
Acting
Born February 2, 1938 · Scranton, Pennsylvania, USA
John Patrick Mahon (February 2, 1938 - May 3, 2020) was an American film, stage and television actor. He was known for Armageddon (1998), L.A. Confidential (1997) and Zodiac (2007).

A Call to Arms
2009

Zodiac
2007

Just Ask My Children
2001

Austin Powers: The Spy Who Shagged Me
1999

Armageddon
1998

L.A. Confidential
1997

The American President
1995

Roswell
1994

Final Shot: The Hank Gathers Story
1992

The People Under the Stairs
1991

One False Move
1991

The Couch Trip
1988

Six Against the Rock
1987

Betrayed by Innocence
1986

Victims for Victims: The Theresa Saldana Story
1984

Someone's Watching Me!
1978

A Killing Affair
1977

Collision Course: Truman vs. MacArthur
1976

The Exorcist
1973