Actor | Producer
John Patrick Mahon (February 2, 1938 - May 3, 2020) was an American film, stage and television actor. He was known f...
The People Under the Stairs
... 1991
The Exorcist
... 1973
Zodiac
... 2007
Armageddon
... 1998
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).
The Taste of Things
... 2023
Furiosa: A Mad Max Saga
... 2024
Son of Rambow
... 2007
House of the Dead
... 2003
The Cement Garden
... 1993
The Good Girl
... 2002
Abraham Lincoln: Vampire Hunter
... 2012
The Old Way
... 2023
Poltergeist
... 1982