| (Patrick Stewart) | Harald Dietl | Prolog | 178 Episoden |  |
| Patrick Stewart | Rolf Schult | Cpt. Jean-Luc Picard (1. Stimme) | 83 Episoden | |
| Patrick Stewart | Ernst Meincke | Cpt. Jean-Luc Picard (2. Stimme) | 95 Episoden | |
| Patrick Stewart | Hans-Jürgen Wolf | Cpt. Jean-Luc Picard [DVD - Nachsynchros] | 4 Episoden | |
| Jonathan Frakes | Detlef Bierstedt | Commander William Riker | 178 Episoden | |
| Marina Sirtis | Eva Kryll | Counsellor Deanna Troi (1. Stimme) | 78 Episoden | |
| Marina Sirtis | Ulrike Lau | Counsellor Deanna Troi (2. Stimme) | 90 Episoden | |
| Brent Spiner | Michael Pan | Lt. Commander Data | 177 Episoden | |
| LeVar Burton | Charles Rettinghaus | Geordi La Forge | 170 Episoden | |
| Michael Dorn | Raimund Krone | Lt. Worf | 173 Episoden | |
| Denise Crosby | Katja Nottke | Lt. Tasha Yar (1. Stimme) | 25 Episoden | |
| Denise Crosby | Martina Treger | Lt. Tasha Yar (2. Stimme) | 2 Episoden | |
| Diana Muldaur | Bettina Schön | Dr. Katherine Pulaski | 20 Episoden | |
| Gates McFadden | Rita Engelmann | Dr. Beverly Crusher (1. Stimme) | 62 Episoden | |
| Gates McFadden | Ana Fonell | Dr. Beverly Crusher (2. Stimme) | 94 Episoden | |
| Wil Wheaton | Sven Plate | Wesley Crusher | 68 Episoden | |
| John de Lancie | Hans-Werner Bussinger | Q | 10 Episoden | |
| Whoopi Goldberg | Regina Lemnitz | Guinan (1. Stimme) | 16 Episoden | |
| Whoopi Goldberg | Marianne Groß | Guinan (2. Stimme) | 13 Episoden | |
| Colm Meaney | Jörg Döring | Chief Miles O'Brien (1. Stimme) | 54 Episoden | |
| Colm Meaney | Uwe Jellinek | Chief Miles O'Brien (2. Stimme) | 4 Episoden | |
| Majel Barrett | Ursula Heyer | Lwaxana Troi (1. Stimme) | 3 Episoden | |
| Majel Barrett | Inken Sommer | Lwaxana Troi (2. Stimme) | 3 Episoden | |
| Michelle Forbes | Susanne Schwab | Ro Laren | 8 Episoden | |
| Patti Yasutake | Manuela Brandenstein | Schwester Alyssa Ogawa | 16 Episoden | |
| John Snyder | Mathias Einert | Aaron Conor | 1 Episode | |
| Dan Mason | Frank-Otto Schenk | Accolan | 1 Episode | |
| Marcelo Tubert | Wolfgang Ziffer | Acost Jared | 1 Episode | |
| Scott Jaeck | Bodo Wolf | Administrator | 1 Episode | |
| Andrew Prine | Ulrich Johannson | Administrator / 'Lt.' Suna | 1 Episode | |
| Renata Scott | Birgit Edenharter | Admiral | 3 Episoden | |
| George D. Wallace | Werner Ehrlicher | Admiral | 1 Episode | |
| Ray Reinhardt | Heinz Palm | Admiral Aaron | 1 Episode | |
| Natalija Nogulich | Evamaria Miner | Admiral Alynna Nechayev | 4 Episoden | |
| Karen Hensel | Edeltraut Elsner | Admiral Brackett | 2 Episoden | |
| Jacqueline Brookes | Bettina Schön | Admiral Brand | 1 Episode | |
| Bruce Gray | Jürgen Zartmann | Admiral Chekote | 2 Episoden | |
| Barbara Townsend | Luise Lunow | Admiral Connaught Rossa | 1 Episode | |
| Terry O'Quinn | Jürgen Zartmann | Admiral Eric Pressman | 1 Episode | |
| Ward Costello | Jochen Schröder | Admiral Gregory Quinn | 3 Episoden | |
| Georgann Johnson | Barbara Adolph | Admiral Gromek | 1 Episode | |
| John Hancock | Reinhard Scheunemann | Admiral Haden (1. Stimme) | 1 Episode | |
| John Hancock | Dieter Okras | Admiral Haden (2. Stimme) | 1 Episode | |
| Nicolas Coster | Jochen Schröder | Admiral Haftel | 1 Episode | |
| George Murdock | Jochen Schröder | Admiral J. P. Hanson | 2 Episoden | |
| Cliff Potts | Werner Ehrlicher | Admiral Kennelly | 1 Episode | |
| DeForest Kelley | Helmut Heyne | Admiral Leonard 'Pille' McCoy | 1 Episode | |
| Warren Munson | Werner Ehrlicher | Admiral Marcus Holt | 1 Episode | |
| Nancy Vawter | Renate Rennhack | Admiral Margaret Blackwell | 1 Episode | |
| Clayton Rohner | Volker Brandt | Admiral Mark Jameson | 1 Episode | |
| Alan Scarfe | Karl Schulz | Admiral Mendak | 1 Episode | |
| Clyde Kusatsu | Lothar Mann | Admiral Nakamura (1. Stimme) | 1 Episode | |
| Clyde Kusatsu | H.H. Müller | Admiral Nakamura (2. Stimme) | 1 Episode | |
| Jean Simmons | Bettina Schön | Admiral Norah Satie | 1 Episode | |
| Henry Darrow | Lutz Moik | Admiral Savar | 1 Episode | |
| Karen Landry | Barbara Ratthey | Ajur | 1 Episode | |
| Jim Norton | Fritz Decho | Albert Einstein | 2 Episoden | |
| Jon Paul Steuer | Tobias Müller | Alexander | 1 Episode | |
| Brian Bonsall | Tobias Müller | Alexander Rozhenko | 7 Episoden | |
| Kerrie Keane | Heike Schroetter | Alexena Devos | 1 Episode | |
| Olivia d'Abo | Nicolette Röwekamp | Amanda Rogers | 1 Episode | |
| Hariett Leider | Andrea Brix | Amarie | 1 Episode | |
| John Vickery | F.G.M. Stegers | Andrus Hagan | 1 Episode | |
| Barbara Williams | Karin David | Anna | 1 Episode | |
| Joy Garrett | Evelyn Meyka | Annie Meyers | 1 Episode | |
| Mick Fleetwood | Frank Hildebrandt | antedeanischer Würdenträger | 1 Episode | |
| Ned Romero | Hermann Ebeling | Anthwara | 1 Episode | |
| Marc Alaimo | Michael Erdmann | Anticaner Badar N'D'D | 1 Episode | |
| Paddi Edwards | Barbara Ratthey | Anya | 1 Episode | |
| Mädchen Amick | Elisabeth Günther | Anya (jugendlich) | 1 Episode | |
| David L. Crowley | Eckhard Bilz | Arbeiter | 1 Episode | |
| Richard Lynch | K.Dieter Klebsch | Arctus Baran | 2 Episoden | |
| Eileen Seeley | Marina Krogull | Ard'rian McKenzie | 1 Episode | |
| Marta DuBois | Viola Sauer | Ardra | 1 Episode | |
| Danitza Kingsley | Nicolette Röwekamp | Ariana | 1 Episode | |
| Patricia McPherson | Monica Bielenstein | Ariel | 1 Episode | |
| Mario Roccuzzo | Norbert Schwarz | Arthur Malencon | 1 Episode | |
| Folkert Schmidt | Michael O. Rüdiger | Arzt | 1 Episode | |
| Sam Anderson | Bodo Wolf | Assistenzmanager | 1 Episode | |
| Jerry Rector | Dieter Okras | Außerirdischer #1 | 1 Episode | |
| Jeff Rector | Thomas Nero Wolff | Außerirdischer #2 | 1 Episode | |
| Jeff Rector | F.G.M. Stegers | Außerirdischer #3 | 1 Episode | |
| Gwynyth Walsh | Viola Sauer | B'Etor | 3 Episoden | |
| Erick Avari | Gerald Paradies | B'iJik | 1 Episode | |
| Terrence E. McNally | Ulrich Johannson | B'Tardat | 1 Episode | |
| Jennifer Gatti | Daniela Thuar | Ba'el | 2 Episoden | |
| Jorge Cervera jr. | Alexander Herzog | Bandit | 1 Episode | |
| Stephen Lee | Karl-Heinz Grewe | Barkeeper | 1 Episode | |
