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).
Marshland
... 2014
Playing for Keeps
... 2012
Children of the Corn
... 2023
Leave
... 2022
Black Panther
... 2013
Divergent
... 2014
Little Women
... 1994
You've Got This
... 2020
Don Jon
... 2013