Woodard | Lily Sloane | Does not appear | Special Guest | |||
This section includes cast members who appeared in main or recurring roles:
| Actor | Character | Appearances | |
|---|---|---|---|
| Season 1 | Season 2 | ||
| Brett Gray | Dal R'El | Main | |
| Ella Purnell | Gwyn | Main | |
| Jason Mantzoukas | Jankom Pog | Main | |
| Angus Imrie | Zero | Main | |
| Rylee Alazraqui | Rok-Tahk | Main | |
| Dee Bradley Baker | Murf | Main | |
| Jimmi Simpson | Drednok | Main | |
| The Lorekeeper | Does not appear | Main | |
| John Noble | Ilthuran / The Diviner | Main | |
| Kate Mulgrew | Kathryn Janeway | Main | |
| Robert Beltran | Chakotay | Recurring | Main |
| Robert Picardo | The Doctor | Does not appear | Main |
| Jameela Jamil | Asencia / The Vindicator | Recurring | Main |
| Wil Wheaton | Wesley Crusher | Does not appear | Main |
| Actor | Character | Appearances | |
|---|---|---|---|
| Season 1 | Season 2 | ||
| Bonnie Gordon | Ship computer | Recurring | |
| Jason Alexander | Noum | Recurring | |
| Daveed Diggs | Tysess | Recurring | |
| Billy Campbell | Thadiun Okona | Recurring | Guest |
| Ronny Cox | Edward Jellico | Recurring | |
| Sunkrish Bala | Zeph | Does not appear | Recurring |
| Michaela Dietz | Maj'el | Does not appear | Recurring |
| Grom | Does not appear | Recurring | |
| Susanne Blakeslee | Kathon | Does not appear | Recurring |
| John Pirkis | Borom | Does not appear | Recurring |
This section includes cast members who will appear or have appeared in main or recurring roles:
| Actor | Character | Appearances | |||
|---|---|---|---|---|---|
| Season 1 | Season 2 | Season 3 | Season 4 | ||
| Anson Mount | Christopher Pike | Main | |||
| Ethan Peck | Spock | Main | |||
| Jess Bush | Christine Chapel | Main | |||
| Christina Chong | La'An Noonien-Singh | Main | |||
| Celia Rose Gooding | Nyota Uhura | Main | |||
| Melissa Navia | Erica Ortegas | Main | |||
| Babs Olusanmokun | Joseph M'Benga | Main | |||
| Bruce Horak | Hemmer | Main | Guest | Does not appear | |
| Rebecca Romijn | Una Chin-Riley / Number One | Main | |||
| Martin Quinn | Montgomery "Scotty" Scott | Co-star[a] | Guest | Main | |
| Actor | Character | Appearances | ||
|---|---|---|---|---|
| Season 1 | Season 2 | Season 3 | ||
| Adrian Holmes | Robert April | Recurring | Guest | |
| Dan Jeannotte | George Samuel "Sam" Kirk | Recurring | ||
| Gia Sandhu | T'Pring | Recurring | Guest | Does not appear |
| Melanie Scrofano | Marie Batel | Recurring | ||
| Paul Wesley | James T. Kirk | Guest | Recurring | |
| Carol Kane | Pelia | Does not appear | Recurring | |
| Cillian O'Sullivan | Roger Korby | Does not appear | Recurring | |
| Mynor Luken | Beto Ortegas | Does not appear | Recurring | |
| Chris Myers | Dana Gamble | Does not appear | Recurring | |
Star Trek has an ongoing tradition of actors returning to reprise their roles in other spin-off series. In some instances, actors have portrayed potential ancestors, descendants, or relatives of characters they originated. Characters have also been recast for later appearances.
