Complete filmography
Everything John Mahon is credited on. Titles we have reviewed carry their Fi1m score; press Request a review on any other and it goes on our list.
2010s
Star Trek: Enterprise - In a Mirror, Darkly 2014as Adm. Gardner (Mirror)
2000s
A Call to Arms 2009as Major General Cosgrove USMC
Zodiac 2007as Riverside CaptainFi1m 91
Zoey 101 2005Seriesas Mr. Bradford · 1 ep
Star Trek: Enterprise 2001Seriesas Admiral Gardner · 1 ep
Crossing Jordan 2001Seriesas Police Captain · 1 ep
Just Ask My Children 2001as Judge Ferguson
The Division 2001Seriesas Barry Constansas · 1 ep
1990s
Angel 1999Seriesas Trevor Lockley · 2 eps
Austin Powers: The Spy Who Shagged Me 1999as NATO ColonelFi1m 73
Armageddon 1998as KarlFi1m 64
L.A. Confidential 1997as Police ChiefFi1m 88
Just Shoot Me! 1997Seriesas Col. Alan Drake · 1 ep
Profiler 1996Seriesas Det. Spitz · 1 ep
The Pretender 1996Seriesas Eugene Clark · 1 ep
Arli$$ 1996Seriesas Bert Shaw · 1 ep
The American President 1995as Chairman of the Joint Chiefs
JAG 1995Seriesas Admiral Rockerly · 1 ep
Touched by an Angel 1994Seriesas Wally · 1 ep
Roswell 1994as Red Hat Vet
Diagnosis: Murder 1993Seriesas Fire Chief · 1 ep
Frasier 1993Seriesas Walt Crane · 1 epFi1m 88
The X-Files 1993Seriesas General Wegman · 2 epsFi1m 84
One False Move 1992as Chief JenkinsFi1m 86