
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).

as Adm. Gardner (Mirror)

as Major General Cosgrove USMC

as Riverside Captain

as Judge Ferguson

as NATO Colonel

as Karl

as Police Chief

as Chairman of the Joint Chiefs

as Red Hat Vet

as Chief Jenkins

as LMU Coach

as Police Sergeant

as Police Captain

as Officer Bill Miller

as Bailiff

as Frimsin

as Det. Shoup

as Gen. Hoyt Vandenberg

as Language Lab Director