
John Finnegan
- Known for
- Acting
- Born
- August 18, 1926
- Died
- July 29, 2012
- Birthplace
- New York City, New York, USA
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.
Filmography

The Independent 2000
as Guard

Vegas Vacation 1997
as Hoover Dam Guide

Mars Attacks! 1996
as Speaker of the House

Last Action Hero 1993
as Watch Commander

JFK 1991
as Judge Haggerty

Come See the Paradise 1990
as Brennan
- The Knife and Gun Club
The Knife and Gun Club 1990
as Mr. Warshawski

The Last of the Finest 1990
as Tommy Grogan

Big Man on Campus 1989
as Judge Ferguson

Finish Line 1989
as Purdy Hall

An American Tail 1986
as Warren T. Rat (voice)

Big Trouble 1986
as Det. Murphy

The Deacon Street Deer 1986
as Sidney

The Journey of Natty Gann 1985
as Logging Boss

The Hoboken Chicken Emergency 1984
as Policeman

The Natural 1984
as Sam Simpson

Love Streams 1984
as Taxi Driver (Animals)

Terror at Alcatraz 1982
as Murphy

Rehearsal for Murder 1982
as Damon

Gloria 1980
as Frank

Little Miss Marker 1980
as Casino Clerk

The In-Laws 1979
as Deliveryman #1

Bloodbrothers 1978
as Bartender

Nowhere to Run 1978
as O'Neil

Opening Night 1977
as Bobby

Heroes 1977
as Mr. Munro

Lucan 1977
as Jess

Nickelodeon 1976
as Kathleen's Director

Street Killing 1976
as Alex Lesko

The Killing of a Chinese Bookie 1976
as Taxi Driver

Mallory: Circumstantial Evidence 1976
as Deputy Marshal Vieter

Capone 1975
as N.Y. Police Lt.

Conspiracy of Terror 1975
as Sgt. Carroll

Ellery Queen: Too Many Suspects 1975
as Matthew Thomas Cleary

A Woman Under the Influence 1974
as Clancy

Terror on the 40th Floor 1974
as Stark

Play It as It Lays 1972
as Frank
Credits from TMDB.