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
Frasier
Baywatch
The X-Files
Knots Landing
Crossing Jordan
JAG
MacGyver
Diagnosis: Murder
Knight Rider
Angel
Hunter
Jake and the Fatman
Star Trek: Enterprise
St. Elsewhere
Touched by an Angel
Hill Street Blues
Arli$$
The Division
The Rockford Files
T. J. Hooker
Profiler
The Pretender
Police Woman
Kojak
Scarecrow and Mrs. King
Zoey 101
Just Shoot Me!
Crazy like a Fox
The Exorcist
Zodiac