John Mahoney
ActingTotal Credits
83
Acting
81
First Credit
1956
Latest Credit
2022

The Simpsons
Robert Terwilliger, Sr. (voice)
1989

Flipped
Chet Duncan
2010

The Iron Giant
General Rogard (voice)
1999

ER
Bennett Cray
1994

Foyle's War
Andrew Del Mar
2002

Frasier
Martin Crane
1993

Primal Fear
Shaughnessy
1996

In Treatment
Walter Barnett
2008

Cheers
Sy Flembeck
1982

Our Flag Means Death
Writer
2022

3rd Rock from the Sun
Dr. Leonard Hamlin
1996

Burn Notice
Management
2007

Barton Fink
W.P. Mayhew
1991

Becker
Father Joe D'Andrea
1998

Hot in Cleveland
Roy · Self
2010

MADtv
Self
1995

The Hudsucker Proxy
Chief
1994

Atlantis: The Lost Empire
Preston B. Whitmore (voice)
2001

Say Anything...
James Court
1989

Teacher's Pet
Actor
2000

Never Mind the Buzzcocks
Self
1996

In the Line of Fire
Sam Campagna
1993

Eight Men Out
Kid Gleason
1988

Moonstruck
Perry
1987

The Making of 'The Iron Giant'
Self
1999

Frantic
Williams
1988

Suspect
Judge Matthew Bishop Helms
1987

Dan in Real Life
Poppy
2007

The American President
Leo Solomon
1995

Reality Bites
Grant Gubler
1994

American Experience
(voice)
1988

Kronk's New Groove
Papi (voice)
2005

Tin Men
Moe Adams
1987

Atlantis: Milo's Return
Whitmore (voice)
2003

The Broken Hearts Club: A Romantic Comedy
Jack
2000

Article 99
Dr. Henry Dreyfoos
1992

The Manhattan Project
Lt. Col. Conroy
1986

Antz
Grebs (Drunk Scout) (voice)
1998

The Russia House
Brady
1990

Betrayed
Shorty
1988

$#*! My Dad Says
Lt. Col. Wally Durham
2010

Striking Distance
Vince Hardy
1993

Code of Silence
Prowler Representative
1985

She's the One
Mr. Fitzpatrick
1996

Streets of Gold
Linehan
1986

The Groomsmen
Paulie's Dad (uncredited) · Thanks
2006

Frasier: Analyzing the Laughter
Martin Crane
2004

The Hustler of Money
Eddie
1987

The Giant's Dream: The Making of the Iron Giant
Self
2016
The Human Factor
Dr. Alec McMurtry
1992

First Steps
'60 Minutes' Producer
1985

The Killing Floor
Thomas Condon
1984

The Frasier Story
Self
1999

Almost Salinas
Max Harris
2001
Mariette in Ecstasy
Dr. Claude Baptiste
1996

Chicago Story
Actor
1982

H.E.L.P.
Patrick Meacham
1990

Gary the Rat
Actor
2003

The House of Blue Leaves
Artie Shaughnessy
1987
The Bathhouse
Thanks
2013