Acting
John Mahon
Feb 2, 1938 (died May 3, 2020, aged 82) 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).
Known for
8.4
The X-Files
General Wegman
7.7
The Exorcist
Language Lab Director
7.5
Zodiac
Riverside Captain
6.8
Armageddon
Karl
7.7
Frasier
Walt Crane
7.7
MacGyver
Vendor
7.8
L.A. Confidential
Police Chief
7.5
Knight Rider
Alfie Girdler
7.5
Star Trek: Enterprise
Admiral Gardner
7.9
Angel
Trevor Lockley
7.3
JAG
Admiral Rockerly
6.0
Baywatch
Arnold Anderson
6.3
Austin Powers: The Spy Who Shagged Me
NATO Colonel
8.1
Zoey 101
Mr. Bradford
7.1
Diagnosis: Murder
Fire Chief
Filmography
Star Trek: Enterprise - In a Mirror, Darkly
2014 · Adm. Gardner (Mirror)
6.0
A Call to Arms
2009 · Major General Cosgrove USMC
7.5
Zodiac
2007 · Riverside Captain
8.1
Zoey 101
2005 · Mr. Bradford
7.5
Star Trek: Enterprise
2001 · Admiral Gardner
7.2
Crossing Jordan
2001 · Police Captain
7.1
The Division
2001 · Barry Constansas
6.8
Just Ask My Children
2001 · Judge Ferguson
7.9
Angel
1999 · Trevor Lockley
6.3
Austin Powers: The Spy Who Shagged Me
1999 · NATO Colonel
6.8
Armageddon
1998 · Karl
7.8
L.A. Confidential
1997 · Police Chief
6.6
Just Shoot Me!
1997 · Col. Alan Drake
7.4
The Pretender
1996 · Eugene Clark
7.0
Profiler
1996 · Det. Spitz
6.9
Arli$$
1996 · Bert Shaw
7.3
JAG
1995 · Admiral Rockerly
6.5
The American President
1995 · Chairman of the Joint Chiefs
7.2
Touched by an Angel
1994 · Wally
6.1
Roswell
1994 · Red Hat Vet
8.4
The X-Files
1993 · General Wegman
7.7
Frasier
1993 · Walt Crane
7.1
Diagnosis: Murder
1993 · Fire Chief
6.6
One False Move
1992 · Chief Jenkins
10.0
Final Shot: The Hank Gathers Story
1992 · LMU Coach
6.6
The People Under the Stairs
1991 · Police Sergeant
6.0
Baywatch
1989 · Arnold Anderson
5.5
The Couch Trip
1988 · Police Captain
6.2
Jake and the Fatman
1987 · Jameson
4.8
Six Against the Rock
1987 · Officer Bill Miller