John Donovan Cannon was an American actor. An alumnus of the American Academy of Dramatic Arts in New York City, he is best known for his co-starring role of Chief of Detectives Peter B. Clifford in the television series McCloud with Dennis Weaver from 1970 until 1977, and for his part as the witness Lloyd Chandler who cleared Dr. Richard Kimble in "The Judgment", the series finale of The Fugitive.
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Importing filmography…
| Year | Title | Character | Age at release |
|---|---|---|---|
| 1992 | The Donner PartyMovie | voice | 70 |
| 1990 | Law & OrderSeries | Chet Burton | 68 |
| 1986 | Blacke's MagicSeries | — | 64 |
| 1984 | Murder, She WroteSeries | Sheriff McCoy | 62 |
| 1984 | The MasterSeries | Jason Hunter | 62 |
| 1984 | Call to GlorySeries | General Hampton | 62 |
| 1982 | Remington SteeleSeries | Elliot Walsh | 60 |
| 1982 | Matt HoustonSeries | — | 60 |
| 1982 | Death Wish IIMovie | New York D.A. | 60 |
| 1981 | The Fall GuySeries | — | 59 |
| 1981 | The Adventures of Nellie BlyMovie | Boss James J. Palmer | 59 |
| 1980 | Raise the TitanicMovie | Captain Joe Burke | 58 |
| 1980 | My Kidnapper, My LoveMovie | Lt. Kringler | 58 |
| 1980 | Top of the HillSeries | Frank Langrock | 58 |
| 1979 | Walking Through the FireMovie | Dr. Goodwin | 57 |
| 1979 | B. J. and the BearSeries | — | 57 |
| 1977 | The Hardy Boys / Nancy Drew MysteriesSeries | Jason Fox | 55 |
| 1977 | Testimony of Two MenSeries | Kenton Campion | 55 |
| 1973 | The Dean Martin Celebrity RoastsSeries | Self | 51 |
| 1973 | ScorpioMovie | Filchock | 51 |
| 1971 | Great PerformancesSeries | Tom | 49 |
| 1971 | Alias Smith and JonesSeries | — | 49 |
| 1971 | LawmanMovie | Hurd Price | 49 |
| 1971 | Who Killed the Mysterious Mr. Foster?Movie | Mal Yeager | 49 |
| 1971 | A Memory of Two MondaysMovie | Tom | 49 |
| 1970 | McCloudSeries | Peter Clifford | 48 |
| 1969 | The Thousand Plane RaidMovie | Gen. Palmer | 47 |
| 1969 | The D.A.: Murder OneMovie | Nicholas Devaney | 47 |
| 1969 | Operation HeartbeatMovie | Thomas Jarris | 47 |
| 1969 | Krakatoa, East of JavaMovie | Danzig | 47 |
| 1969 | Heaven with a GunMovie | Mace | 47 |
| 1968 | The Mod SquadSeries | — | 46 |
| 1968 | LancerSeries | — | 46 |
| 1967 | The Guns of Will SonnettSeries | — | 45 |
| 1967 | The InvadersSeries | Peter Kalter | 45 |
| 1967 | Cimarron StripSeries | — | 45 |
| 1967 | Cool Hand LukeMovie | Society Red | 45 |
| 1966 | Mission: ImpossibleSeries | Miklos Klaar | 44 |
| 1965 | The F.B.I.Series | John Graham Evans | 43 |
| 1965 | The Wild Wild WestSeries | — | 43 |
| 1964 | The RoguesSeries | Paul Mannix | 42 |
| 1964 | Profiles in CourageSeries | Sam Houston | 42 |
| 1963 | The FugitiveSeries | Sheriff Todd Collison | 41 |
| 1963 | Bob Hope Presents the Chrysler TheatreSeries | — | 41 |
| 1963 | The FugitiveSeries | Lloyd Chandler | 41 |
| 1963 | The Great AdventureSeries | Clarence King | 41 |
| 1962 | The Alfred Hitchcock HourSeries | Joe Brisson | 40 |
| 1962 | Combat!Series | Ted Slocum | 40 |
| 1962 | Stoney BurkeSeries | — | 40 |
| 1961 | The DefendersSeries | District Attorney | 39 |
| 1959 | BonanzaSeries | Colonel Jim Hudson | 37 |
| 1959 | RawhideSeries | Austin Ware | 37 |
| 1958 | Naked CitySeries | Tom Keary | 36 |
| 1955 | GunsmokeSeries | Pike | 33 |
| 1954 | The Wonderful World of DisneySeries | Paul Durand | 32 |
| 1951 | Hallmark Hall of FameSeries | — | 29 |