| Abdul Salaam El Razzac | Walter Alich | Bassist | 1 Episode | |
| Richard Riehle | Andreas Thieck | Batai | 1 Episode | |
| Daniel Stewart | Stefan Meszerits | Batai Jr. | 1 Episode | |
| Karen Montgomery | Marina Krogull | Beata | 2 Episoden | |
| Bruce Beatty | Thomas Nero Wolff | Ben | 1 Episode | |
| Raymond Forchion | Manuel Vaessen | Ben Prieto | 1 Episode | |
| Kieran Mulroney | Johannes Berenz | Benzan | 1 Episode | |
| David Paul Needles | Frank Hildebrandt | Bergarbeiter #1 | 1 Episode | |
| Roger Rignack | Dieter Okras | Bergarbeiter #2 | 1 Episode | |
| Charles Gunning | Ulrich Johannson | Bergarbeiter #3 | 1 Episode | |
| Tracey Walter | Uwe Jellinek | Berik | 1 Episode | |
| Randal Patrick | Gunnar Helm | Besatzungsmitglied | 1 Episode | |
| Charles Dayton | Jonas Ziegler | Besatzungsmitglied | 1 Episode | |
| Angelo McCabe | Michael Bauer | Besatzungsmitglied | 1 Episode | |
| Dennis Madalone | Walter Alich | Besatzungsmitglied #2 | 1 Episode | |
| Jack Murdock | Dieter Kursawe | Bettler / Goldgräber | 1 Episode | |
| Tzi Ma | Michael Erdmann | Biomolekular-Physiologe | 1 Episode | |
| Gerard Prendergast | Matthias Klages | Björn Benson | 1 Episode | |
| Ray Walston | Joachim Röcker | Boothby | 1 Episode | |
| Michael Champion | Hans-Joachim Hanisch | Boratus | 1 Episode | |
| Tim O'Connor | Werner Ehrlicher | Botschafter Briam | 1 Episode | |
| Rick Scarry | Michael Tietz | Botschafter Jarth | 1 Episode | |
| Lawrence Dobkin | Eberhard Wechselberg | Botschafter Kell | 1 Episode | |
| Robin Gammell | Karl Sturm | Botschafter Mauric | 1 Episode | |
| Charles Lucia | Dieter Memel | Botschafter Ramid Ves Alkar | 1 Episode | |
| Mark Lenard | Jochen Thomas | Botschafter Sarek | 1 Episode | |
| Mark Lenard | Friedrich W. Bauschulte | Botschafter Sarek | 1 Episode | |
| Leonard Nimoy | Herbert Weicker | Botschafter Spock | 2 Episoden | |
| Rosalyn Landor | Traudel Haas | Brenna Odell | 2 Episoden | |
| Joey Aresco | Bernd Rumpf | Brull | 1 Episode | |
| Michael Harris | Martin Keßler | Byleth | 1 Episode | |
| Tony Jay | Werner Ehrlicher | Campio | 1 Episode | |
| Vaughn Armstrong | Kurt Goldstein | Capt. Korris | 2 Episoden | |
| Tricia O'Neil | Viola Sauer | Capt. Rachel Garrett | 1 Episode | |
| Deborah Taylor | Birgit Edenharter | Captain Chantal Zaheva | 1 Episode | |
| Douglas Rowe | Lothar Mann | Captain Debin | 1 Episode | |
| Sherman Howard | Manfred Richter | Captain Endar | 1 Episode | |
| Ronny Cox | Eberhard Mellies | Captain Jellico | 2 Episoden | |
| Stephen Root | Tilo Schmitz | Captain K'Vada | 2 Episoden | |
| Christopher Collins | Helmut Krauss | Captain Kargan | 2 Episoden | |
| Kelsey Grammer | Dieter Okras | Captain Morgan Bateson | 1 Episode | |
| Marco Rodríguez | Christian Toberentz | Captain Paul Rice | 1 Episode | |
| Amanda McBroom | Gisela Fritsch | Captain Phillippa Louvois | 1 Episode | |
| Michael Berryman | Michael Erdmann | Captain Rixx | 1 Episode | |
| Michael Cavanaugh | Frank-Otto Schenk | Captain Robert DeSoto | 1 Episode | |
| Madge Sinclair | Barbara Adolph | Captain Silva La Forge | 1 Episode | |
| J. Patrick McNamara | Karl-Heinz Grewe | Captain Taggert | 1 Episode | |
| Terrence Beasor | Ulrich Johannson | Captain Talmadge | 1 Episode | |
| Billy Campbell | Ingo Albrecht | Captain Thaduin Okona | 1 Episode | |
| Ursaline Bryant | Ana Fonell | Captain Tryla Scott | 1 Episode | |
| Jonathan Farwell | Helmut Ahner | Captain Walker Keel | 1 Episode | |
| Susan Diol | Ulrike Möckel | Carmen Davila | 1 Episode | |
| Craig Richard Nelson | Ortwin Speer | Chefermittler Krag | 1 Episode | |
| Vyto Ruginis | Stefan Staudinger | Chefingenieur Logan | 1 Episode | |
| Brooke Bundy | Kerstin Sanders-Dornseif | Chefingenieur Sarah MacDougall | 1 Episode | |
| Teri Hatcher | Nicolette Röwekamp | Chief B.G. Robinson | 1 Episode | |
| Shelby Leverington | Sonja Deutsch | Chief Brosmer | 1 Episode | |
| Daniel Benzali | Peter Neusser | Chirurg | 1 Episode | |
| Stephen Lee | Jürgen Kluckert | Chorgan | 1 Episode | |
| Julie Warner | Schaukje Könning | Christy Henshaw | 1 Episode | |
| Julie Warner | Nadja Reichardt | Christy Henshaw | 1 Episode | |
| Gracie Harrison | Karin Grüger | Clair Raymond | 1 Episode | |
| Noley Thornton | Viola Scherff | Clara Sutter | 1 Episode | |
| Brian Brophy | Wilfried Herbst | Commander Bruce Maddox | 1 Episode | |
| David Spielberg | Klaus Jepsen | Commander Calvin Hutchinson | 1 Episode | |
| Erich Anderson | Ulrich Johannson | Commander Kieran MacDuff | 1 Episode | |
| Reg E. Cathay | Dieter Memel | Commander Morag | 1 Episode | |
| Gene Dynarski | Friedrich Georg Beckhaus | Commander Orfil Quinteros | 1 Episode | |
| Charles Dennis | Michael Telloke | Commander Sunad | 1 Episode | |
| John Fleck | Jörg Hengstler | Commander Taibak | 1 Episode | |
| Marc Alaimo | Peter Neusser | Commander Tebok | 1 Episode | |
| Alan Scarfe | Andreas Thieck | Commander Tokath | 2 Episoden | |
| Andreas Katsulas | Ernst Meincke | Commander Tomalak | 1 Episode | |
| Andreas Katsulas | Friedrich Georg Beckhaus | Commander Tomalak | 3 Episoden | |
| Carolyn Seymour | Marianne Lutz | Commander Toreth | 1 Episode | |
| Josh Clark | Walter Alich | Con-Offizier | 1 Episode | |
| Dennis Cockrum | Helmut Krauss | Corvallenischer Kommandant | 1 Episode | |
| Bob Gunton | Peter Neusser | Cpt. Ben Maxwell | 1 Episode | |
| Thalmus Rasulala | Kurt Goldstein | Cpt. Donald Varley | 1 Episode | |
| Richard Fancy | Michael Telloke | Cpt. Satelk | 1 Episode | |
| Spencer Garrett | David Nathan | Crewman Simon Tarses | 1 Episode | |
| Erick Weiss | F.G.M. Stegers | Crewmitglied | 1 Episode | |
| Thomas Belgrey | Christian Olsen | Crewmitglied | 1 Episode | |
| Brian Cousins | Michael Christian | Crosis | 2 Episoden | |
| Lawrence Tierney | Alexander Herzog | Cyrus Redblock | 1 Episode | |
| Kay E. Kuter | Achim Petry | Cytharianer | 1 Episode | |
| Vidal Peterson | Albert Obitz | D'Tan | 1 Episode | |
| Peter Marx | Ulrich Johannson | DaiMon Birta | 1 Episode | |
| Lee Arenberg | Michael Telloke | Daimon Bok | 1 Episode | |
| Frank Corsentino | Dieter Kursawe | Daimon Bok | 1 Episode | |
