John Finnegan

John P. "J.P." Finnegan (August 18, 1926 – July 29, 2012) 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 Don Bluth’s 1986 film An American Tail. A friend of director/actor John Cassavetes, Finnegan appeared in five of his films, including A Woman Under the Influence (1974), Gloria (1980) and Big Trouble (1986), which also starred Columbo star Peter Falk. He also appeared in Heroes (1977), The Natural (1984), School Spirit (1985), Big Man on Campus (1989) and Come See the Paradise (1990), and portrayed Judge Edward A. Haggerty in Oliver Stone's JFK (1991).