John Finnegan Filmography
- Actor (67 credits)
- Columbo: Columbo Likes the Nightlife (2003) Sean Jarvis
- The Independent (2000) Guard
- Columbo: A Trace of Murder (1997) Barney
- Vegas Vacation (1997) Arty, the Hoover Dam Guide
- Mars Attacks! (1996) Speaker of the House
- Columbo: Strange Bedfellows (1995) Barney
- Last Action Hero (1993) Watch Commander
- Columbo: It's All in the Game (1993) Barney
- Columbo: Columbo and the Murder of a Rock Star (1991) Chief Quentin Corbett
- JFK (1991) Judge Haggerty
- Birch Street Gym (1991) Rudy
- Reasonable Doubts (1991) Billy's Grandfather
- The Knife and Gun Club (1990) Mr. Warshawski
- The Last of the Finest (1990) Tommy Grogan
- Come See the Paradise (1990) Brennan
- Columbo: Columbo Cries Wolf (1990) Police Chief
- Big Man on Campus (1989) Judge Ferguson
- Spellbinder (1988) George, not listed in credits
- Tales from the Hollywood Hills: Pat Hobby Teamed with Genius (1987) Guard #1
- An American Tail (1986) Warren T. Rat
- The Deacon Street Deer (1986) Sidney
- 227 (1985) Senator James
- Big Trouble (1985) Det. Murphy
- The Journey of Natty Gann (1985)
- School Spirit (1985) Pinky Batson
- Love Streams (1984) Taxi Driver
- The Natural (1984) Sam Simpson
- The Hoboken Chicken Emergency (1984)
- Rehearsal for Murder (1982) Damon
- Terror at Alcatraz (1982) Murphy
- Galactica 1980 (1980) Officer in Trauma Room
- Gloria (1980) Frank
- Little Miss Marker (1980) Clerk
- The In-Laws (1979) Deliveryman #1
- The Misadventures of Sheriff Lobo (1979) Teddy
- Bloodbrothers (1978) Bartender
- Nowhere to Run (1978) O'Neil
- Opening Night (1977) Bobby
- Heroes (1977) Mr. Munro
- The Amazing Spider-Man (1977) Male Reporter
- Rich Man, Poor Man - Book II (1976) Reporter
- Rich Man, Poor Man (1976) Jack
- The Lindbergh Kidnapping Case (1976) Artie
- Columbo: Fade in to Murder (1976) Assistant Director
- Columbo: Last Salute to the Commodore (1976) Guard
- The Killing of a Chinese Bookie (1976) Taxi Driver
- Nickelodeon (1976) Kathleen's Director
- Mallory: Circumstantial Evidence (1976) Deputy Marshal Vieter
- One Day at a Time (1975) Man #1
- Conspiracy of Terror (1975) Sgt. Carroll
- Ellery Queen (1975) Elevator Starter
- Capone (1975) N.Y. Police Lt.
- Terror on the 40th Floor (1974) Stark
- Columbo: A Friend in Deed (1974) Lt. Dreyer
- Police Woman (1974) Sgt. Bingham
- A Woman Under the Influence (1974) Clancy
- Savage (1973) Mike
- Columbo: Lovely But Lethal (1973) Sergeant
- Columbo: The Most Dangerous Match (1973) 1st Workman
- The Rookies (1972) Bartender
- Banacek (1972) Lt. Hallohan
- Maude (1972) Bartender
- Columbo: Blueprint for Murder (1972) Carl
- Play It As It Lays (1972) Frank
- All in the Family (1971) Santa Claus
- McCloud (1970) Booking Sergeant
- Columbo (1968) Barney
