John Mahon

Known for: Acting

Born: 1938-02-02 – 2020-05-03 (aged 82)

From: 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 (50)

MOVIE★ 6.0
A Call to Arms
2009
as Major General Cosgrove USMC
MOVIE★ 7.5
Zodiac
2007
as Riverside Captain
TV★ 8.1
Zoey 101
2005
as Mr. Bradford
TV★ 7.5
Star Trek: Enterprise
2001
as Admiral Gardner
TV★ 7.2
Crossing Jordan
2001
as Police Captain
MOVIE★ 6.8
Just Ask My Children
2001
as Judge Ferguson
TV★ 7.1
The Division
2001
as Barry Constansas
TV★ 7.9
Angel
1999
as Trevor Lockley
MOVIE★ 6.3
Austin Powers: The Spy Who Shagged Me
1999
as NATO Colonel
MOVIE★ 6.8
Armageddon
1998
as Karl
MOVIE★ 7.8
L.A. Confidential
1997
as Police Chief
TV★ 6.6
Just Shoot Me!
1997
as Col. Alan Drake
TV★ 7.0
Profiler
1996
as Det. Spitz
TV★ 7.4
The Pretender
1996
as Eugene Clark
TV★ 6.8
Arli$$
1996
as Bert Shaw
MOVIE★ 6.5
The American President
1995
as Chairman of the Joint Chiefs
TV★ 7.3
JAG
1995
as Admiral Rockerly
TV★ 7.2
Touched by an Angel
1994
as Wally
MOVIE★ 6.1
Roswell
1994
as Red Hat Vet
TV★ 7.1
Diagnosis: Murder
1993
as Fire Chief
TV★ 7.7
Frasier
1993
as Walt Crane
TV★ 8.4
The X-Files
1993
as General Wegman
MOVIE★ 6.7
One False Move
1992
as Chief Jenkins
MOVIE★ 10.0
Final Shot: The Hank Gathers Story
1992
as LMU Coach
MOVIE★ 6.5
The People Under the Stairs
1991
as Police Sergeant
TV★ 7.0
Flesh 'n' Blood
1991
as Holly's Dad
TV★ 6.0
Baywatch
1989
as Arnold Anderson
MOVIE★ 5.5
The Couch Trip
1988
as Police Captain
TV★ 6.2
Jake and the Fatman
1987
as Jameson
MOVIE★ 4.8
Six Against the Rock
1987
as Officer Bill Miller
MOVIE★ 6.3
Betrayed by Innocence
1986
as Bailiff
TV★ 7.1
Misfits of Science
1985
as Technician
TV★ 7.7
MacGyver
1985
as Vendor
TV★ 7.2
Crazy like a Fox
1984
as Lt. Doyle
MOVIE★ 7.5
Victims for Victims: The Theresa Saldana Story
1984
TV★ 7.1
Hunter
1984
as I.A.D. Officer #2
TV★ 6.6
Scarecrow and Mrs. King
1983
TV★ 7.3
Manimal
1983
as Man
TV★ 5.7
St. Elsewhere
1982
as Police Officer
TV★ 7.5
Knight Rider
1982
as Alfie Girdler
TV★ 6.5
T. J. Hooker
1982
as Mr. Zewecki
TV★ 7.6
Hill Street Blues
1981
as Mario
TV★ 7.0
Knots Landing
1979
as Surveillant
MOVIE★ 6.2
Someone's Watching Me!
1978
as Frimsin
MOVIE★ 4.8
A Killing Affair
1977
as Det. Shoup
MOVIE★ 4.0
Collision Course: Truman vs. MacArthur
1976
as Gen. Hoyt Vandenberg
TV★ 7.6
The Rockford Files
1974
as Todd Morris
TV★ 6.4
Police Woman
1974
as Fireman
MOVIE★ 7.7
The Exorcist
1973
as Language Lab Director
TV★ 7.2
Kojak
1973
as Lawton