JM
Photo of John Mahon

John Mahon

Actor
Died May 3, 2020 (82 years)
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).
Movies & Shows on Plex
  • Baywatch
  • Hunter
  • Knots Landing
  • Lifepod
  • Stingray (1985)
  • Space Rangers
  • Final Shot: The Hank Gathers Story
Known For
  • Someone's Watching Me!
  • Six Against the Rock

Filmography

2009
A Call to Arms · as Major General Cosgrove Usmc
2007
Zodiac · as Riverside Captain
2006
Studio 60 on the Sunset Strip (TV Series) · as George
2005
Zoey 101 (TV Series) · as Mr. Bradford
2003
Cold Case (TV Series) · as Colonel
2001
Star Trek: Enterprise (TV Series) · as Admiral Gardner
2001
Crossing Jordan (TV Series) · as Police Captain
2001
Just Ask My Children · as Judge Ferguson
2001
The Division (TV Series) · as Barry Constansas
2000
That's Life (TV Series) · as Leo
2000
Bull (TV Series) · as Paul Catteo
1999
Angel (TV Series) · as Trevor Lockley
1999
1999
Strange World (TV Series) · as Agent Milton
1998
Armageddon · as Karl
1997
Brooklyn South (TV Series) · as Gene Donovan
1997
L.A. Confidential · as Police Chief
1997
Just Shoot Me! (TV Series) · as Col. Alan Drake
1996
Profiler (TV Series) · as Det. Spitz
1996
The Pretender (TV Series) · as Eugene Clark
1996
Arli$$ (TV Series) · as Cast
1995
The American President · as Chairman Of The Joint Chiefs
1995
JAG (TV Series) · as Admiral Rockerly
1994
Touched by an Angel (TV Series) · as Wally
1994
Roswell · as Red Hat Vet
1994
Natural Selection · as Coach Dickler
1993
Diagnosis Murder (TV Series) · as Fire Chief
1993
Frasier (TV Series) · as Walt Crane
1993
The X-Files (TV Series) · as General Wegman
1993
Lifepod · as Earth Corp Ship Commander
1993
Space Rangers (TV Series) · as Amb. Hardcastle
1992
Sinatra (TV Series) · as Mr. Cleaves
1992
1992
1991
The People Under the Stairs · as Police Sergeant
1991
One False Move · as Chief Jenkins
1991
Homefront (TV Series) · as Bus Driver
1990
Equal Justice (TV Series) · as Detective Stassen
1990
Bad Influence · as Dr. Fielding
1989
1989
Mancuso, FBI (TV Series) · as Cast
1989
Baywatch (TV Series) · as Arnold Anderson
1989
Generations (TV Series) · as Captain Parker
1988
The Couch Trip · as Police Captain
1987
Jake and the Fatman (TV Series) · as Jameson
1987
Hooperman (TV Series) · as Chapell
1987
Six Against the Rock · as Officer Bill Miller
1987
1986
Stingray (1985) (TV Series) · as Desk Sgt.
1986
Betrayed by Innocence · as Bailiff
1985
Misfits of Science (TV Series) · as Technician
1985
MacGyver (TV Series) · as Vendor
1984
Crazy Like A Fox (TV Series) · as Zach
1984
1984
Cover Up (TV Series) · as Limo Driver
1984
Hunter (TV Series) · as I.a.d. Officer #2
1984
Mickey Spillane's Mike Hammer (TV Series) · as Sergeant Cramer
1983
Automan (TV Series) · as The Policeman
1983
1983
Manimal (TV Series) · as Man
1982
St. Elsewhere (TV Series) · as Police Officer
1982
Knight Rider (TV Series) · as Alfie Girdler
1982
T.J. Hooker (TV Series) · as Mr. Zewecki
1981
Simon & Simon (TV Series) · as Minister
1981
Cagney & Lacey (TV Series) · as Dpa Clerk
1981
Hill Street Blues (TV Series) · as Detective Mcconnell
1979
Knots Landing (TV Series) · as Investigator
1978
1978
Dallas (TV Series) · as Captain Holgar
1977
A Killing Affair · as Det. Shoup
1977
1976
Collision Course: Truman vs. MacArthur · as Gen. Hoyt Vandenberg
1975
The Blue Knight (TV Series) · as Swat Commander
1974
Police Woman (TV Series) · as Fireman
1974
The Rockford Files (TV Series) · as Todd Morris
1973
The Exorcist · as Language Lab Director
1973
Kojak (TV Series) · as Lawton
1973
Police Story (TV Series) · as Det. Leo Luna

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