Known For
Acting
Known Credits
56
Gender
Male
Birthday
February 2, 1938 (88 years old)
Place of Birth
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).
| 2009 | A Call to Armsas Major General Cosgrove USMC | |
| 2007 | Zodiacas Riverside Captain | |
| 2005 | Zoey 101as Mr. Bradford | |
| 2001 | Star Trek: Enterpriseas Admiral Gardner | |
| 2001 | Crossing Jordanas Police Captain | |
| 2001 | Just Ask My Childrenas Judge Ferguson | |
| 2001 | The Divisionas Barry Constansas | |
| 1999 | Angelas Trevor Lockley | |
| 1999 | Austin Powers: The Spy Who Shagged Meas NATO Colonel | |
| 1998 | Armageddonas Karl | |
| 1997 | L.A. Confidentialas Police Chief | |
| 1997 | Just Shoot Me!as Col. Alan Drake | |
| 1996 | Profileras Det. Spitz | |
| 1996 | The Pretenderas Eugene Clark | |
| 1996 | Arli$$as Bert Shaw | |
| 1995 | The American Presidentas Chairman of the Joint Chiefs | |
| 1995 | JAGas Admiral Rockerly | |
| 1994 | Touched by an Angelas Wally | |
| 1994 | Roswellas Red Hat Vet | |
| 1993 | Diagnosis: Murderas Fire Chief | |
| 1993 | Frasieras Walt Crane | |
| 1993 | The X-Filesas General Wegman | |
| 1992 | One False Moveas Chief Jenkins | |
| 1992 | Final Shot: The Hank Gathers Storyas LMU Coach | |
| 1991 | The People Under the Stairsas Police Sergeant | |
| 1991 | Flesh 'n' Bloodas Holly's Dad | |
| 1989 | Baywatchas Arnold Anderson | |
| 1988 | The Couch Tripas Police Captain | |
| 1987 | Jake and the Fatmanas Jameson | |
| 1987 | Six Against the Rockas Officer Bill Miller | |
| 1986 | Betrayed by Innocenceas Bailiff | |
| 1985 | Misfits of Scienceas Technician | |
| 1985 | MacGyveras Vendor | |
| 1984 | Crazy like a Foxas Lt. Doyle | |
| 1984 | Crazy like a Foxas Zach | |
| 1984 | Victims for Victims: The Theresa Saldana Storyas | |
| 1984 | Hunteras I.A.D. Officer #2 | |
| 1983 | Scarecrow and Mrs. Kingas | |
| 1983 | Manimalas Man | |
| 1982 | St. Elsewhereas Police Officer | |
| 1982 | Knight Rideras Alfie Girdler | |
| 1982 | T. J. Hookeras Mr. Zewecki | |
| 1981 | Hill Street Bluesas Detective McConnell | |
| 1981 | Hill Street Bluesas Mario | |
| 1979 | Knots Landingas Investigator | |
| 1979 | Knots Landingas Superior | |
| 1979 | Knots Landingas Surveillant | |
| 1978 | Someone's Watching Me!as Frimsin | |
| 1977 | A Killing Affairas Det. Shoup | |
| 1976 | Collision Course: Truman vs. MacArthuras Gen. Hoyt Vandenberg | |
| 1974 | The Rockford Filesas Todd Morris | |
| 1974 | The Rockford Filesas Victor Sherman | |
| 1974 | Police Womanas Fireman | |
| 1973 | The Exorcistas Language Lab Director | |
| 1973 | Kojakas I. A. D. Man | |
| 1973 | Kojakas Lawton |
