John Mahon

Person

John Mahon

Acting February 2, 1938

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 (200…

IMDb

Known for

Popular titles

Zodiac

Zodiac

7.5 2007 Movie
The Exorcist

The Exorcist

7.7 1973 Movie
Armageddon

Armageddon

6.8 1998 Movie
L.A. Confidential

L.A. Confidential

7.8 1997 Movie
The X-Files

The X-Files

8.4 1993 TV Show
Austin Powers: The Spy Who Shagged Me

Austin Powers: The Spy Who Shagged Me

6.3 1999 Movie
Knight Rider

Knight Rider

7.5 1982 TV Show
Frasier

Frasier

7.7 1993 TV Show
JAG

JAG

7.2 1995 TV Show
MacGyver

MacGyver

7.7 1985 TV Show
Star Trek: Enterprise

Star Trek: Enterprise

7.5 2001 TV Show
Angel

Angel

7.8 1999 TV Show

Biography

A closer look

Read full 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).

Filmography

Movies and shows, newest first

  1. 2014
    Star Trek: Enterprise - In a Mirror, Darkly

    Movie Adm. Gardner (Mirror)

  2. 2009
    A Call to Arms

    Movie Major General Cosgrove USMC

  3. 2007
    Zodiac

    Movie Riverside Captain

  4. 2005
    Zoey 101

    TV show Mr. Bradford

  5. 2001
    Star Trek: Enterprise

    TV show Admiral Gardner

  6. 2001
    Crossing Jordan

    TV show Police Captain

  7. 2001
    Just Ask My Children

    Movie Judge Ferguson

  8. 2001
    The Division

    TV show Barry Constansas

  9. 1999
    Angel

    TV show Trevor Lockley

  10. 1999
    Austin Powers: The Spy Who Shagged Me

    Movie NATO Colonel

  11. 1998
    Armageddon

    Movie Karl

  12. 1997
    L.A. Confidential

    Movie Police Chief

  13. 1997
    Just Shoot Me!

    TV show Col. Alan Drake

  14. 1996
    Profiler

    TV show Det. Spitz

  15. 1996
    The Pretender

    TV show Eugene Clark

  16. 1996
    Arli$$

    TV show Bert Shaw

More credits
  1. 1995
    The American President

    Movie Chairman of the Joint Chiefs

  2. 1995
    JAG

    TV show Admiral Rockerly

  3. 1994
    Touched by an Angel

    TV show Wally

  4. 1994
    Roswell

    Movie Red Hat Vet

  5. 1993
    Diagnosis: Murder

    TV show Fire Chief

  6. 1993
    Frasier

    TV show Walt Crane

  7. 1993
    The X-Files

    TV show General Wegman

  8. 1992
    One False Move

    Movie Chief Jenkins

  9. 1992
    Final Shot: The Hank Gathers Story

    Movie LMU Coach

  10. 1991
    The People Under the Stairs

    Movie Police Sergeant

  11. 1991
    Flesh 'n' Blood

    TV show Holly's Dad

  12. 1989
    Baywatch

    TV show Arnold Anderson

  13. 1988
    The Couch Trip

    Movie Police Captain

  14. 1987
    Jake and the Fatman

    TV show Jameson

  15. 1987
    Six Against the Rock

    Movie Officer Bill Miller

  16. 1986
    Betrayed by Innocence

    Movie Bailiff

  17. 1985
    Misfits of Science

    TV show Technician

  18. 1985
    MacGyver

    TV show Vendor

  19. 1984
    Crazy like a Fox

    TV show Lt. Doyle

  20. 1984
    Victims for Victims: The Theresa Saldana Story

    Movie

  21. 1984
    Hunter

    TV show IAD Officer #2

  22. 1983
    Scarecrow and Mrs. King

    TV show

  23. 1983
    Manimal

    TV show Man

  24. 1982
    St. Elsewhere

    TV show Police Officer