John Finnegan
- Known for
- Acting
- Born
- 18 August 1926 · New York City, New York, USA
- Died
- 29 July 2012
John P. "J.P." Finnegan was an American film and television actor, mostly known for his recurrent role on the American crime fiction series Columbo. He voiced the villainous character Warren T. Rat in the 1986 Don Bluth film An American Tail.
Known for
Acting 37
- 2000The Independent as Guard
- 1997Vegas Vacation as Hoover Dam Guide
- 1996Mars Attacks! as Speaker of the House
- 1993Last Action Hero as Watch Commander
- 1991JFK as Judge Haggerty
- 1990Come See the Paradise as Brennan
- 1990The Knife and Gun Club as Mr. Warshawski
- 1990The Last of the Finest as Tommy Grogan
- 1989Big Man on Campus as Judge Ferguson
- 1989Finish Line as Purdy Hall
- 1986An American Tail as Warren T. Rat (voice)
- 1986Big Trouble as Det. Murphy
- 1986The Deacon Street Deer as Sidney
- 1985The Journey of Natty Gann as Logging Boss
- 1984The Hoboken Chicken Emergency as Policeman
- 1984The Natural as Sam Simpson
- 1984Love Streams as Taxi Driver (Animals)
- 1982Terror at Alcatraz as Murphy
- 1982Rehearsal for Murder as Damon
- 1980Gloria as Frank
- 1980Little Miss Marker as Casino Clerk
- 1979The In-Laws as Deliveryman #1
- 1978Bloodbrothers as Bartender
- 1978Nowhere to Run as O'Neil
- 1977Opening Night as Bobby
- 1977Heroes as Mr. Munro
- 1977Lucan as Jess
- 1976Nickelodeon as Kathleen's Director
- 1976Street Killing as Alex Lesko
- 1976The Killing of a Chinese Bookie as Taxi Driver
- 1976Mallory: Circumstantial Evidence as Deputy Marshal Vieter
- 1975Capone as N.Y. Police Lt.
- 1975Conspiracy of Terror as Sgt. Carroll
- 1975Ellery Queen: Too Many Suspects as Matthew Thomas Cleary
- 1974A Woman Under the Influence as Clancy
- 1974Terror on the 40th Floor as Stark
- 1972Play It as It Lays as Frank