John Petlock Filmography
- Actor (48 credits)
- The Computer Wore Tennis Shoes (1995) Maitre d'
- Ned and Stacey (1995) Culhane
- Get Smart (1995) Ivan Buttinoff
- Women of the House (1995) Chairman
- Escape to Witch Mountain (1995) Butler
- Father and Scout (1994) Doctor
- Weird Science (1994) FBI Director
- The 5 Mrs. Buchanans (1994) Mr. Russell
- Dr. Quinn, Medicine Woman (1993) Top Hat #2
- Columbo: It's All in the Game (1993) Male Guest
- Columbo: A Bird in the Hand ... (1992) Medical Examiner
- Homefront (1991) Mr. Cooke
- The Last to Go (1991)
- Reasonable Doubts (1991) Judge #2
- Sporting Chance (1990) Waiter
- Fall from Grace (1990) Technical Engineer
- True Colors (1990)
- The Fresh Prince of Bel-Air (1990) Henry Furth
- Columbo: Murder in Malibu (1990) Plainclothesman #2
- Gross Anatomy (1989) Interviewing Professor
- Dead Man Walking (1988) Mr. Shahn
- Baby M (1988) Noel Keane
- Out of This World (1987) Man
- Hooperman (1987)
- Nutcracker: Money, Madness & Murder (1987)
- Beauty and the Beast (1987) Dr. Sanderle
- Perfect Strangers (1986) Minister
- Designing Women (1986) Dr. Mitchell
- Brothers-in-Law (1985) Calvin
- Copacabana (1985) Man in Lounge
- The Atlanta Child Murders (1985) Pathologist
- Crazy Like a Fox (1984) Hotel Clerk
- Murder, She Wrote (1984) Man
- Cover Up (1984) Mr. Roberts
- Two Kinds of Love (1983) Brubaker
- Family Ties (1982) Ted Waterman
- Forbidden Love (1982) Phillip Norman
- The Silent Lovers (1980) Asst. Director
- Cheech and Chong's Next Movie (1980) Client
- The Last Resort (1979) Doctor
- Samurai (1979) Accountant
- Mrs. Columbo (1979) Edward Franklin
- The Critical List (1978)
- The Incredible Hulk (1978) Dr. Caldwell
- Taxi (1978) Chairman of the Board
- Lou Grant (1977) Counsel
- Mary Tyler Moore (1970) Stage Manager
- Columbo (1968) Male Guest