| Armin Shimerman | Joachim von Ulmann | DaiMon Bractor | 1 Episode | |
| Scott Thomson | Kurt Goldstein | DaiMon Goss | 1 Episode | |
| Mike Gomez | Peter Groeger | DaiMon Lurin | 1 Episode | |
| Lee Arenberg | Hans-Joachim Leschnitz | DaiMon Prak | 1 Episode | |
| Lou Wagner | Hans Nitschke | DaiMon Solok | 1 Episode | |
| Mike Gomez | Helmut Krauss | DaiMon Tarr | 1 Episode | |
| Frank Corsentino | Friedrich Georg Beckhaus | Daimon Tog | 1 Episode | |
| Barrie Ingham | Friedrich Georg Beckhaus | Danilo O'Dell | 1 Episode | |
| Michelle Forbes | Maja Dürr | Dara | 1 Episode | |
| Eric Menyuk | Tom Vogt | der Reisende | 1 Episode | |
| Eric Menyuk | Michael Christian | der Reisende | 1 Episode | |
| Eric Menyuk | Martin Keßler | der Reisende | 1 Episode | |
| Darryl Henriques | Alexander Herzog | der Wächter | 1 Episode | |
| Vincent Schiavelli | Tom Deininger | der Waffenhändler | 1 Episode | |
| Matt McCoy | Till Hagen | Devinoni Ral | 1 Episode | |
| Tim Russ | Christian Olsen | Devor | 1 Episode | |
| Joi Staton | Luise Lunow | Dienerin | 1 Episode | |
| Nick Tate | Andreas Thieck | Dirgo | 1 Episode | |
| Charles Esten | Gerald Paradies | Divok | 1 Episode | |
| Penny Johnson Jerald | Ulrike Johannson | Dobara | 1 Episode | |
| James Gleason | Joachim Kaps | Dr. Appollinaire | 1 Episode | |
| Dan Shor | Wilfried Herbst | Dr. Arridor | 1 Episode | |
| James Greene | Werner Ehrlicher | Dr. Barron | 1 Episode | |
| George Hearn | Werner Ehrlicher | Dr. Berel | 1 Episode | |
| Dierk Torsek | Norbert Schwarz | Dr. Bernard | 1 Episode | |
| John S. Ragin | Werner Ehrlicher | Dr. Christopher | 1 Episode | |
| Bill Erwin | Fritz Decho | Dr. Dalen Quaice | 1 Episode | |
| Ben Vereen | Roland Hemmo | Dr. Edward La Forge | 1 Episode | |
| Ellen Bry | Martina Treger | Dr. Farallon | 1 Episode | |
| Ethan Phillips | Michael Erdmann | Dr. Farek | 1 Episode | |
| Richard Cansino | Dieter Okras | Dr. Garin | 1 Episode | |
| Stefan Gierasch | Dietmar Richter-Reinick | Dr. Hal Moseley | 1 Episode | |
| Paul Lambert | Jochen Schröder | Dr. Howard Clarke | 1 Episode | |
| William Morgan Sheppard | Hans W. Hamacher | Dr. Ira Graves | 1 Episode | |
| Richard McGonagle | Rolf Marnitz | Dr. Ja'Dar | 1 Episode | |
| James Horan | K.Dieter Klebsch | Dr. Jo'Bril | 1 Episode | |
| Alexander Siddig | Boris Tessmann | Dr. Julian Bashir | 1 Episode | |
| Fionnula Flanagan | Barbara Adolph | Dr. Juliana O'Donnell Soong Tainer | 1 Episode | |
| Ellen Geer | Barbara Adolph | Dr. Kila Marr | 1 Episode | |
| Bebe Neuwirth | Ute Brankatsch | Dr. Lanel | 1 Episode | |
| Susan Gibney | Alexandra Lange | Dr. Leah Brahms (1. Stimme) | 1 Episode | |
| Susan Gibney | Karin Grüger | Dr. Leah Brahms (2. Stimme) | 1 Episode | |
| Mark Margolis | Harry Wüstenhagen | Dr. Nel Apgar | 1 Episode | |
| Paul Sorvino | Klaus Sonnenschein | Dr. Nikolai Rozhenko | 1 Episode | |
| Steven Anderson | Michael Tietz | Dr. Nilrem | 1 Episode | |
| Brent Spiner | Jochen Thomas | Dr. Noonien Soong | 1 Episode | |
| Rod Loomis | Hans Teuscher | Dr. Paul Manheim | 1 Episode | |
| Ken Jenkins | Lutz Moik | Dr. Paul Stubbs | 1 Episode | |
| Peter Marx | Imo Heite | Dr. Reyga | 1 Episode | |
| Patricia Smith | Sigrid Lagemann | Dr. Sarah Kingsley | 1 Episode | |
| Castulo Guerra | Lothar Mann | Dr. Seth Mendoza | 1 Episode | |
| David Selburg | Lothar Hinze | Dr. Syrus | 1 Episode | |
| Joan Stuart Morris | Heidi Weigelt | Dr. T'Pan | 1 Episode | |
| Sachi Parker | Beate Pfeiffer | Dr. Tava | 1 Episode | |
| Caroline Kava | Gertie Honeck | Dr. Toby Russell | 1 Episode | |
| Ivy Bethune | Barbara Ratthey | Duana | 1 Episode | |
| Patrick Massett | Jürgen Kluckert | Duras | 1 Episode | |
| (Majel Barrett) | Michael Erdmann | Durchsage | 1 Episode | |
| Judith Jones | Ulrike Stürzbecher | Edo-Mädchen | 1 Episode | |
| Kelli Ann McNally | Uwe Büschken | Eins Eins | 1 Episode | |
| Alexandra Johnson | Uwe Büschken | Eins Null | 1 Episode | |
| John Pyper-Ferguson | Stefan Meszerits | Eli Hollander | 1 Episode | |
| Margot Rose | Evelyn Maron | Eline | 1 Episode | |
| Colm Meaney | Walter Alich | Erste Sicherheitswache | 1 Episode | |
| Reiner Schöne | Karl Schulz | Esoqq | 1 Episode | |
| Katherine Moffat | Elvira Schuster | Etana Jol | 1 Episode | |
| Stephen Matthew Garvin | Ulrich Johannson | Fähnrich | 2 Episoden | |
| J.P. Hubbell | Uwe Jellinek | Fähnrich | 1 Episode | |
| Whitney Rydbeck | Manfred Rahn | Fähnrich Alans | 1 Episode | |
| Paul Tompkins | Ulrich Johannson | Fähnrich Anthony Brevelle | 1 Episode | |
| Page Leong | Maja Dürr | Fähnrich April Anaya | 1 Episode | |
| David Coburn | Ralph Beckmann | Fähnrich Brower | 1 Episode | |
| Glenn Morshower | Matthias Klages | Fähnrich Burke | 1 Episode | |
| Alison Brooks | Daniela Thuar | Fähnrich Chilton | 2 Episoden | |
| Anne Ramsay | Stefanie Schmidt | Fähnrich Clancy | 1 Episode | |
| Anne Ramsay | Ana Fonell | Fähnrich Clancy | 1 Episode | |
| Ned Vaughn | Stefan Meszerits | Fähnrich Corey Zweller | 1 Episode | |
| Jeff Allin | Stefan Staudinger | Fähnrich Daniel Sutter | 1 Episode | |
| Nicholas Cascone | Christian Toberentz | Fähnrich Davies | 1 Episode | |
| Craig Benton | Ulrich Johannson | Fähnrich Davis | 1 Episode | |
| Carlos Ferro | Andreas Müller | Fähnrich Dern | 1 Episode | |
| Barry Lynch | Michael Telloke | Fähnrich DeSeve | 1 Episode | |
| Sheila Franklin | Nicolette Röwekamp | Fähnrich Felton | 3 Episoden | |
| Shaun Duke | Bodo Wolf | Fähnrich Gilliespie | 1 Episode | |
| Sabrina Le Beauf | Elisabeth Günther | Fähnrich Giusti | 2 Episoden | |
| Mona Grudt | Suzanne Vogdt | Fähnrich Graham | 1 Episode | |
| Charles Douglass | Ingo Albrecht | Fähnrich Haskell | 1 Episode | |
| Ann Gillespie | Beate Pfeiffer | Fähnrich Hildebrandt | 1 Episode | |
| Lucy Boryer | Maja Dürr | Fähnrich Janeway | 1 Episode | |
| Erick Weiss | Gerald Schaale | Fähnrich Kane | 1 Episode | |
| James Lashly | Frank Hildebrandt | Fähnrich Kopf | 1 Episode | |
| Julia Nickson | Sabine Buschmann | Fähnrich Lian T'Su | 1 Episode | |
| Johanna McCloy | Bettina Weiß | Fähnrich Maddie Calloway | 1 Episode | |
| Cameron Arnett | Matthias Klages | Fähnrich Mandel | 1 Episode | |
