Before her career took off, Cannon was married toCary Grant for three years and gave birth to his only child, daughterJennifer. Reluctant to discuss the marriage since their 1968 divorce, Cannon initially turned down publishing deals following Grant's death in 1986. Her memoirDear Cary was published in 2011 and became aNew York Times Best Seller. In 2023, the book was adapted into a miniseries calledArchie with Cannon executive producing.
Cannon was born Samille Diane Friesen inTacoma, Washington, on January 4, 1937, the daughter of housewife Claire (née Portnoy) and life insurance salesman Ben Friesen.[1][2][3][4][a] She was raised in the Jewish faith of her mother, who was an immigrant from Ukraine; her father was a Mennonite of Dutch-Canadian ancestry.[8][9][10] Her younger brother is jazz musicianDavid Friesen. When Cannon was 10, the family moved eastward toSpokane, Washington; they returned to the Pacific coast four years later, settling in Seattle.[11][12] Cannon attendedWest Seattle High School and was crowned Miss West Seattle in 1954.[13] She spent two-and-a-half semesters at theUniversity of Washington, majoring in anthropology.[14][15]
In 1956, Cannon dropped out of college and went to live with her aunt Sally inPhoenix, Arizona, where she took a job atMerrill Lynch & Co.[16][17] Courted by nightclub owner Sonny Orling, then 32, she got engaged and followed him toBeverly Hills, California.[17][18] They soon parted, but she decided to stay in the area and enroll atUCLA.[17] A part-time modeling job led to an interview with producerJerry Wald, who suggested she change her professional last name to Cannon.[b] She signed toMGM, doing promotional work for the filmLes Girls (1957), and studied with acting teacherSanford Meisner.[16][19]
In 1964 she guest-starred onGunsmoke, playing Ivy Norton, an abused daughter looking to marry the man she loves in the episode "Aunt Thede". She portrayed Mona Elliott in the episode "The Man Behind the Man" of the 1964 CBS drama seriesThe Reporter and had a regular role on the short-lived daytime soap operaFull Circle. Cannon also made guest appearances on77 Sunset Strip,The Untouchables,Tombstone Territory, the 1960 episode "Sheriff of the Town" of the first-run syndicated Western seriesTwo Faces West withWalter Coy as Cauter, and the 1962Ripcord episode "The Helicopter Race" as Ripcord Inc.'s secretary and receptionist Marion Hines. She landed another role in a feature withThe Murder Game (1965), then took four years off.
Cannon, who is also a singer/songwriter, starred in her own musical stage act atCaesars Palace in Las Vegas andHarrah's Lake Tahoe during the mid-1970s. She then enrolled in the American Film Institute'sDirecting Workshop for Women. She became the first Oscar-nominated actress to be nominated in the Best Short Film, Live Action category forNumber One (1976), a project which Cannon produced, directed, wrote, and edited. It was a story about adolescent sexual curiosity.[26] In 1978, Cannon co-starred inRevenge of the Pink Panther. That same year, she appeared inHeaven Can Wait, for which she received another Oscar nomination and won a Golden Globe Award for Best Supporting Actress.
In 2005, she appeared inBoynton Beach Club, a movie about aging Floridians who have just lost their spouses; Cannon's real-life exMichael Nouri played her love interest. Her later roles includedA Kiss at Midnight (2008) forHallmark and the unaired pilotWomen Without Men (2010) withLorraine Bracco andPenny Marshall. She wrote and directed another short,Unleashed (2010). Cannon returned to the stage to star in a 2013 production ofKen Ludwig'sThe Fox on the Fairway inOverland Park, Kansas.[15] After a hiatus from the screen, she acted in theequestrian-themed family filmHope's Legacy (2021). Forgoing its scheduled opening at Baltimore'sSenator Theatre due to theCOVID-19 pandemic, the film was instead released to streaming platforms.[32][33]
Cannon published a bestselling memoir,Dear Cary: My Life with Cary Grant, in 2011.[34] She had previously been approached bySwifty Lazar to write about her late ex-husband in 1986, turning down "millions", and declined another publishing offer some years later fromJacqueline Kennedy Onassis, stating that healing was still needed.[35] Cannon served as executive producer of a four-part miniseries based on her book, entitledArchie, which premiered onBritBox in 2023 and starsJason Isaacs as Grant andLaura Aikman as Cannon.[36]
In 1961, Cannon began dating actorCary Grant, who was 33 years her senior.[38] They married on July 22, 1965, and had one daughter,Jennifer (b. February 26, 1966). Cannon filed for divorce in September 1967, and it was finalized on March 21, 1968.[39]
Cannon married a second time on April 18, 1985, to lawyer-turned-real estate investor Stanley Fimberg.[40] They divorced in 1991.[41] In 2024, Cannon said Fimberg and she are still friendly.[42]
Cannon has also been in relationships with comedianMort Sahl, talent agent Ron Weisner, and sculptor Carl Hartman, as well as producers Murray Shostak and Leonard Rabinowitz, directorsJerry Schatzberg andHal Ashby, and actorsArmand Assante, Hy Chase,Ron Ely andMichael Nouri.[29][31][43][44][45] She remains friendly with Nouri and accompanied him to a premiere four decades after their breakup.[46] In 2025, Cannon told a reporter forPeople magazine that she has severalfriends with benefits.[47] She later clarified that she had misunderstood the term.[48]
In 1972, Cannon revealed that she engaged inprimal therapy.[49] She also dabbled inmetaphysics and got kicked out ofEsalen.[50] Cannon smoked three packs of cigarettes a day until 1971; she decided to stop after reading the habit would dull her libido.[51] She was avegetarian for a long time, but quit that too.[52][53]
Cannon's experience as a single mother led to her becoming national spokeswoman forBig Brothers Big Sisters of America, which provides emotional support and companionship for children of one-parent homes.[62] She paid for the tombstone of slain runaway Alyssa Margie 'Raven' Gomez, whom she'd met while making a documentary about homelessness.[63] Cannon has used her celebrity to benefit other charitable organizations, such asSpecial Olympics, for mentally and physically disabled athletes.[13]
^During a 2025 visit to theWhite House, Cannon was stopped bySecret Service agents over a discrepancy on her passport, which lists her birth year as 1939.[5] Cannon admitted to falsifying the date when she originally filled out the paperwork—a common practice in pre-internet times, as there was no way to fact-check. Even her mother's reported date of birth varies on official documents.[6][7]
^She adopted the spelling "Dyan" later on, when she read a notice about herself which was written that way in Rome'sCelebrity News and liked it.[16]