John Donovan Cannon is best remembered for his role as New York City police detective Peter B. Clifford on the television series McCloud.
| Episode |
Mission: Impossible Action! |
1967 |
| Episode |
The F.B.I. Flight Plan |
1967 |
| Episode |
Alias Smith and Jones Wrong Train to Brimstone |
1971 |
| Episode |
The Misadventures of Sheriff Lobo Run for the Money (2) |
1979 |
| Episode |
Matt Houston The Centerfold Murders |
1983 |
| Episode |
The Misadventures of Sheriff Lobo Run for the Money (3) |
1979 |
| Episode |
The Untouchables The Cooker in the Sky |
1962 |
| Episode |
Alias Smith and Jones The Reformation of Harry Briscoe |
1971 |
| Episode |
The F.B.I. The Man Who Went Mad by Mistake |
1966 |
| Episode |
Alias Smith and Jones The Men That Corrupted Hadleyburg |
1972 |
| Episode |
Alias Smith and Jones The Legacy of Charlie O'Rourke |
1971 |
| Episode |
Seaway Mutiny |
1965 |
| Episode |
Remington Steele Hounded Steele |
1984 |
| Episode |
East Side/West Side One Drink at a Time |
1964 |
| Episode |
Wagon Train The Abel Weatherly Story |
1963 |
| Episode |
B.J. and the Bear Run for the Money (1) |
1979 |
| Episode |
A Man Called Shenandoah End of a Legend |
1966 |
| Episode |
The Fall Guy Soldiers of Misfortune |
1982 |
| Episode |
The F.B.I. The Runaways |
1968 |
| Episode |
Cannon Pilot |
1971 |
| Episode |
The Fugitive The Judgment (2) |
1967 |
| Episode |
The Invaders The Organization |
1968 |
| Episode |
Murder, She Wrote Funeral at Fifty-Mile |
1985 |
| Episode |
Matt Houston The Ghost of Carter Gault |
1983 |
| Episode |
Rawhide Piney |
1964 |
| Episode |
Gunsmoke MacGraw |
1969 |
| Episode |
Combat! The Quiet Warrior |
1963 |
| Episode |
Stoney Burke Weapons Man |
1963 |
| Episode |
The Untouchables The Man in the Cooler |
1963 |
| Episode |
Alias Smith and Jones The Long Chase |
1972 |
| Episode |
Law & Order The Secret Sharers |
1991 |
| Episode |
Murder, She Wrote Unfinished Business |
1986 |
| Episode |
The Alfred Hitchcock Hour Completely Foolproof |
1965 |
| Episode |
B.J. and the Bear Run for the Money (2) |
1979 |
| Episode |
The Wild Wild West The Night of the Deadly Bed |
1965 |
| Episode |
Rawhide The Book |
1965 |
| Episode |
The Iron Horse Dry Run To Glory |
1968 |
| Episode |
Remington Steele Steele in the News |
1983 |
| Episode |
The Invaders Beachhead |
1967 |
| Episode |
B.J. and the Bear Cain's Cruiser |
1979 |
| Episode |
The Fugitive Middle of a Heat Wave |
1965 |
| Episode |
The Rogues The Boston Money Party |
1964 |
| Episode |
Gunsmoke Big Man, Big Target |
1964 |
| Episode |
Blacke's Magic Address Unknown |
1986 |
| Episode |
Deadline Wetback |
1961 |
| Episode |
Naked City C3H5(NO3)3 |
1961 |
| Episode |
B.J. and the Bear Run for the Money (3) |
1979 |
| Episode |
The Guns of Will Sonnett Find a Sonnett, Kill a Sonnett |
1967 |
