John Donovan Cannon graduated from high school in his hometown of Salmon, Idaho, in 1940. His subsequent studies at the Academy of Dramatic Arts were interrupted as a result of wartime military service from 1942 to 1945. After the war, Cannon returned to New York to complete his training and acting on the stage, both on and off-Broadway, trying ...
Nominated for 1 Primetime Emmy.
| Movie | 12th Annual Screen Actors Guild Awards | Unknown | 2006-01-29 |
| Movie | The Way West | Unknown | 1995 |
| Series | Law & Order | Unknown | 1990-09-13 |
| Movie | The Return of Sam McCloud | Unknown | 1989 |
| Movie | The Road Raiders | Unknown | 1989 |
| Series | American Experience | Unknown | 1988-10-04 |
| Series | The Highwayman | Unknown | 1988 |
| Movie | Street Justice | Unknown | 1987 |
| Series | Blacke's Magic | Unknown | 1986 |
| Series | Remington Steele | Unknown | 1986 |
| Series | Call to Glory | Unknown | 1985 |
| Series | Murder, She Wrote | Unknown | 1984-09-30 |
| Series | The Master | Unknown | 1984 |
| Series | Matt Houston | Unknown | 1982 |
| Movie | Death Wish II | Unknown | 1982 |
| Movie | Beyond Witch Mountain | Unknown | 1982 |
| Movie | Rooster | Chief Willard T. Coburn | 1982-08-19 |
| Movie | The Adventures of Nellie Bly | Unknown | 1981 |
| Series | The Fall Guy | Unknown | 1981-11-04 |
| Movie | Ike: The War Years | Unknown | 1980 |
| Movie | Top of the Hill | Unknown | 1980 |
| Movie | My Kidnapper, My Love | Unknown | 1980 |
| Movie | Pleasure Palace | Unknown | 1980 |
| Movie | Raise the Titanic | Unknown | 1980 |
| Movie | Walking Through the Fire | Unknown | 1979 |
| Movie | The Concorde... Airport '79 | Unknown | 1979 |
| Series | Ike: The War Years | Unknown | 1979 |
| Series | The Misadventures of Sheriff Lobo | Unknown | 1979 |
| Series | The Hardy Boys/Nancy Drew Mysteries | Unknown | 1978 |
| Series | Sword of Justice | Unknown | 1978 |
| Movie | A Double Life | Unknown | 1978 |
| Series | B.J. and the Bear | Unknown | 1978-10-04 |
| Movie | Killing Stone | Unknown | 1978 |
| Series | Fantasy Island | Unknown | 1977-01-14 |
| Movie | The Court-Martial of George Armstrong Custer | Unknown | 1977 |
| Series | Testimony of Two Men | Unknown | 1977 |
| Movie | Dean Martin Celebrity Roast: Dennis Weaver | Unknown | 1976 |
| Movie | Wedding Band | Unknown | 1974 |
| Movie | Scorpio | Unknown | 1973 |
| Movie | Lady Luck | Unknown | 1973 |
| Series | Alias Smith and Jones | Unknown | 1972 |
| Series | Great Performances | Unknown | 1972-11-04 |
| Movie | Cannon | Unknown | 1971 |
| Movie | Lawman | Unknown | 1971 |
| Movie | Who Killed the Mysterious Mr. Foster? | Unknown | 1971 |
| Series | McCloud | Peter B. Clifford / ... | 1970-09-16 |
| Movie | Cotton Comes to Harlem | Unknown | 1970 |
| Movie | Neither Are We Enemies | Unknown | 1970 |
| Movie | Heaven with a Gun | Unknown | 1969 |
| Movie | D.A.: Murder One | Unknown | 1969 |
| Series | The Guns of Will Sonnett | Unknown | 1969 |
| Movie | The Thousand Plane Raid | Unknown | 1969 |
| Series | Medical Center | Unknown | 1969-09-24 |
| Movie | Krakatoa: East of Java | Unknown | 1968 |
| Series | Lancer | Unknown | 1968-09-24 |
| Series | The Name of the Game | Unknown | 1968-09-20 |
| Series | Mod Squad | Unknown | 1968-09-24 |
| Series | The Invaders | Unknown | 1967-01-10 |
| Series | Cimarron Strip | Unknown | 1967-09-07 |
| Movie | Cool Hand Luke | Unknown | 1967 |
| Series | A Man Called Shenandoah | Unknown | 1966 |
| Series | The Trials of O'Brien | Unknown | 1966 |
| Series | The F.B.I. | Unknown | 1966 |
| Series | Shane | Unknown | 1966-09-10 |
| Series | Iron Horse | Unknown | 1966-09-12 |
| Movie | See You in Hell, Darling | Unknown | 1966 |
| Series | The Wild Wild West | Unknown | 1966 |
| Series | Mission: Impossible | Unknown | 1966-09-17 |
| Series | Bob Hope Presents the Chrysler Theatre | Unknown | 1965 |
| Movie | Memorandum for a Spy | Dr. Webb | 1965-04-02 |
| Series | The Rogues | Unknown | 1965 |
| Series | Seaway | Unknown | 1965-09-15 |
| Series | The Doctors and the Nurses | Unknown | 1964 |
| Series | The Fugitive | Unknown | 1964 |
| Series | Profiles in Courage | Unknown | 1964 |
| Series | Voyage to the Bottom of the Sea | Unknown | 1964 |
| Movie | Fanfare for a Death Scene | Unknown | 1964 |
| Series | 12 O'Clock High | Unknown | 1964-09-18 |
| Series | East Side/West Side | Unknown | 1963-09-23 |
| Series | Wagon Train | Unknown | 1963 |
| Series | The Great Adventure | Unknown | 1963 |
| Series | The Alfred Hitchcock Hour | Unknown | 1962-09-20 |
| Series | Combat! | Unknown | 1962-10-02 |
| Series | The Virginian | Unknown | 1962 |
| Series | The Defenders | Unknown | 1962 |
| Series | Stoney Burke | Unknown | 1962 |
| Series | Bonanza | Unknown | 1961 |
| Series | Rawhide | Unknown | 1961 |
| Movie | Romanticism in Music | Unknown | 1961 |
| Series | Play of the Week | Unknown | 1959 |
| Series | Naked City | Unknown | 1959 |
| Series | The Untouchables | Unknown | 1959-10-15 |
| Series | The Phil Silvers Show | Unknown | 1955-09-20 |
| Series | Gunsmoke | Unknown | 1955-09-10 |
| Series | Omnibus | Unknown | 1954 |
| Series | Walt Disney's Wonderful World of Color | Unknown | 1954-10-27 |
| Series | The Catholic Hour | Unknown | 1953-01-04 |
| Series | The United States Steel Hour | Unknown | 1953-10-27 |