John Mahon
Acting • Born 1938-02-02 – Died 2020-05-03
Biography
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
56 credits
A Call to Arms
Movie • 2009
Major General Cosgrove USMC
The Couch Trip
Movie • 1988
Police Captain
A Killing Affair
Movie • 1977
Det. Shoup
Someone's Watching Me!
Movie • 1978
Frimsin
The American President
Movie • 1995
Chairman of the Joint Chiefs
Collision Course: Truman vs. MacArthur
Movie • 1976
Gen. Hoyt Vandenberg
Six Against the Rock
Movie • 1987
Officer Bill Miller
Victims for Victims: The Theresa Saldana Story
Movie • 1984
One False Move
Movie • 1991
Chief Jenkins
Final Shot: The Hank Gathers Story
Movie • 1992
LMU Coach
The People Under the Stairs
Movie • 1991
Police Sergeant
L.A. Confidential
Movie • 1997
Police Chief
Armageddon
Movie • 1998
Karl
Just Ask My Children
Movie • 2001
Judge Ferguson
Betrayed by Innocence
Movie • 1986
Bailiff
Austin Powers: The Spy Who Shagged Me
Movie • 1999
NATO Colonel
The Exorcist
Movie • 1973
Language Lab Director
Zodiac
Movie • 2007
Riverside Captain
Roswell
Movie • 1994
Red Hat Vet
JAG
TV • 1995
Admiral Rockerly
Zoey 101
TV • 2005
Mr. Bradford
Crossing Jordan
TV • 2001
Police Captain
Diagnosis: Murder
TV • 1993
Fire Chief
The X-Files
TV • 1993
General Wegman
The Rockford Files
TV • 1974
Todd Morris
Baywatch
TV • 1989
Arnold Anderson
Frasier
TV • 1993
Walt Crane
Crazy like a Fox
TV • 1984
Lt. Doyle
Angel
TV • 1999
Trevor Lockley
Profiler
TV • 1996
Det. Spitz
Jake and the Fatman
TV • 1987
Jameson
The Pretender
TV • 1996
Eugene Clark
MacGyver
TV • 1985
Vendor
Manimal
TV • 1983
Man
Hunter
TV • 1984
I.A.D. Officer #2
Scarecrow and Mrs. King
TV • 1983
Kojak
TV • 1973
Lawton
Police Woman
TV • 1974
Fireman
Hill Street Blues
TV • 1981
Mario
St. Elsewhere
TV • 1982
Police Officer
Hill Street Blues
TV • 1981
Detective McConnell
Kojak
TV • 1973
I. A. D. Man
Knight Rider
TV • 1982
Alfie Girdler
Crazy like a Fox
TV • 1984
Zach
The Rockford Files
TV • 1974
Victor Sherman
Star Trek: Enterprise
TV • 2001
Admiral Gardner
Just Shoot Me!
TV • 1997
Col. Alan Drake
Misfits of Science
TV • 1985
Technician
Flesh 'n' Blood
TV • 1991
Holly's Dad
Touched by an Angel
TV • 1994
Wally
Knots Landing
TV • 1979
Surveillant
Knots Landing
TV • 1979
Superior
Knots Landing
TV • 1979
Investigator
T. J. Hooker
TV • 1982
Mr. Zewecki
The Division
TV • 2001
Barry Constansas
Arli$$
TV • 1996
Bert Shaw