John Mahon

John Mahon

Acting

1938-02-02

Scranton, Pennsylvania, USA

Died: 2020-05-03

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).

Appears In

The X-Files
⭐ 8.4
The X-Files
1993

as General Wegman

JAG
⭐ 7.3
JAG
1995

as Admiral Rockerly

Frasier
⭐ 7.7
Frasier
1993

as Walt Crane

MacGyver
⭐ 7.7
MacGyver
1985

as Vendor

Star Trek: Enterprise
⭐ 7.5
Star Trek: Enterprise
2001

as Admiral Gardner

Angel
⭐ 7.9
Angel
1999

as Trevor Lockley

Knight Rider
⭐ 7.5
Knight Rider
1982

as Alfie Girdler

Diagnosis: Murder
⭐ 7.1
Diagnosis: Murder
1993

as Fire Chief

Baywatch
⭐ 6.0
Baywatch
1989

as Arnold Anderson

Crossing Jordan
⭐ 7.2
Crossing Jordan
2001

as Police Captain

St. Elsewhere
⭐ 5.6
St. Elsewhere
1982

as Police Officer

The Rockford Files
⭐ 7.6
The Rockford Files
1974

as Todd Morris

The Rockford Files
⭐ 7.6
The Rockford Files
1974

as Victor Sherman

Hill Street Blues
⭐ 7.6
Hill Street Blues
1981

as Detective McConnell

Hill Street Blues
⭐ 7.6
Hill Street Blues
1981

as Mario

Touched by an Angel
⭐ 7.2
Touched by an Angel
1994

as Wally

Knots Landing
⭐ 6.8
Knots Landing
1979

as Surveillant

Knots Landing
⭐ 6.8
Knots Landing
1979

as Superior

Knots Landing
⭐ 6.8
Knots Landing
1979

as Investigator

T. J. Hooker
⭐ 6.5
T. J. Hooker
1982

as Mr. Zewecki

The Division
⭐ 7.1
The Division
2001

as Barry Constansas

The Pretender
⭐ 7.3
The Pretender
1996

as Eugene Clark

Zoey 101
⭐ 8.1
Zoey 101
2005

as Mr. Bradford

Police Woman
⭐ 6.2
Police Woman
1974

as Fireman

Hunter
⭐ 7.1
Hunter
1984

as I.A.D. Officer #2

The Exorcist
⭐ 7.7
The Exorcist
1973

as Language Lab Director

Profiler
⭐ 7.0
Profiler
1996

as Det. Spitz

Jake and the Fatman
⭐ 6.2
Jake and the Fatman
1987

as Jameson

Scarecrow and Mrs. King
⭐ 6.4
Scarecrow and Mrs. King
1983
Zodiac
⭐ 7.5
Zodiac
2007

as Riverside Captain

Kojak
⭐ 7.1
Kojak
1973

as Lawton

Kojak
⭐ 7.1
Kojak
1973

as I. A. D. Man

Just Shoot Me!
⭐ 6.6
Just Shoot Me!
1997

as Col. Alan Drake

Armageddon
⭐ 6.8
Armageddon
1998

as Karl

Crazy like a Fox
⭐ 7.1
Crazy like a Fox
1984

as Lt. Doyle

Crazy like a Fox
⭐ 7.1
Crazy like a Fox
1984

as Zach

L.A. Confidential
⭐ 7.8
L.A. Confidential
1997

as Police Chief

Just Ask My Children
⭐ 6.6
Just Ask My Children
2001

as Judge Ferguson

Austin Powers: The Spy Who Shagged Me
⭐ 6.3
Austin Powers: The Spy Who Shagged Me
1999

as NATO Colonel

Misfits of Science
⭐ 6.9
Misfits of Science
1985

as Technician

Manimal
⭐ 7.3
Manimal
1983

as Man

Someone's Watching Me!
⭐ 6.2
Someone's Watching Me!
1978

as Frimsin

Roswell
⭐ 6.0
Roswell
1994

as Red Hat Vet

The American President
⭐ 6.5
The American President
1995

as Chairman of the Joint Chiefs

The People Under the Stairs
⭐ 6.5
The People Under the Stairs
1991

as Police Sergeant

One False Move
⭐ 6.6
One False Move
1991

as Chief Jenkins

The Couch Trip
⭐ 5.4
The Couch Trip
1988

as Police Captain

A Call to Arms
⭐ 6.0
A Call to Arms
2009

as Major General Cosgrove USMC

A Killing Affair
⭐ 4.4
A Killing Affair
1977

as Det. Shoup

Six Against the Rock
⭐ 4.1
Six Against the Rock
1987

as Officer Bill Miller

Victims for Victims: The Theresa Saldana Story
⭐ 7.5
Victims for Victims: The Theresa Saldana Story
1984
Final Shot: The Hank Gathers Story
⭐ 0.0
Final Shot: The Hank Gathers Story
1992

as LMU Coach

Betrayed by Innocence
⭐ 5.0
Betrayed by Innocence
1986

as Bailiff

Collision Course: Truman vs. MacArthur
⭐ 4.0
Collision Course: Truman vs. MacArthur
1976

as Gen. Hoyt Vandenberg