| Kenneth Meseroll | Christian Olsen | Fähnrich McDowell | 1 Episode | |
| Pamela Winslow | Andreschka Großmann | Fähnrich McKnight (1. Stimme) | 1 Episode | |
| Pamela Winslow | Daniela Thuar | Fähnrich McKnight (2. Stimme) | 1 Episode | |
| John Putch | Benjamin Völz | Fähnrich Mendon | 1 Episode | |
| Leslie Neale | Maja Dürr | Fähnrich Nagel | 1 Episode | |
| Mae Jamison | Ellen Eichberg | Fähnrich Palmer | 1 Episode | |
| Craig Hurley | David Nathan | Fähnrich Peeples | 1 Episode | |
| Brian Tochi | Michael Bauer | Fähnrich Peter Lin | 1 Episode | |
| Lanei Chapman | Maja Dürr | Fähnrich Rager | 1 Episode | |
| Lanei Chapman | Renate Weyl | Fähnrich Rager | 1 Episode | |
| Ashley Judd | Natascha Hirthe | Fähnrich Robin Lefler | 2 Episoden | |
| Shannon Fill | Daniela Thuar | Fähnrich Sito Jaxa | 1 Episode | |
| Lycia Naff | Ulrike Mai | Fähnrich Sonya Gomez | 1 Episode | |
| Alexander Enberg | Stefan Meszerits | Fähnrich Taurik | 1 Episode | |
| Mary Kohnert | Madeleine Lierck-Wien | Fähnrich Tess Allenby | 1 Episode | |
| Gina Ravera | Debora Weigert | Fähnrich Tyler | 1 Episode | |
| Alex Datcher | Daniela Thuar | Fähnrich Zandra Taitt | 1 Episode | |
| Arlee Reed | Walter Alich | Farmer | 1 Episode | |
| Harvey Jason | Dieter Ranspach | Felix Leech | 1 Episode | |
| John McLiam | Fritz Decho | Fento | 1 Episode | |
| David L. Lander | Michael Erdmann | Ferengi-Taktikoffizier | 1 Episode | |
| Fran Bennett | Luise Lunow | Flottenadmiral Shanti | 1 Episode | |
| Kelly Ashmore | Daniela Thuar | Francine | 1 Episode | |
| Diane Hurley | Ellen Eichberg | Frau | 1 Episode | |
| Isabel García Lorca | Nicolette Röwekamp | Gabrielle | 1 Episode | |
| Albert Hall | Heinz Palm | Galek Sar | 1 Episode | |
| Eric Cord | Michael Erdmann | Gangster | 1 Episode | |
| Michael Rothhaar | Michael Christian | Garvin | 1 Episode | |
| Randy Oglesby | Reinhard Kuhnert | Gelehrter | 1 Episode | |
| Nicholas Krepos | Rolf Marnitz | General Movar | 2 Episoden | |
| Clement von Franckenstein | Karl-Heinz Grewe | Gentleman | 1 Episode | |
| Leo Garcia | Wolfgang Ziffer | Gepäckträger | 1 Episode | |
| Cary-Hiroyuki Tagawa | Martin Keßler | Gerichtsdiener | 1 Episode | |
| Jon DeVries | Bodo Wolf | Gesundheitsminister Granger | 1 Episode | |
| Cristine Rose | Barbara Adolph | Gi'ral | 2 Episoden | |
| Kimberley Cullum | Anja Stadlober | Gia | 1 Episode | |
| Todd Merrill | Frank Hildebrandt | Gleason | 1 Episode | |
| Todd Merrill | Marlon Rosenthal | Gleason | 1 Episode | |
| Marco Rodríguez | Manuel Vaessen | Glin Telle | 1 Episode | |
| Time Winters | Matthias Klages | Glinn Daro | 1 Episode | |
| Colin Mitchell | Werner Ehrlicher | Gorta | 1 Episode | |
| Grainger Hines | Hans-Jürgen Dittberner | Gosheven | 1 Episode | |
| Michael Pataki | Jochen Schröder | Gouvernor Karnas | 1 Episode | |
| Barbara Tarbuck | Barbara Ratthey | Gouvernor Leka Trion | 1 Episode | |
| Wayne Grace | Helmut Krauss | Gouvernor Torak | 1 Episode | |
| Edward Wiley | K.Dieter Klebsch | Gouvernor Vagh | 1 Episode | |
| Michael Reilly Burke | Gösta Knothe | Goval | 1 Episode | |
| Robert O'Reilly | Jan Spitzer | Gowron | 4 Episoden | |
| Stephanie Beacham | Renate Danz | Gräfin Barthalomew | 1 Episode | |
| Christopher Collins | Jürgen Kluckert | Grebnedlog (Pakled) | 1 Episode | |
| Michael Hungerford | Dieter Okras | Grobian | 1 Episode | |
| Caroline Junko King | Sarah Riedel | Guinan (Kind) | 1 Episode | |
| Frank Collison | Eberhard Prüter | Gul Dolak | 1 Episode | |
| Richard Poe | K.Dieter Klebsch | Gul Evek | 2 Episoden | |
| John Durbin | K.Dieter Klebsch | Gul Lemec | 2 Episoden | |
| Marc Alaimo | Gerald Paradies | Gul Macet | 1 Episode | |
| David Warner | Christian Rode | Gul Madred | 2 Episoden | |
| Mark Bramhall | Eckhard Bilz | Gul Nador | 1 Episode | |
| Linda Thorson | Martina Treger | Gul Ocett | 1 Episode | |
| James Louis Watkins | Gerald Paradies | Hagon | 1 Episode | |
| James McIntire | Frank Hildebrandt | Hali | 1 Episode | |
| Dey Young | Marina Krogull | Hannah Bates | 1 Episode | |
| Mark L. Taylor | Oliver Feld | Haritath | 1 Episode | |
| Philip Waller | John-Alexander Döring | Harry Bernard | 1 Episode | |
| Don Mirault | K.Dieter Klebsch | Hayne | 1 Episode | |
| Kirsten Dunst | Kathrin Neusser | Hedril | 1 Episode | |
| Georgia Brown | Edeltraut Elsner | Helena Rozhenko | 1 Episode | |
| Nancy Parsons | Sigrid Lagemann | Herrscherin Marouk | 1 Episode | |
| Jonathan Del Arco | Leon Boden | Hugh | 2 Episoden | |
| Eve Brenner | Hannelore Minkus | Inad | 1 Episode | |
| Sheldon Peters Wolfchild | Dieter Okras | Indianer Joe 'Stürzender Falke' | 1 Episode | |
| Joel Fredericks | Dieter Okras | Ingenieur | 1 Episode | |
| Guy Vardaman | Walter Alich | Ingenieur | 1 Episode | |
| Carolyne Barry | Beate Pfeiffer | Ingenieurin | 1 Episode | |
| Stacie Foster | Daniela Thuar | Ingenieurin Lieutenant Bartel | 1 Episode | |
| Susanna Thompson | Friederike Aust | Insassin Jaya 'Cmdr. Bloom' | 1 Episode | |
| Alan Shearman | Harry Wüstenhagen | Inspector Lestrade | 1 Episode | |
| John Neville | Heinz Fabian | Isaac Newton | 1 Episode | |
| Shay Astar | Sonja Spuhl | Isabella | 1 Episode | |
| Beth Toussaint | Anke Reitzenstein | Ishara Yar | 1 Episode | |
| Henry Woronicz | Dieter Okras | J'Dan | 1 Episode | |
| Doug Wert | Ulrich Johannson | Jack Crusher | 2 Episoden | |
| Michael Aron | Simon Jäger | Jack London | 2 Episoden | |
| William Glover | Fritz Decho | Jacob Marley | 1 Episode | |
| James Cromwell | Alexander Herzog | Jaglom Shrek | 2 Episoden | |
| Stephen Gregory | Andreas Fröhlich | Jake Kurland | 1 Episode | |
| Michelle Phillips | Alexandra Lange | Janice Manheim | 1 Episode | |
| Daniel Roebuck | F.G.M. Stegers | Jaron | 1 Episode | |
| Ken Olandt | Markus Hoffmann | Jason Vigo | 1 Episode | |
| Chris Demetral | Julien Haggège | Jean-Luc / Ethan / Barash | 1 Episode | |
| Gabriel Damon | Kim Hasper | Jeremy Aster | 1 Episode | |
| Pamela Kosh | Christine Gerlach | Jessel | 2 Episoden | |
| Carolyn Allport | Heike Schroetter | Jessica Bradley | 1 Episode | |
| Ben Lemon | Bodo Wolf | Jev | 1 Episode | |
