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.
TV credits
Rated 7.2 out of 10
Beyond Belief: Fact or Fiction
1997
Rated 7.8 out of 10
ER
1994
Rated 7.1 out of 10
Matlock
1986
Rated 7.5 out of 10
Murder, She Wrote
1984
Rated 6.3 out of 10
The Amazing Spider-Man
1978
Rated 7.5 out of 10
Quincy, M.E.
1976
Rated 8.3 out of 10
Rich Man, Poor Man - Book II
1976
Rated 8.4 out of 10
Banacek
1972
Rated 8.1 out of 10
Columbo
1971
Rated 7.2 out of 10
McCloud
1970