
Acting
Born August 18, 1926 · 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.

The Independent
2000

Vegas Vacation
1997

Mars Attacks!
1996

Last Action Hero
1993

JFK
1991

Come See the Paradise
1990
The Knife and Gun Club
1990

The Last of the Finest
1990

Big Man on Campus
1989

Finish Line
1989

An American Tail
1986

Big Trouble
1986

The Deacon Street Deer
1986

The Journey of Natty Gann
1985

The Hoboken Chicken Emergency
1984

The Natural
1984

Love Streams
1984

Terror at Alcatraz
1982

Rehearsal for Murder
1982

Gloria
1980

Little Miss Marker
1980

The In-Laws
1979

Bloodbrothers
1978

Nowhere to Run
1978

Opening Night
1977

Heroes
1977

Lucan
1977

Nickelodeon
1976

Street Killing
1976

The Killing of a Chinese Bookie
1976

Mallory: Circumstantial Evidence
1976

Capone
1975

Conspiracy of Terror
1975

Ellery Queen: Too Many Suspects
1975

A Woman Under the Influence
1974

Terror on the 40th Floor
1974

Play It as It Lays
1972