
John Mahon
- Known for
- Acting
- Born
- February 2, 1938
- Died
- May 3, 2020
- Birthplace
- 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).
Filmography

Star Trek: Enterprise - In a Mirror, Darkly 2014
as Adm. Gardner (Mirror)

A Call to Arms 2009
as Major General Cosgrove USMC

Zodiac 2007
as Riverside Captain

Just Ask My Children 2001
as Judge Ferguson

Austin Powers: The Spy Who Shagged Me 1999
as NATO Colonel

Armageddon 1998
as Karl

L.A. Confidential 1997
as Police Chief

The American President 1995
as Chairman of the Joint Chiefs

Roswell 1994
as Red Hat Vet

One False Move 1992
as Chief Jenkins

Final Shot: The Hank Gathers Story 1992
as LMU Coach

The People Under the Stairs 1991
as Police Sergeant

The Couch Trip 1988
as Police Captain

Six Against the Rock 1987
as Officer Bill Miller

Betrayed by Innocence 1986
as Bailiff

Victims for Victims: The Theresa Saldana Story 1984
Actor

Someone's Watching Me! 1978
as Frimsin

A Killing Affair 1977
as Det. Shoup

Collision Course: Truman vs. MacArthur 1976
as Gen. Hoyt Vandenberg

The Exorcist 1973
as Language Lab Director
Credits from TMDB.