| Heather Lauren Olson | Sonja Spuhl | Jil Orra | 1 Episode | |
| Benjamin Lum | Jürgen Kluckert | Jim Shimoda | 1 Episode | |
| Simon Templeman | Uwe Jellinek | Johann Bates | 1 Episode | |
| Mark La Mura | Norbert Gescher | John Doe | 1 Episode | |
| Albie Selznick | Matthias Klages | Jongleur | 1 Episode | |
| Chad Allen | Simon Jäger | Jono / Jeremiah Rossa | 1 Episode | |
| Don Reilly | Torsten Michaelis | Joret Dal | 1 Episode | |
| Deirdre Imershein | Bea Tober | Joval | 1 Episode | |
| Tracy D'Arcy | Nicolette Röwekamp | junge Frau | 1 Episode | |
| David Birkin | Fabian Schwab | junger Jean-Luc Picard | 1 Episode | |
| David Oliver | Roman Kretschmer | junger Mann | 1 Episode | |
| Alexander Enberg | Gerald Schaale | junger Reporter | 1 Episode | |
| Evelyn Guerro | Diana Borgwardt | junger, weiblicher Fähnrich | 1 Episode | |
| Suzie Plakson | Viola Sauer | K'Ehleyr | 1 Episode | |
| Suzie Plakson | Joseline Gassen | K'Ehleyr | 1 Episode | |
| Charles Cooper | Hans W. Hamacher | K'mpec | 1 Episode | |
| James Sloyan | Roland Hemmo | K'Mtar / Alexander mit 50 | 1 Episode | |
| David Froman | Arnold Marquis | K'Nera | 1 Episode | |
| Ben Slack | Alexander Herzog | K'Tal | 1 Episode | |
| Lance LeGault | Alexander Herzog | K'Temoc | 1 Episode | |
| Walker Brandt | Elisabeth Günther | Kadett Jean Hajar | 1 Episode | |
| Joycelyne O'Brien | Petra Barthel | Kadett Mitena Haro | 1 Episode | |
| Shannon Fill | Nicolette Röwekamp | Kadett Sito Jaxa | 1 Episode | |
| Kevin Conway | Michael Chevalier | Kahless | 1 Episode | |
| Thelma Lee | Barbara Ratthey | Kahlest | 1 Episode | |
| William Newman | Fritz Decho | Kalin Trose | 1 Episode | |
| Shannon Cochran | Gertie Honeck | Kalita | 1 Episode | |
| Famke Janssen | Nicolette Röwekamp | Kamala | 1 Episode | |
| Angelina Fiordellisi | Karin David | Kaminer | 1 Episode | |
| Mickey Cottrell | Ulrich Johannson | Kanzler Alrik | 1 Episode | |
| George Coe | Achim Petry | Kanzler Avel Durken | 1 Episode | |
| Barbara Alyn Woods | Ina Kämpfe | Kareen Brianon | 1 Episode | |
| Edward Penn | Werner Ehrlicher | Kateras | 1 Episode | |
| Jandi Swanson | Anna Predleus | Katie | 1 Episode | |
| Tracey Walter | Wilfried Herbst | Kayron | 1 Episode | |
| Douglas Warhit | Hans-Jürgen Wolf | Kazago (DF: Kazata) | 1 Episode | |
| Scott Marlowe | Dieter Wien | Keeve Falor | 1 Episode | |
| Isis Carmen Jones | Sandra Höft | Keiko als Kind | 1 Episode | |
| Rosalind Chao | Iris Artajo | Keiko O'Brien | 8 Episoden | |
| Ernie Mirich | Ralph Beckmann | Kellner | 1 Episode | |
| Arlee Reed | Joachim Kaps | Kellner | 1 Episode | |
| Marc Bucland | Claus-Peter Damitz | Kellner Katik Shaw | 1 Episode | |
| Marie Marshall | Karin Buchholz | Kelsey | 1 Episode | |
| Richard Allen | Christian Toberentz | Kentor | 1 Episode | |
| James Castle Stevens | Michael Bauer | Kes-Helfer | 1 Episode | |
| John Anderson | Friedrich W. Bauschulte | Kevin Uxbridge | 1 Episode | |
| Williams Denis | Kurt Goldstein | Ki Aloysius Mendrossen | 1 Episode | |
| Vinny Argiro | Friedrich Georg Beckhaus | Killer | 1 Episode | |
| Patricia Tallmann | Maja Dürr | Kiros | 1 Episode | |
| Saul Rubinek | Klaus Jepsen | Kivas Fajo | 1 Episode | |
| Jack Sheldon | Michael Erdmann | Klavierspieler | 1 Episode | |
| Graham Jarvis | Hans Nitschke | Klim Dokachin | 1 Episode | |
| Tom Magee | Frank Hildebrandt | Klingonenteufel Fek'lhr | 1 Episode | |
| Basil Wallace | Tilo Schmitz | klingonische Wache #1 | 1 Episode | |
| Mirron E. Willis | Tilo Schmitz | klingonische Wache #2 | 1 Episode | |
| Tom Ormeny | Karl-Heinz Grewe | klingonischer Erster Offizier | 1 Episode | |
| Bob Smithson | Karl Schulz | klingonischer Offizier | 1 Episode | |
| Roy Brocksmith | Peter Matic | Kolrami | 1 Episode | |
| Joe Piscopo | Uwe Paulsen | Komiker | 1 Episode | |
| James Worthy | Dieter Okras | Koral | 1 Episode | |
| Alan Oppenheimer | Hans W. Hamacher | Koroth | 1 Episode | |
| Stanley Kamel | Norbert Gescher | Kosinski | 1 Episode | |
| Stephen Markle | Michael Telloke | Kova Tholl | 1 Episode | |
| Brad Zerbst | Claus-Peter Damitz | Krankenpfleger | 1 Episode | |
| Brad Zerbst | Jonas Ziegler | Krankenpfleger | 1 Episode | |
| Michael Braveheart | Michael Bauer | Krankenpfleger Martinez | 1 Episode | |
| Patti Tippo | Bea Tober | Krankenschwester Temple | 1 Episode | |
| Leo Damian | Stefan Staudinger | Krieger / Adonis | 1 Episode | |
| Liz Vassey | Maja Dürr | Kristin | 1 Episode | |
| Callan White | Beate Pfeiffer | Krite | 1 Episode | |
| Jordan Lund | Dieter Okras | Kulge | 1 Episode | |
| Tricia O'Neil | Viola Sauer | Kurak | 1 Episode | |
| Tony Todd | Helmut Krauss | Kurn | 3 Episoden | |
| Walter Gotell | Klaus Miedel | Kurt Mandl | 1 Episode | |
| Mitchell Ryan | Joachim Cadenbach | Kyle Riker | 1 Episode | |
| Richard Cox | Mathias Einert | Kyril Finn | 1 Episode | |
| Richard Herd | Imo Heite | L'Kor | 2 Episoden | |
| Tom Jackson | Dieter Memel | Lakanta | 1 Episode | |
| Hallie Todd | Ghadah Al-Akel | Lal | 1 Episode | |
| Leonard John Crofoot | Michael Erdmann | Lal als Android | 1 Episode | |
| Kimberley Farr | Karin David | Langor | 1 Episode | |
| Mike Hagerty | Dieter Okras | Larg | 1 Episode | |
| Robert Harper | Dietmar Richter-Reinick | Lathal Bine | 1 Episode | |
| Michele Marsh | Brita Sommer | Leda | 1 Episode | |
| Steven Einspahr | Michael Tietz | Lehrer | 1 Episode | |
| Jennifer Edwards | Karin David | Lehrerin Kyle | 1 Episode | |
| Andrew Benne | Walter Alich | Lehrling | 1 Episode | |
| Walker Boone | Joachim von Ulmann | Leland T. Lynch | 1 Episode | |
| Armin Shimerman | Wolfgang Ziffer | Letek | 1 Episode | |
| Kevin Peter Hall | Dieter Okras | Leyor | 1 Episode | |
| Jay Louden | Udo Schenk | Liator | 2 Episoden | |
| James Horan | Ulrich Johannson | Lieutenant Barnaby | 1 Episode | |
| Biff Yeager | Bernd Rumpf | Lieutenant Commander Argyle | 1 Episode | |
| Biff Yeager | Gerald Paradies | Lieutenant Commander Argyle | 1 Episode | |
| Seymour Cassel | Eric Vaessen | Lieutenant Commander Hester Dealt | 1 Episode | |
| Tim Lounibos | Andreas Müller | Lieutenant Dan Kwan | 1 Episode | |
| Dan Kern | Matthias Klages | Lieutenant Dean | 1 Episode | |
