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).
Cast

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
Unknown

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

Roswell
Red Hat Vet