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).
Acted in 50
2010s
- 2014
Star Trek: Enterprise - In a Mirror, Darkly
Adm. Gardner (Mirror)
2000s
- 2009
A Call to Arms
Major General Cosgrove USMC
- 2007
- 2005
- 2001
1990s
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
- 1992
One False Move
Chief Jenkins
Final Shot: The Hank Gathers Story
LMU Coach
- 1991
1980s
- 1989
- 1988
- 1987
Six Against the Rock
Officer Bill Miller
- 1986
Betrayed by Innocence
Bailiff
- 1985
- 1984
Victims for Victims: The Theresa Saldana Story
Movie
- 1983
Manimal
Man · 1 episode
- 1982
- 1981
1970s
- 1979
- 1978
- 1977
A Killing Affair
Det. Shoup
- 1976
Collision Course: Truman vs. MacArthur
Gen. Hoyt Vandenberg
- 1974
- 1973
