John Finnegan
actor,miscellaneous
- Gender: Male
- Birthday: 1926-08-18
- Day of Death: 2012-07-29 ( 86 years old )
- Place of Birth: New York, New York, USA
- Also Known As: John Finnegan
- IMDB:nm0278201
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.