| Actor(s) | Character | The Original Series (1966–1969) | The Animated Series (1973–1974) | The Next Generation (1987–1994) | Deep Space Nine (1993–1999) | Voyager (1995–2001) | Enterprise (2001–2005) | Discovery (2017–present) | Short Treks[α] (2018–2020) | Picard (2020–2023) | Lower Decks (2020–present) | Prodigy (2021–present) | Strange New Worlds (2022–present) | Very Short Treks[β] (2023) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| William Shatner | James T. Kirk | Main | Archive footage[γ] | Archive audio[δ] | Archive audio[ε] | |||||||||
| Paul Wesley | Recurring | |||||||||||||
| Jeffrey Hunter | Christopher Pike | Main[ζ] | Archive footage[η] | |||||||||||
| Sean Kenney | Guest[θ] | |||||||||||||
| Anson Mount | Main[ι] | Guest | Main | |||||||||||
| Leonard Nimoy | Spock | Main | Guest | Archive footage[γ] | Archive footage[κ] | Archive audio | ||||||||
| Ethan Peck | Recurring | Guest | Main | Guest | ||||||||||
| DeForest Kelley | Leonard McCoy | Main[λ] | Guest | Archive footage[γ] | ||||||||||
| James Doohan | Scotty | Co-star | Guest | Archive footage[γ] | Archive audio | |||||||||
| Carlos Alazraqui | Guest | |||||||||||||
| Martin Quinn | Main | |||||||||||||
| Nichelle Nichols | Uhura | Co-star | Archive footage[γ] | Archive audio | ||||||||||
| Celia Rose Gooding | Main | Guest | ||||||||||||
| George Takei | Hikaru Sulu | Co-star | Guest | Archive audio[ε] | Guest | Guest | ||||||||
| Walter Koenig | Pavel Chekov | Co-star[μ] | Archive footage[γ] | Guest[ν] | ||||||||||
| Jess Bush | Christine Chapel | Main | ||||||||||||
| Majel Barrett | Co-star | |||||||||||||
| Computer Voice | Recurring | Archive audio | ||||||||||||
| Lwaxana Troi | Recurring | |||||||||||||
| Una "Number One" Chin-Riley | Guest | Archive footage[η] | ||||||||||||
| Rebecca Romijn | Recurring | Guest | Main | |||||||||||
| Grace Lee Whitney | Janice Rand | Recurring | Guest | |||||||||||
| Roger C. Carmel | Harry Mudd | Recurring | Guest | |||||||||||
| Rainn Wilson | Recurring | Guest | ||||||||||||
| Patrick Stewart | Jean-Luc Picard | Main | Guest | Archive audio[δ] | Archive footage[ξ] | Main | ||||||||
| Jonathan Frakes | William Riker | Main | Guest[ο] | Recurring | Guest | Guest | ||||||||
| LeVar Burton | Geordi La Forge | Main | Guest | Recurring | ||||||||||
| Michael Dorn | Worf | Main[π] | Recurring | |||||||||||
| Gates McFadden | Beverly Crusher | Main[ρ] | Recurring | Guest | Guest | |||||||||
| Marina Sirtis | Deanna Troi | Main | Guest | Recurring | Guest | |||||||||
| Brent Spiner | Data | Main | Guest[σ] | Recurring | Guest | |||||||||
| Arik Soong | Guest | |||||||||||||
| Altan Inigo Soong | Guest | |||||||||||||
| Adam Soong | Main | |||||||||||||
| Wil Wheaton | Wesley Crusher | Main[τ] | Guest | Main | ||||||||||
| Diana Muldaur | Katherine Pulaski | Main[υ] | ||||||||||||
| Ann Mulhall | Guest | |||||||||||||
| Miranda Jones | Guest | |||||||||||||
| John de Lancie | Q | Recurring | Guest | Recurring | Recurring | Guest | Guest[φ] | |||||||
| Whoopi Goldberg | Guinan | Recurring | Guest | |||||||||||
| Ito Aghayere | Recurring | |||||||||||||
| Dwight Schultz | Reginald Barclay | Recurring | Recurring | |||||||||||
