Biography

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

★6.4

Mars Attacks!

1996

★6.5

Last Action Hero

1993

★7.6

JFK

1991

★6.8

An American Tail

1986

★7.8

ER

1994

★8.1

Columbo

1971

★6.0

Vegas Vacation

1997

★6.9

The Natural

1984

★7.7

A Woman Under the Influence

1974

★7.5

Murder, She Wrote

1984

★7.0

The Killing of a Chinese Bookie

1976

★6.9

Gloria

1980

★7.6

Opening Night

1977

★6.8

The Journey of Natty Gann

1985

★7.2

Love Streams

1984

★7.0

Matlock

1986

★6.6

The In-Laws

1979

★7.5

Quincy, M.E.

1976

★5.9

Capone

1975

★6.2

Come See the Paradise

1990

★6.0

Nickelodeon

1976

★7.2

McCloud

1970

★6.6

Little Miss Marker

1980