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).

John Mahon

Acting Born February 2, 1938 – Died May 3, 2020 Scranton, Pennsylvania, USA

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).

Known For

JAG

Admiral Rockerly

The X-Files

General Wegman

Frasier

Walt Crane

Diagnosis: Murder

Fire Chief

MacGyver

Vendor

Angel

Trevor Lockley

Star Trek: Enterprise

Admiral Gardner

Crossing Jordan

Police Captain

Knots Landing

Surveillant

Knots Landing

Superior

Knots Landing

Investigator

Hill Street Blues

Detective McConnell