| Charley Lang | René Hofschneider | Lieutenant Duffy | 1 Episode | |
| Tim Kelleher | Andreas Müller | Lieutenant Gaines | 2 Episoden | |
| Michele Scarabelli | Elvira Schuster | Lieutenant Jenna D'Sora | 1 Episode | |
| Brian Thompson | Kurt Goldstein | Lieutenant Klag | 2 Episoden | |
| Charles Hyman | Alexander Herzog | Lieutenant Konmel | 1 Episode | |
| Gary Armagnac | Ortwin Speer | Lieutenant McNary | 1 Episode | |
| Jana Marie Hupp | Suzanne Vogdt | Lieutenant Monroe | 1 Episode | |
| Nancy Harewood | Elvira Schuster | Lieutenant Nara | 1 Episode | |
| George De La Pena | Ingo Albrecht | Lieutenant Orfil Solis | 1 Episode | |
| Amick Byram | Jonas Ziegler | Lieutenant Paul Hickman | 1 Episode | |
| Dan Gauthier | Michael Deffert | Lieutenant Sam Lavelle | 1 Episode | |
| Derek Webster | Ulrich Johannson | Lieutenant Sanders | 1 Episode | |
| Amy Pietz | Daniela Thuar | Lieutenant Sandra Rhodes | 1 Episode | |
| Scott Trost | Ulrich Johannson | Lieutenant Shipley | 1 Episode | |
| Connie Danese | Eva-Maria Werth | Lieutenant Toya | 1 Episode | |
| Ray Wise | K.Dieter Klebsch | Liko | 1 Episode | |
| Stephanie Erb | Bea Tober | Liva | 1 Episode | |
| Thomas Kopache | Karl-Heinz Grewe | Lokführer | 1 Episode | |
| Paul Eiding | Roland Hemmo | Loquel | 1 Episode | |
| Brent Spiner | Michael Pan | Lore | 4 Episoden | |
| Lenore Kasdorf | Sonja Deutsch | Lorin | 1 Episode | |
| Dennis Creaghan | Michael Telloke | Louis | 1 Episode | |
| Elizabeth Lindsey | Monica Bielenstein | Louisa Kim | 1 Episode | |
| Renée Jones | Nadja Reichardt | Lt. Aquiel Uhnari | 1 Episode | |
| Judyann Elder | Anke Reitzenstein | Lt. Ballard | 1 Episode | |
| Robert Ito | Wilfried Herbst | Lt. Chang | 1 Episode | |
| Robert Schenkkan | Till Hagen | Lt. Cmdr. Dexter Remmick | 2 Episoden | |
| Robert Schenkkan | Bodo Wolf | Lt. Cmdr. Dexter Remmick | 1 Episode | |
| Timothy Carhart | Bodo Wolf | Lt. Cmdr. Hobson | 1 Episode | |
| Wendy Hughes | Viola Sauer | Lt. Cmdr. Neela Daren | 1 Episode | |
| Elizabeth Dennehy | Evelyn Maron | Lt. Cmdr. Shelby | 2 Episoden | |
| Maryann Plunkett | Sabine Sebastian | Lt. Cmdr. Susanna Leitjen | 1 Episode | |
| Ed Lauter | Frank Hildebrandt | Lt. Com. Albert | 1 Episode | |
| Susan Powell | Viola Sauer | Lt. Marla Aster | 1 Episode | |
| Dwight Schultz | Florian Krüger-Shantin | Lt. Reginald Barclay | 5 Episoden | |
| Christopher McDonald | Leon Boden | Lt. Richard Castillo | 1 Episode | |
| Suzie Plakson | Heike Schroetter | Lt. Selar | 1 Episode | |
| Mark Rolston | Frank-Otto Schenk | Lt. Walter Pierce | 1 Episode | |
| Barbara March | Ulrike Johannson | Lursa | 1 Episode | |
| Barbara March | Sabine Sebastian | Lursa | 2 Episoden | |
| Jessie Lawrence Ferguson | Jürgen Kluckert | Lutan | 1 Episode | |
| John Franklyn-Robbins | Werner Ehrlicher | Macias | 1 Episode | |
| Herta Ware | Hannelore Schüler | Maman Picard | 1 Episode | |
| Christopher Michael | Michael Bauer | Mann #1 | 1 Episode | |
| Gina Hecht | Marianne Groß | Manua Apgar | 1 Episode | |
| Norman Large | Michael Christian | Maques | 1 Episode | |
| Kenneth Tigar | Eberhard Prüter | Margan | 1 Episode | |
| Samantha Eggar | Sonja Deutsch | Marie Picard | 1 Episode | |
| J.C. Brandy | Irina von Bentheim | Marta Batanides | 1 Episode | |
| Ron Canada | Jan Spitzer | Martin Benbeck | 1 Episode | |
| Michael Keenan | Imo Heite | Maturin | 1 Episode | |
| Clive Church | Heinz Fabian | Maurice Picard | 1 Episode | |
| David Q. Combs | Bodo Wolf | Mediator #1 | 1 Episode | |
| Richard Lavin | Norbert Schwarz | Mediator #2 | 1 Episode | |
| John Nelson | Dieter Okras | medizinischer Techniker | 1 Episode | |
| Brad Zerbst | Walter Alich | medizinischer Techniker | 1 Episode | |
| Michael Braveheart | Jonas Ziegler | medizintechniker Martinez | 1 Episode | |
| Paul Lambert | Helmut Ahner | Melian | 1 Episode | |
| Jennifer Nash | Maja Dürr | Meribor | 1 Episode | |
| Patrick Stewart | Heinz Palm | Michael Williams | 1 Episode | |
| Greg Beecroft | Stefan Staudinger | Mickey D | 1 Episode | |
| Chuck Hicks | Helmut Krauss | Militäroffizier | 1 Episode | |
| Michael Ensign | Christian Mey | Minister Krola | 1 Episode | |
| Carolyn McCormick | Cornelia Meinhardt | Minuet | 2 Episoden | |
| Carolyn Seymour | Gertie Honeck | Mirasta Yale | 1 Episode | |
| Thomas Kopache | Frank-Otto Schenk | Mirok | 1 Episode | |
| Dawn Armenian | Chris Palm | Miss Gladstone | 1 Episode | |
| John K. Shull | Fritz Decho | Molor | 1 Episode | |
| James Doohan | Kurt Eugen Ludwig | Montgomery 'Scotty' Scott | 1 Episode | |
| Jake Dengel | Harry Wüstenhagen | Mordoc | 1 Episode | |
| John Putch | Peter Flechtner | Mordock | 1 Episode | |
| Michael Snyder | H.H. Müller | Morta | 1 Episode | |
| Carel Struycken | Michael Erdmann | Mr. Homn | 1 Episode | |
| Amick Byram | Wolfgang Ziffer | Mr. Ian Andrew Troi | 1 Episode | |
| Ken Thorley | Dieter Memel | Mr. Mot | 2 Episoden | |
| Marsha Hunt | Barbara Adolph | Mrs. Anne Jameson | 1 Episode | |
| Pamela Kosh | Agi Prandhoff | Mrs. Charmichael | 1 Episode | |
| Cameron Thor | Eberhard Prüter | Narik | 2 Episoden | |
| Clint Carmichael | Kaspar Eichel | Nausikaaner | 1 Episode | |
| Shay Duffin | Werner Ehrlicher | Ned Quint | 1 Episode | |
| Tom Nibley | Michael Tietz | Neil | 1 Episode | |
| Ann Shea | Birgit Edenharter | Nellen Tore | 1 Episode | |
| Peter Marx | Ulli Kinalzik | Nibor | 1 Episode | |
| Robert Duncan McNeill | Boris Tessmann | Nick Locarno | 1 Episode | |
| Megan Cole | Sonja Deutsch | Noor | 1 Episode | |
| John Cothran | Kurt Goldstein | Nu'Daq | 1 Episode | |
| Katy Boyer | Uwe Büschken | Null Eins | 1 Episode | |
| Iva Lane | Uwe Büschken | Null Null | 1 Episode | |
| Kathryn Leigh Scott | Edeltraut Elsner | Nuria | 1 Episode | |
| Franc Luz | Bodo Wolf | Odan | 1 Episode | |
| Estee Chandler | Diana Borgwardt | Oliana Mirren | 1 Episode | |
| Billy Bastiani | Fritz Decho | Omag | 1 Episode | |
| Jeff Hayenga | Dieter Okras | Orta | 1 Episode | |
| Nehemiah Persoff | Jochen Schröder | Palor Toff | 1 Episode | |
| Max Grodénchik | Joachim Kaps | Par Lenor | 1 Episode | |
