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John Mahon

John Mahon

Known For Acting
Birthday Feb 02, 1938
Died May 03, 2020 (82)
Birthplace Scranton, Pennsylvania, USA
Popularity 0.6 (history)
Updated Aug 08, 2025
Entry Date Apr 13, 2024
Links TMDb IMDb
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

Filmography

A Call to Arms

A Call to Arms

2009

as Major General Cosgrove USMC

Zodiac

Zodiac

2007

as Riverside Captain

Just Ask My Children

Just Ask My Children

2001

as Judge Ferguson

Armageddon

Armageddon

1998

as Karl

L.A. Confidential

L.A. Confidential

1997

as Police Chief

The American President

The American President

1995

as Chairman of the Joint Chiefs

The People Under the Stairs

The People Under the Stairs

1991

as Police Sergeant

One False Move

One False Move

1991

as Chief Jenkins

The Couch Trip

The Couch Trip

1988

as Police Captain

Six Against the Rock

Six Against the Rock

1987

as Officer Bill Miller

Betrayed by Innocence

Betrayed by Innocence

1986

as Bailiff

Someone's Watching Me!

Someone's Watching Me!

1978

as Frimsin

A Killing Affair

A Killing Affair

1977

as Det. Shoup

The Exorcist

The Exorcist

1973

as Language Lab Director

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Organization Category Movie
Television Credits

The X-Files

as General Wegman

Episodes: 2

First Aired: Sep 10, 1993

Angel

as Trevor Lockley

Episodes: 2

First Aired: Oct 05, 1999

JAG

as Admiral Rockerly

Episodes: 1

First Aired: Sep 23, 1995

Zoey 101

as Mr. Bradford

Episodes: 1

First Aired: Jan 09, 2005

Crossing Jordan

as Police Captain

Episodes: 1

First Aired: Sep 24, 2001

Diagnosis: Murder

as Fire Chief

Episodes: 1

First Aired: Oct 29, 1993

The Rockford Files

as Todd Morris

Episodes: 1

First Aired: Sep 13, 1974

Baywatch

as Arnold Anderson

Episodes: 1

First Aired: Apr 23, 1989

Frasier

as Walt Crane

Episodes: 1

First Aired: Sep 16, 1993

Crazy like a Fox

as Lt. Doyle

Episodes: 1

First Aired: Dec 30, 1984

Profiler

as Det. Spitz

Episodes: 1

First Aired: Sep 21, 1996

Jake and the Fatman

as Jameson

Episodes: 1

First Aired: Sep 26, 1987

The Pretender

as Eugene Clark

Episodes: 1

First Aired: Sep 19, 1996

MacGyver

as Vendor

Episodes: 1

First Aired: Sep 29, 1985

Hunter

as I.A.D. Officer #2

Episodes: 1

First Aired: Sep 18, 1984

Manimal

as Man

Episodes: 1

First Aired: Sep 30, 1983

Police Woman

as Fireman

Episodes: 1

First Aired: Sep 13, 1974

St. Elsewhere

as Police Officer

Episodes: 1

First Aired: Oct 26, 1982

Hill Street Blues

as Detective McConnell

Episodes: 1

First Aired: Jan 15, 1981

Hill Street Blues

as Mario

Episodes: 1

First Aired: Jan 15, 1981

Kojak

as Lawton

Episodes: 1

First Aired: Oct 24, 1973

Kojak

as I. A. D. Man

Episodes: 1

First Aired: Oct 24, 1973

Knight Rider

as Alfie Girdler

Episodes: 1

First Aired: Sep 26, 1982

Crazy like a Fox

as Zach

Episodes: 1

First Aired: Dec 30, 1984

The Rockford Files

as Victor Sherman

Episodes: 1

First Aired: Sep 13, 1974

Star Trek: Enterprise

as Admiral Gardner

Episodes: 1

First Aired: Sep 26, 2001

Just Shoot Me!

as Col. Alan Drake

Episodes: 1

First Aired: Mar 04, 1997

Misfits of Science

as Technician

Episodes: 1

First Aired: Oct 04, 1985

Flesh 'n' Blood

as Holly's Dad

Episodes: 1

First Aired: Sep 19, 1991

Touched by an Angel

as Wally

Episodes: 1

First Aired: Sep 21, 1994

Knots Landing

as Surveillant

Episodes: 1

First Aired: Dec 27, 1979

Knots Landing

as Superior

Episodes: 1

First Aired: Dec 27, 1979

Knots Landing

as Investigator

Episodes: 1

First Aired: Dec 27, 1979

Scarecrow and Mrs. King

Episodes: 1

First Aired: Oct 03, 1983

Popularity Metrics

Popularity History


Year Month Avg Max Min
2024 6 5 8 2
2024 7 7 14 2
2024 8 4 9 2
2024 9 5 11 1
2024 10 2 4 1
2024 11 2 4 1
2024 12 2 8 1
2025 1 4 16 1
2025 2 1 2 1
2025 3 1 1 1
2025 5 1 1 1
2025 6 1 1 1
2025 7 0 0 0
2025 8 1 3 0
2025 9 0 0 0
2025 10 0 0 0

Trending Rank


Year Month Avg Rank Max Rank
No trending metrics available.

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