John Finnegan

Born: 18th of August 1926

Died: 29th of July 2012 (aged 85)

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.