| Brian Cousins | Matthias Klages | Parem | 1 Episode | |
| Steve Rankin | Michael Erdmann | Patahk | 1 Episode | |
| Rae Norman | Barbara Adolph | Penny Murok | 1 Episode | |
| Joanna Miles | Barbara Adolph | Perrin | 1 Episode | |
| Joanna Miles | Gisela Fritsch | Perrin | 1 Episode | |
| Robertson Dean | Ulrich Johannson | Pilot | 1 Episode | |
| George Edie | Dietmar Richter-Reinick | Poet | 1 Episode | |
| Marc Alaimo | Klaus Münster | Pokerspieler Frederick La Rouque | 1 Episode | |
| William Boyett | Joachim Cadenbach | Polizeichef Dan Bell | 1 Episode | |
| Fred G. Smith | Ralph Beckmann | Polizist | 1 Episode | |
| William Boyett | Werner Ehrlicher | Polizist | 1 Episode | |
| Mike Genovese | Dieter Okras | Polizist an Rezeption | 1 Episode | |
| Alan Altshuld | Mathias Einert | Pomet | 1 Episode | |
| William Lithgow | Werner Ehrlicher | Pran | 1 Episode | |
| James Cromwell | Lothar Mann | Premier-Minister Nayrok | 1 Episode | |
| Jon DeVries | Friedrich Schoenfelder | Premierminister Granger | 1 Episode | |
| Elisabeth Hoffmann | Barbara Adolph | Premierministerin Bawahni | 1 Episode | |
| Matt Frewer | Martin Keßler | Prof. Berlinghoff Rasmussen | 1 Episode | |
| Daniel Davis | Werner Ehrlicher | Prof. James Moriarty | 1 Episode | |
| Daniel Davis | Eckart Dux | Prof. Moriarty | 1 Episode | |
| Norman Lloyd | Peter Groeger | Professor Galen | 1 Episode | |
| Stephen Hawking | Uwe Jellinek | Professor Stephen Hawking | 1 Episode | |
| Norman Large | Stefan Staudinger | Prokonsul Neral | 2 Episoden | |
| Diz White | Chris Palm | Prostituierte | 1 Episode | |
| Patrick Cronin | H.H. Müller | Protokollmeister Erko | 1 Episode | |
| Tom Morga | Andreas Conrad | Prytt | 1 Episode | |
| Corbin Bernsen | Uwe Paulsen | Q2 | 1 Episode | |
| Michael Snyder | Hans-Joachim Leschnitz | Qol | 1 Episode | |
| John P. Connolly | Helmut Ahner | Qrn Lote | 1 Episode | |
| Armin Shimerman | Peter Groeger | Quark | 1 Episode | |
| Michael Corbett | Thomas Nero Wolff | Rabal | 1 Episode | |
| Jerry Hardin | Lothar Mann | Radue | 1 Episode | |
| Peter Mark Richman | Friedrich Georg Beckhaus | Ralph Offenhouse | 1 Episode | |
| Dennis Madalone | Uwe Jellinek | Ramos | 1 Episode | |
| Sam Hennings | Till Hagen | Ramsey | 1 Episode | |
| Brenda Strong | Rebecca Völz | Rashella | 1 Episode | |
| Robert Towers | Michael Erdmann | Rata | 1 Episode | |
| Biff Manard | Lutz Moik | Räuber | 1 Episode | |
| Leslie Morris | Manfred Petersen | Reginod (Pakled) | 1 Episode | |
| Rudolph Willrich | K.Dieter Klebsch | Reittan Grax | 1 Episode | |
| Rod Arrants | Jürgen Kluckert | Rex | 1 Episode | |
| Anne Haney | Christel Merian | Rishon Uxbridge | 1 Episode | |
| Brenda Bakke | Juana von Jascheroff | Rivan | 2 Episoden | |
| Megan Parlen | Sonja Spuhl | Ro Laren als Kind | 1 Episode | |
| Jeremy Kemp | Achim Petry | Robert Picard | 1 Episode | |
| Jeff McCarthy | Uwe Paulsen | Rogar Danar | 1 Episode | |
| Richard Lineback | Matthias Klages | Romas | 1 Episode | |
| John DeMita | Uwe Jellinek | Romulaner | 1 Episode | |
| Michael Bofshever | Dieter Memel | Romulaner / Außerirdischer | 1 Episode | |
| Patricia Tallmann | Carola Ewert | Romulanerin / Außerirdische | 1 Episode | |
| Maurice Roëves | Frank-Otto Schenk | Romulanischer Captain | 1 Episode | |
| Peter Vogt | Dieter Okras | Romulanischer Commander | 1 Episode | |
| Denise Crosby | Birgit Edenharter | Romulanischer Commander Sela | 3 Episoden | |
| Michael Mack | Ulrich Johannson | Romulanischer Commander Sirol | 1 Episode | |
| Daniel Riordan | Gerald Paradies | Rondon | 1 Episode | |
| Duncan Regehr | Michael Christian | Ronin | 1 Episode | |
| Bruce French | Jochen Schröder | Sabin Genestra | 1 Episode | |
| Rocco Sisto | Christian Toberentz | Sakkath | 1 Episode | |
| Benito Martinez | Stefan Meszerits | Salazar | 1 Episode | |
| Jamie Hubbard | Dorette Hugo | Salia | 1 Episode | |
| Jerry Hardin | Peter Groeger | Samuel Clemens | 1 Episode | |
| William Thomas Jr. | Walter Alich | Santos | 1 Episode | |
| Nikki Cox | Giuliana Jakobeit | Sarjenka | 1 Episode | |
| Robert O'Reilly | Michael Erdmann | Scarface | 1 Episode | |
| David Huddleston | Alexander Herzog | Schaffner | 1 Episode | |
| Armin Shimerman | Walter Alich | Schatulle | 1 Episode | |
| Patti Yasutake | Martina Treger | Schwester Alyssa Ogawa (2. Stimme) | 1 Episode | |
| Ken Thorley | Fritz Decho | Seemann | 1 Episode | |
| Albert Strotton | Jürgen Heinrich | Sekretär Kusheil | 1 Episode | |
| Rhonda Aldrich | Madeleine Lierck-Wien | Sekretärin Madeline | 1 Episode | |
| Rhonda Aldrich | Diana Borgwardt | Sekretärin Madeline | 1 Episode | |
| Malachi Throne | Werner Ehrlicher | Senator Pardek | 2 Episoden | |
| Theodore Bikel | Jochen Schröder | Sergej Rozhenko | 1 Episode | |
| Margaret Reed | Karin Grüger | Serova | 1 Episode | |
| James Sloyan | Claus Wilcke | Setol / Admiral Jarok | 1 Episode | |
| Susan Fallender | Almut Zydra | Shalote | 1 Episode | |
| Mart McChesney | Joscha Fischer-Antze | Sheliak | 1 Episode | |
| Martin Goslins | H.H. Müller | Sicherheitsminister Setok | 1 Episode | |
| Andrew Bickell | Dieter Okras | Sicherheitsoffizier Wagnor | 1 Episode | |
| Michael Rider | Michael Bauer | Sicherheitswache | 1 Episode | |
| Elaine Nalee | Beate Pfeiffer | Sigmanische Überlebende | 1 Episode | |
| Bernard Kates | Werner Ehrlicher | Sigmund Freud | 1 Episode | |
| Kavi Raz | Peter Neusser | Singh | 1 Episode | |
| Clive Revill | Gerd Duwner | Sir Guy of Gisbourne | 1 Episode | |
| Mike Hagerty | Imo Heite | Skoran | 1 Episode | |
| Robert Costanzo | Jochen Schröder | Slade Bender | 1 Episode | |
| Judson Scott | Stefan Staudinger | Sobi | 1 Episode | |
| Chip Heller | Michael Erdmann | Solari-Krieger | 1 Episode | |
| John Garrett | Karl-Heinz Grewe | Solari-Lieutenant | 1 Episode | |
| Kim Hamilton | Birgit Edenharter | Songi | 1 Episode | |
| Leon Rippy | Thomas Danneberg | Sonny Clemonds | 1 Episode | |
| Melinda Culea | Martina Treger | Soren | 1 Episode | |
| Max Grodénchik | Joachim Röcker | Sovak | 1 Episode | |
| John Durbin | Marlin Wick | Ssestar | 1 Episode | |
| Glenn Morshower | Walter Alich | Stationsverwalter Orton | 1 Episode | |
