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).
Major General Cosgrove USMC
Police Captain
Det. Shoup
Frimsin
Chairman of the Joint Chiefs
Gen. Hoyt Vandenberg
Officer Bill Miller
Chief Jenkins
LMU Coach
Police Sergeant
Police Chief
Karl
Judge Ferguson
Bailiff
NATO Colonel
Language Lab Director
Riverside Captain
Admiral Rockerly
Mr. Bradford
Fire Chief
General Wegman
Todd Morris
Arnold Anderson
Walt Crane
Lt. Doyle
Trevor Lockley
Det. Spitz
Jameson
Eugene Clark
Vendor
I.A.D. Officer #2
Man
Fireman
Police Officer
Detective McConnell
Mario
Lawton
I. A. D. Man
Alfie Girdler
Zach
Victor Sherman
Admiral Gardner
Col. Alan Drake
Technician
Holly's Dad
Wally
Surveillant
Superior
Investigator