| Jon Paul Steuer | Alexander Rozhenko | Guest | ||||||||||||
| Brian Bonsall | Recurring | |||||||||||||
| James Sloyan | Guest[χ] | |||||||||||||
| Marc Worden | Recurring | |||||||||||||
| Jonathan Del Arco | Hugh | Recurring | Recurring | |||||||||||
| Michelle Forbes | Dara | Guest | ||||||||||||
| Ro Laren | Recurring | Guest | ||||||||||||
| Alice Krige | Borg Queen | Guest | Guest | |||||||||||
| Susanna Thompson | Recurring | |||||||||||||
| Annie Wersching | Recurring | |||||||||||||
| René Auberjonois | Odo | Main | Archive audio | |||||||||||
| Colm Meaney | Miles O'Brien | Recurring | Main | |||||||||||
| Armin Shimerman | Quark | Guest | Main | Guest | Guest | Guest | ||||||||
| Alexander Siddig[ψ] | Julian Bashir | Guest | Main | Guest | ||||||||||
| Nana Visitor | Kira Nerys | Main | Guest | |||||||||||
| Rosalind Chao | Keiko O'Brien | Recurring | ||||||||||||
| Andrew Robinson | Elim Garak | Recurring | Guest | |||||||||||
| Kate Mulgrew | Kathryn Janeway | Main | Main | |||||||||||
| Robert Beltran | Chakotay | Main | Main | |||||||||||
| Robert Duncan McNeill | Tom Paris | Main | Guest | |||||||||||
| Ethan Phillips | Neelix | Main | Guest | |||||||||||
| Robert Picardo | The Doctor | Guest[ω] | Main | Main | ||||||||||
| Tim Russ | Tuvok | Guest[αα] | Main | Guest | ||||||||||
| Jeri Ryan | Seven of Nine | Main[αβ] | Main | |||||||||||
| Garrett Wang | Harry Kim | Main | Guest | |||||||||||
| Manu Intiraymi | Icheb | Recurring | ||||||||||||
| Mark Bennington | Guest | |||||||||||||
| Casey King | Guest | |||||||||||||
| Jolene Blalock | T'Pol | Main | Guest | |||||||||||
| Connor Trinneer | Trip Tucker | Main | Guest | |||||||||||
| Sonequa Martin-Green | Michael Burnham | Main | ||||||||||||
| Kyrie Mcalpin | Guest | |||||||||||||
| Doug Jones | Saru | Main | Guest | Guest | ||||||||||
| Mary Wiseman | Sylvia Tilly | Main | Guest | |||||||||||
| Mark Lenard | Sarek | Guest | ||||||||||||
| James Frain | Recurring | |||||||||||||
| Jane Wyatt | Amanda Grayson | Guest | ||||||||||||
| Majel Barrett | Guest | |||||||||||||
| Mia Kirshner | Recurring | Guest | ||||||||||||
| Tawny Newsome | Beckett Mariner | Main | Guest | |||||||||||
| Jack Quaid | Brad Boimler | Main | Guest | |||||||||||
| Noël Wells | D'Vana Tendi | Main | Guest | |||||||||||
| Eugene Cordero | Sam Rutherford | Main | Guest | |||||||||||
| Jerry O'Connell | Jack Ransom | Main | Guest | |||||||||||
| Angus Imrie | Zero | Main | Guest | |||||||||||
| Booker Bradshaw | Joseph M'Benga | Recurring | ||||||||||||
| Babs Olusanmokun | Main | |||||||||||||
| Bruce Horak | Hemmer | Main | Guest | |||||||||||
| Arlene Martel | T'Pring | Guest | ||||||||||||
| Gia Sandhu | Recurring | Guest | ||||||||||||
| ||||||||||||||
| Television series |
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| Films |
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| Setting |
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| Production | |||||||||||
| Unmade projects | |||||||||||
| Spin-off fiction | |||||||||||
| Aftershows | |||||||||||
| Documentaries | |||||||||||
| Cultural influence |
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