| Tim DeZarn | Uwe Jellinek | Statler | 1 Episode | |
| Robert Ellenstein | Heinz Fabian | Steven Miller | 1 Episode | |
| Carolyn Seymour | Beate Pfeiffer | Sub-Commander Taris | 1 Episode | |
| Anthony James | Michael Erdmann | Sub-Commander Thei | 1 Episode | |
| Scott MacDonald | Martin Keßler | Subcommander N'Vek | 1 Episode | |
| Mimi Cozzens | Birgit Edenharter | Suppenfrau | 1 Episode | |
| Merritt Butrick | Benjamin Völz | T'Jon | 2 Episoden | |
| Sierra Pecheur | Barbara Adolph | T'Pel / Sub-Commander Selok | 1 Episode | |
| Tasia Valenza | Nicolette Röwekamp | T'Shanik | 1 Episode | |
| Diedrich Bader | Dieter Okras | Taktik-Offizier | 1 Episode | |
| Timothy Dang | Walter Alich | Taktikoffizier | 2 Episoden | |
| Richard Miro | Ulrich Johannson | Taktischer Offizier Rainer | 1 Episode | |
| Robin Curtis | Martina Treger | Tallera | 2 Episoden | |
| Ronnie Claire Edwards | Renate Rennhack | Talur | 1 Episode | |
| Harry Groener | Klaus-Peter Grap | Tam Elbrun | 1 Episode | |
| Paul Winfield | Fritz Decho | Tamarianischer Captain Dathon | 1 Episode | |
| Richard Allen | Bernd Rumpf | Tamarianischer Erster Offizier | 1 Episode | |
| Vladimir Velasco | Ulrich Johannson | Tan T'su | 1 Episode | |
| David Sage | Michael Chevalier | Tarmin | 1 Episode | |
| Stephen James Carver | Reinhard Scheunemann | Tayar | 1 Episode | |
| Juliana Donald | Iris Artajo | Tayna | 1 Episode | |
| Wyatt Knight | Dieter Okras | Techniker #2 | 1 Episode | |
| Elkanah Burns | Manuel Vaessen | Temarak | 1 Episode | |
| Noble Willingham | Helmut Müller-Lankow | Texas | 1 Episode | |
| David Ogden Stiers | Klaus Sonnenschein | Timicin | 1 Episode | |
| Joshua Harris | Marius Clarén | Timothy | 1 Episode | |
| Michelan Sisti | Fritz Decho | Tol | 1 Episode | |
| Sterling Macer Jr. | Matthias Hinze | Toq | 1 Episode | |
| JD Cullum | Marlon Rosenthal | Toral | 2 Episoden | |
| Norman Snow | Christian Olsen | Torin | 1 Episode | |
| Jimmy Ortega | Roman Kretschmer | Torres | 2 Episoden | |
| Ryan Reid | F.G.M. Stegers | Transporter-Techniker | 1 Episode | |
| George O'Hanlon | Michael Bauer | Transporterchief | 1 Episode | |
| Michael Rider | Jörg Döring | Transporterchief | 5 Episoden | |
| Harley Venton | Ulrich Johannson | Transporterchief Collins | 1 Episode | |
| Lance Spellerberg | Manuel Vaessen | Transporterchief Herbert | 1 Episode | |
| Lance Spellerberg | Jonas Ziegler | Transporterchief Herbert | 1 Episode | |
| April Grace | Birgit Edenharter | Transporterchief Hubbel | 1 Episode | |
| April Grace | Beate Pfeiffer | Transporterchief Hubbell | 1 Episode | |
| J. Downing | Ulrich Johannson | Transporterchief Kelso | 1 Episode | |
| Wren T. Brown | Tom Vogt | Transporterpilot | 1 Episode | |
| Harley Venton | Michael Bauer | Transportertechniker Collins | 1 Episode | |
| Leonard John Crofoot | Manuel Vaessen | Trent | 1 Episode | |
| Barry Kivel | Karl-Heinz Grewe | Türsteher | 1 Episode | |
| Salome Jens | Heidi Weigelt | Ur-Humanoid | 1 Episode | |
| Shelly Desai | Dieter Okras | V'Sal | 1 Episode | |
| Anna Katarina | Beate Pfeiffer | Valeda | 1 Episode | |
| Jill Jacobson | Liane Rudolph | Vanessa | 1 Episode | |
| Susanna Thompson | Suzanne Vogdt | Varel | 1 Episode | |
| Jane Daly | Madeleine Lierck-Wien | Varria | 1 Episode | |
| Jennifer Hetrick | Monica Bielenstein | Vash | 2 Episoden | |
| Laura Drake | Barbara Ratthey | Vekma | 1 Episode | |
| Julie Caitlin Brown | Viola Sauer | Vekor | 2 Episoden | |
| Thomas Knickerbocker | Michael Tietz | Verbrecher Johnny | 1 Episode | |
| Dick Miller | Lothar Köster | Verkäufer Mac | 1 Episode | |
| Michael Bell | Friedrich Georg Beckhaus | Verwalter Zorn | 2 Episoden | |
| Allan Dean Moore | Michael Bauer | Verwundetes Mitglied | 1 Episode | |
| Nan Martin | Sigrid Lagemann | Victoria Miller | 1 Episode | |
| Marc Lawrence | Alexander Herzog | Volnath | 1 Episode | |
| Brian Markinson | Rainer Doering | Vorin | 1 Episode | |
| Eric Pierpoint | Gerhard Mohr | Voval | 1 Episode | |
| Gary Werntz | Gerald Paradies | Wächter Mavek | 1 Episode | |
| Dana Sparks | Maja Dürr | Waffen-Offizier Williams | 1 Episode | |
| George Aguilar | Thomas Petruo | Wakasa | 1 Episode | |
| Marnie Mosiman | Karin David | Weisheit | 1 Episode | |
| William A. Wallace | Mario von Jascheroff | Wesley als Erwachsener | 1 Episode | |
| David Selburg | Martin Keßler | Whalen | 1 Episode | |
| Adam Ryen | Tobias Müller | Willie Potts | 1 Episode | |
| John H. Francis | Thomas Nero Wolff | Wissenschaftler | 1 Episode | |
| Milt Tarver | Hans-Joachim Leschnitz | Wissenschaftler | 1 Episode | |
| Betty Muramoto | Vera Müller-Weidner | Wissenschaftlerin Bre'el | 1 Episode | |
| Raye Birk | Thomas Kästner | Wrenn | 1 Episode | |
| Robert Knepper | Mario von Jascheroff | Wyatt Miller | 1 Episode | |
| Rosalind Allen | Nadja Reichardt | Yanara | 1 Episode | |
| Karole Selmon | Regina Lemnitz | Yareena | 1 Episode | |
| Joel Swetow | Fritz Decho | Yog | 1 Episode | |
| Alan Altshuld | Fritz Decho | Yranac | 2 Episoden | |
| Lisa Wilcox | Marina Krogull | Yuta | 1 Episode | |
| J. Michael Flynn | Leon Boden | Zayner | 1 Episode | |
| John Snyder | Leon Boden | Zenturio Bochra | 1 Episode | |
| (Ron Gans) | Joscha Fischer-Antze | Armus | 2 Episoden | |
| (Majel Barrett) | Beate Pfeiffer | Computerstimme | 2 Episoden | |
| (Majel Barrett) | Chris Palm | Computerstimme | 1 Episode | |
| (Majel Barrett) | Eva-Maria Werth | Computerstimme | 100 Episoden | |
| (Earl Boen) | Thomas Wolff | Nagilum | 1 Episode | |
| (Jason Marsden) | David Nathan | Raymond Marr | 1 Episode | |
| (Denise Crosby) | Almut Zydra | romulanischer Commander Sela | 1 Episode | |
| (N. N.) | Hans W. Hamacher | Captain L. Isao Telaka | 1 Episode | |
| (N. N.) | Hermann Wagner | Edo-Gott | 1 Episode | |
| (N. N.) | Michael Erdmann | Gerichtscomputer | 1 Episode | |
| (N. N.) | Frank-Otto Schenk | Männliche Computerstimme | 2 Episoden | |
| (N. N.) | Michael Erdmann | Quarantänedurchsage | 1 Episode | |
| (N. N.) | Frank-Otto Schenk | Stimme der Lebensform | 1 Episode | |
| (N. N.) | Uwe Jellinek | Transporterchief | 1 Episode | |
