John Mahon

A Call to Arms

2009

as Major General Cosgrove USMC

Zodiac

2007

as Riverside Captain

Zoey 101

2005

as Mr. Bradford

Star Trek: Enterprise

2001

as Admiral Gardner

Crossing Jordan

2001

as Police Captain

Just Ask My Children

2001

as Judge Ferguson

The Division

2001

as Barry Constansas

Angel

1999

as Trevor Lockley

Austin Powers: The Spy Who Shagged Me

1999

as NATO Colonel

Armageddon

1998

as Karl

L.A. Confidential

1997

as Police Chief

Just Shoot Me!

1997

as Col. Alan Drake

Profiler

1996

as Det. Spitz

The Pretender

1996

as Eugene Clark

Arli$$

1996

as Bert Shaw

The American President

1995

as Chairman of the Joint Chiefs

JAG

1995

as Admiral Rockerly

Touched by an Angel

1994

as Wally

Roswell

1994

as Red Hat Vet

Diagnosis: Murder

1993

as Fire Chief

Frasier

1993

as Walt Crane

The X-Files

1993

as General Wegman

One False Move

1992

as Chief Jenkins

Final Shot: The Hank Gathers Story

1992

as LMU Coach

The People Under the Stairs

1991

as Police Sergeant

Flesh 'n' Blood

1991

as Holly's Dad

Baywatch

1989

as Arnold Anderson

The Couch Trip

1988

as Police Captain

Jake and the Fatman

1987

as Jameson

Six Against the Rock

1987

as Officer Bill Miller

Betrayed by Innocence

1986

as Bailiff

Misfits of Science

1985

as Technician

MacGyver

1985

as Vendor

Crazy like a Fox

1984

as Lt. Doyle

Victims for Victims: The Theresa Saldana Story

1984

Hunter

1984

as I.A.D. Officer #2

Scarecrow and Mrs. King

1983

Manimal

1983

as Man

St. Elsewhere

1982

as Police Officer

Knight Rider

1982

as Alfie Girdler

T. J. Hooker

1982

as Mr. Zewecki

Hill Street Blues

1981

as Mario

Knots Landing

1979

as Surveillant

Someone's Watching Me!

1978

as Frimsin

A Killing Affair

1977

as Det. Shoup

Collision Course: Truman vs. MacArthur

1976

as Gen. Hoyt Vandenberg

The Rockford Files

1974

as Todd Morris

Police Woman

1974

as Fireman

The Exorcist

1973

as Language Lab Director

Kojak

1973

as Lawton