John Mahon
View on IMDb ↗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
Final Shot: The Hank Gathers Story
The X-Files
Zoey 101
Angel
L.A. Confidential
The Exorcist
MacGyver
Frasier
Hill Street Blues
The Rockford FilesFilmography (50)
- 2009
A Call to ArmsMajor General Cosgrove USMC - 2007
ZodiacRiverside Captain - 2005
Zoey 101Mr. Bradford - 2001
Star Trek: EnterpriseAdmiral Gardner - 2001
Crossing JordanPolice Captain - 2001
The DivisionBarry Constansas - 2001
Just Ask My ChildrenJudge Ferguson - 1999
AngelTrevor Lockley - 1999
Austin Powers: The Spy Who Shagged MeNATO Colonel - 1998
ArmageddonKarl - 1997
L.A. ConfidentialPolice Chief - 1997
Just Shoot Me!Col. Alan Drake - 1996
The PretenderEugene Clark - 1996
ProfilerDet. Spitz - 1996
Arli$$Bert Shaw - 1995
JAGAdmiral Rockerly - 1995
The American PresidentChairman of the Joint Chiefs - 1994
Touched by an AngelWally - 1994
RoswellRed Hat Vet - 1993
The X-FilesGeneral Wegman - 1993
FrasierWalt Crane - 1993
Diagnosis: MurderFire Chief - 1992
Final Shot: The Hank Gathers StoryLMU Coach - 1992
One False MoveChief Jenkins - 1991Flesh 'n' BloodHolly's Dad
- 1991
The People Under the StairsPolice Sergeant - 1989
BaywatchArnold Anderson - 1988
The Couch TripPolice Captain - 1987
Jake and the FatmanJameson - 1987
Six Against the RockOfficer Bill Miller - 1986
Betrayed by InnocenceBailiff - 1985
MacGyverVendor - 1985
Misfits of ScienceTechnician - 1984
Victims for Victims: The Theresa Saldana Story - 1984
Crazy like a FoxLt. Doyle - 1984
HunterI.A.D. Officer #2 - 1983
ManimalMan - 1983
Scarecrow and Mrs. King - 1982
Knight RiderAlfie Girdler - 1982
T. J. HookerMr. Zewecki - 1982
St. ElsewherePolice Officer - 1981
Hill Street BluesDetective McConnell - 1979
Knots LandingSurveillant - 1978
Someone's Watching Me!Frimsin - 1977
A Killing AffairDet. Shoup - 1976
Collision Course: Truman vs. MacArthurGen. Hoyt Vandenberg - 1974
The Rockford FilesTodd Morris - 1974
Police WomanFireman - 1973
The ExorcistLanguage Lab Director - 1973
KojakLawton