Profile photo of John Mahon

John Mahon

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).

Filmography

1997
L.A. Confidential

as Police Chief

Movie
1973
The Exorcist

as Language Lab Director

Movie