| 31 Movies featuring Jason Alexander. |
| Broadway: The Next Generation | unknown | 2006 |
| Aristocrats, The | Himself | 2005 |
| How to Go Out On a Date In Queens | unknown | 2003 |
| On Edge | Zamboni Phil | 2001 |
| Odessa or Bust | The Agent | 2001 |
| Trumpet of the Swan, The | Father | 2001 |
| Shallow Hal | Mauricio Wilson | 2001 |
| Adventures of Rocky & Bullwinkle, The | Boris Badenov | 2000 |
| Madeline: Lost in Paris | Madeline's Uncle Henri Horst | 1999 |
| Just Looking | unknown | 1999 |
| Denial | Art Witz | 1998 |
| Love! Valour! Compassion! | Buzz Hauser | 1997 |
| Hunchback of Notre Dame, The | Hugo | 1996 |
| Good Money | Himself | 1996 |
| For Better or Worse | Michael Makeshift | 1996 |
| Dunston Checks In | Robert Grant | 1996 |
| Last Supper, The | The Anti-Environmentalist | 1995 |
| North | North's Dad | 1994 |
| Blankman | Mr. Stone | 1994 |
| Paper, The | Marion Sandusky, New York Parking Commissioner | 1994 |
| Sexual Healing | Frank | 1993 |
| For Goodness Sake | unknown | 1993 |
| Down on the Waterfront | Howie Silver | 1993 |
| Coneheads | Larry Farber | 1993 |
| I Don't Buy Kisses Anymore | Bernie Fishbine | 1992 |
| White Palace | Neil | 1990 |
| Pretty Woman | Philip 'Phil' Stuckey | 1990 |
| Jacob's Ladder | Geary | 1990 |
| Mosquito Coast, The | Hardware Clerk | 1986 |
| Brighton Beach Memoirs | Pool Player #1 | 1986 |
| Burning, The | Dave | 1981 |
| 15 TV Series featuring Jason Alexander. |
| TV Guide & TV Land Present: The 100 Most Memorable TV Moments | Himself | 2004 |
| Listen Up | Tony Kleinman | 2004 |
| House of Mouse | Hugo | 2001 |
| Bob Patterson | Bob Patterson | 2001 |
| Uncomfortably Close with Michael McKean | Himself | 1999 |
| Dilbert | Catbert | 1999 |
| Hercules | Poseidon | 1998 |
| Celebrity Profile | Himself | 1997 |
| Duckman | Eric Duckman | 1994 |
| Aladdin | Abis Mal | 1993 |
| Seinfeld | George Costanza | 1990 |
| More You Know, The | Himself | 1989 |
| Favorite Son | Chris Van Allen | 1988 |
| Everything's Relative | Julian Beeby | 1987 |
| E/R | Harold Stickley (1984-1985) | 1984 |
| 5 Videos featuring Jason Alexander. |
| 101 Dalmatians II: Patch's London Adventure | Lightning | 2003 |
| Hunchback of Notre Dame II, The | Hugo | 2002 |
| Love and Action in Chicago | Frank Bonner | 1999 |
| Sammy the Screenplay | Dennis Bottworth, the Writer | 1995 |
| Return of Jafar, The | Abis Mal, the Chief of the Thieves | 1994 |
