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 Choice
... 2016
Mary
... 2024
Another Me
... 2013
Afraid
... 2024
Amityville: The Awakening
... 2017
Linda Linda Linda
... 2005
Dan in Real Life
... 2007
Bandidas
... 2006
Image of Victory
... 2021