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Personal Info
Known For
Acting
Birthday
February 2, 1938
Died
May 3, 2020
Place of Birth
Scranton, Pennsylvania, USA
John Mahon
0.3 Popularity
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).
Known For
6.0
Major General Cosgrove USMC
A Call to Arms
2009
7.5
Riverside Captain
Zodiac
2007
8.1
Mr. Bradford
Zoey 101
2005
7.5
Admiral Gardner
Star Trek: Enterprise
2001
7.2
Police Captain
Crossing Jordan
2001
6.5
Judge Ferguson
Just Ask My Children
2001
7.1
Barry Constansas
The Division
2001
7.9
Trevor Lockley
Angel
1999
6.3
NATO Colonel
Austin Powers: The Spy Who Shagged Me
1999
6.8
Karl
Armageddon
1998
Credits
A Call to Arms
as Major General Cosgrove USMC
2009
6.0
Zodiac
as Riverside Captain
2007
7.5
Zoey 101
as Mr. Bradford
2005
8.1
Star Trek: Enterprise
as Admiral Gardner
2001
7.5
Crossing Jordan
as Police Captain
2001
7.2
Just Ask My Children
as Judge Ferguson
2001
6.5
The Division
as Barry Constansas
2001
7.1
Angel
as Trevor Lockley
1999
7.9
Austin Powers: The Spy Who Shagged Me
as NATO Colonel
1999
6.3
Armageddon
as Karl
1998
6.8
L.A. Confidential
as Police Chief
1997
7.8
Just Shoot Me!
as Col. Alan Drake
1997
6.6
Profiler
as Det. Spitz
1996
7.0
The Pretender
as Eugene Clark
1996
7.3
The American President
as Chairman of the Joint Chiefs
1995
6.5
JAG
as Admiral Rockerly
1995
7.3
Touched by an Angel
as Wally
1994
7.2
Roswell
as Red Hat Vet
1994
6.0
Diagnosis: Murder
as Fire Chief
1993
7.1
Frasier
as Walt Crane
1993
7.7
The X-Files
as General Wegman
1993
8.4
Final Shot: The Hank Gathers Story
as LMU Coach
1992
0.0
The People Under the Stairs
as Police Sergeant
1991
6.5
One False Move
as Chief Jenkins
1991
6.6
🎬
Flesh 'n' Blood
as Holly's Dad
1991
6.0
Baywatch
as Arnold Anderson
1989
6.0
The Couch Trip
as Police Captain
1988
5.4
Jake and the Fatman
as Jameson
1987
6.2
Six Against the Rock
as Officer Bill Miller
1987
4.1
Betrayed by Innocence
as Bailiff
1986
5.0
Misfits of Science
as Technician
1985
6.9
MacGyver
as Vendor
1985
7.7
Crazy like a Fox
as Lt. Doyle
1984
7.1
Crazy like a Fox
as Zach
1984
7.1
Victims for Victims: The Theresa Saldana Story
1984
7.5
Hunter
as I.A.D. Officer #2
1984
7.1
Scarecrow and Mrs. King
1983
6.4
Manimal
as Man
1983
7.3
St. Elsewhere
as Police Officer
1982
5.6
Knight Rider
as Alfie Girdler
1982
7.5
T. J. Hooker
as Mr. Zewecki
1982
6.4
Hill Street Blues
as Mario
1981
7.6
Hill Street Blues
as Detective McConnell
1981
7.6
Knots Landing
as Surveillant
1979
6.7
Knots Landing
as Superior
1979
6.7
Knots Landing
as Investigator
1979
6.7
Someone's Watching Me!
as Frimsin
1978
6.2
A Killing Affair
as Det. Shoup
1977
4.4
Collision Course: Truman vs. MacArthur
as Gen. Hoyt Vandenberg
1976
4.0
The Rockford Files
as Todd Morris
1974
7.6
The Rockford Files
as Victor Sherman
1974
7.6
Police Woman
as Fireman
1974
6.2
The Exorcist
as Language Lab Director
1973
7.7
Kojak
as Lawton
1973
7.0
Kojak
as I. A. D. Man
1973
7.0