John Mahoney
| Year | Movie | Function | Role |
| 2010 | Hot In Cleveland | actor | Roy (4 episodes, 2011) |
| 2010 | Hot in Cleveland | actor | Roy (4 episodes, 2011) |
| 2007 | Dan in Real Life | actor | Poppy |
| 2005 | The Emperor's New Groove 2: Kronk's New Groove | actor | Papi (voice) |
| 2005 | Fathers and Sons | actor | Gene |
| 2003 | Atlantis: Milo's Return | actor | Whitmore (voice) |
| 2001 | Atlantis: The Lost Empire | actor | Preston B. Whitmore (voice) |
| 2000 | The Broken Hearts Club: A Romantic Comedy | actor | Jack |
| 1999 | The Iron Giant | actor | General Rogard (voice) |
| 1998 | Antz | actor | Grebs / Drunk Scout / Additional Voices (voice) |
| 1996 | She's the One | actor | Mr. Fitzpatrick |
| 1996 | Primal Fear | actor | Shaughnessy |
| 1996 | Star Trek: 30 Years and Beyond | actor | Martin Crane |
| 1995 | The American President | actor | Leo Solomon |
| 1994 | The Hudsucker Proxy | actor | Chief |
| 1994 | Reality Bites | actor | Grant Gubler |
| 1993 | Striking Distance | actor | Lt. Vince Hardy |
| 1993 | In the Line of Fire | actor | Secret Service Director Sam Campagna |
| 1992 | The Water Engine | actor | Mason Gross |
| 1992 | Article 99 | actor | Dr. Henry Dreyfoos |
| 1991 | Barton Fink | actor | W.P. Mayhew |
| 1990 | The Russia House | actor | Brady |
| 1989 | Say Anything... | actor | James Court |
| 1988 | Eight Men Out | actor | William 'Kid' Gleason |
| 1988 | Frantic | actor | U.S. Embassy Official |
| 1988 | Betrayed | actor | Shorty |
| 1987 | Moonstruck | actor | Perry |
| 1987 | Suspect | actor | Judge Matthew Bishop Helms |
| 1987 | Tin Men | actor | Moe Adams |
| 1986 | Streets of Gold | actor | Linnehan |
| 1985 | Code of silence | actor | 'Prowler' Representative |