John Mahon
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).
A Call to Arms
(Major General Cosgrove USMC)
The Couch Trip
(Police Captain)
A Killing Affair
(Det. Shoup)
Someone's Watching Me!
(Frimsin)
The American President
(Chairman of the Joint Chiefs)
Collision Course: Truman vs. MacArthur
(Gen. Hoyt Vandenberg)
Six Against the Rock
(Officer Bill Miller)
Victims for Victims: The Theresa Saldana Story
One False Move
(Chief Jenkins)
Final Shot: The Hank Gathers Story
(LMU Coach)
The People Under the Stairs
(Police Sergeant)
L.A. Confidential
(Police Chief)
Armageddon
(Karl)
Just Ask My Children
(Judge Ferguson)
Betrayed by Innocence
(Bailiff)
Austin Powers: The Spy Who Shagged Me
(NATO Colonel)
The Exorcist
(Language Lab Director)
Zodiac
(Riverside Captain)
JAG
(Admiral Rockerly)
Zoey 101
(Mr. Bradford)
Crossing Jordan
(Police Captain)
Diagnosis: Murder
(Fire Chief)
The X-Files
(General Wegman)
The Rockford Files
(Todd Morris)
Baywatch
(Arnold Anderson)
Frasier
(Walt Crane)
Crazy like a Fox
(Lt. Doyle)
Angel
(Trevor Lockley)
The Pretender
(Eugene Clark)
Profiler
(Det. Spitz)
Jake and the Fatman
(Jameson)
MacGyver
(Vendor)
Hunter
(I.A.D. Officer #2)
Scarecrow and Mrs. King
Manimal
(Man)
St. Elsewhere
(Police Officer)
Hill Street Blues
(Detective McConnell)
Hill Street Blues
(Mario)
Police Woman
(Fireman)
Kojak
(Lawton)
Kojak
(I. A. D. Man)
Knight Rider
(Alfie Girdler)
Crazy like a Fox
(Zach)
The Rockford Files
(Victor Sherman)
Star Trek: Enterprise
(Admiral Gardner)
Just Shoot Me!
(Col. Alan Drake)
Misfits of Science
(Technician)
Flesh 'n' Blood
(Holly's Dad)
Touched by an Angel
(Wally)
Knots Landing
(Surveillant)
Knots Landing
(Superior)
Knots Landing
(Investigator)