John Mahoney
Credits
- Birthplace: Manchester, England, United Kingdom
- Birthday: June 20, 1940
Actor
- The Human FactorDr Alec McMurtry
- The 10 Million Dollar GetawayBurke
- H.E.L.P.Batallion Chief Patrick Meacham
- The House of Blue LeavesArtie Shaughnessy
- Hidden History of Chicago
- A Hard RainRoss Stewart
- The Secret Passion of Robert ClaytonRobert Clayton Sr
- Christmas in Washington
- Trapped in SilenceDr Winslow
- Dinner at EightOliver Jordan
- FrasierMartin Crane1993-2004
- The Water EngineMason Gross
- Law & Order: Trial by Jury2004-2005
- The Life and Times of Tuff HedemanInterviewee
- Colin Quinn Back in Brooklyn
- Frasier: Analyzing the LaughterMartin Crane
- The Making of: The Iron GiantInterviewee
- An Affectionate Look at Fatherhood
- Unnatural PursuitsPaddy Quinn
- Signing Off: A Dateline Special
- The ImageIrv Mickelson
- Favorite SonLou Brenner
- The 1998 Live Emmy Award Post-Show
- The 42nd Annual Tony Awards
- Chicago StoryLieutenant Rossei
- Fathers and SonsGene2004-2005
- Lady BlueFlynn
- The 10th Annual Screen Actors Guild Awards
- The Killing FloorThomas Condon
- Through Naked EyesPolice Captain
- Listen to Your HeartSecond Baseman
- Star Trek: 30 Years and Beyond
- First Steps60 Minutes Producer
- The Golden Globe's 50th Anniversary Celebration
- The 61st Annual Tony Awards
- The Amazing Mrs. PritchardReporter2007
- 3rd Rock From the SunDr Hanlin1995-1996
- BeckerFather Joe1999-2000
- Nothing SacredVince Reyneaux
- Tracey Takes On...
- CheersSy Flembeck1992
- In TreatmentWalter2009
- In TreatmentWalter2009
- Burn Notice2009
- The SimpsonsMr. Terwilliger2007
- ER2006
- Intimate Enemies: Lions and Buffalo
- Polar Bears: Arctic Terror
- Al Capone: Scarface
- 75 Seasons: The Story of the National Football League
- Coney Island
- Frasier1993-2004
- In Treatment2009
- 3rd Rock From the Sun1996
- ER2006
- Cheers1992
- The Simpsons2007
- Becker2000