Acting
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.
Highest rated appearances
Last Action Hero
as Watch Commander
Big Man on Campus
as Judge Ferguson
Finish Line
as Purdy Hall
An American Tail
as Warren T. Rat (voice)
Big Trouble
as Det. Murphy
The Deacon Street Deer
as Sidney
The Journey of Natty Gann
as Logging Boss
The Hoboken Chicken Emergency
as Policeman
The Natural
as Sam Simpson
Love Streams
as Taxi Driver (Animals)
Terror at Alcatraz
as Murphy
Rehearsal for Murder
as Damon
Gloria
as Frank
Little Miss Marker
as Casino Clerk
The In-Laws
as Deliveryman #1
Bloodbrothers
as Bartender
Nowhere to Run
as O'Neil
Opening Night
as Bobby
Heroes
as Mr. Munro
Lucan
as Jess
Nickelodeon
as Kathleen's Director
Street Killing
as Alex Lesko
The Killing of a Chinese Bookie
as Taxi Driver
Mallory: Circumstantial Evidence
as Deputy Marshal Vieter
Capone
as N.Y. Police Lt.
Conspiracy of Terror
as Sgt. Carroll
Ellery Queen: Too Many Suspects
as Matthew Thomas Cleary
A Woman Under the Influence
as Clancy
Terror on the 40th Floor
as Stark
Play It as It Lays
as Frank
