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).
Pain Hustlers
... 2023
Sibyl
... 2019
Killer Grades
... 2021
Samantha: An American Girl Holiday
... 2004
The Sicilian
... 1987
Penance
... 2009
The Burning Sea
... 2021
Blacklight
... 2022
House Tour
... 2021