1959-09-23 Newark, New Jersey, USA
Jay Scott Greenspan (born September 23, 1959), better known by his professional name of Jason Alexander, is an American actor, writer, comedian, television director and producer, and singer. He is best known for his role as George Costanza on the television series Seinfeld, appearing in the sitcom from 1989 to 1998. He also has had an active career on the stage, appearing in several Broadway musicals including Jerome Robbins' Broadway in 1989, for which he won the Tony Award as Best Actor in a Musical. He appeared in the Los Angeles production of The Producers with Martin Short. He is the Artistic Director of "Reprise! Broadway's Best in Los Angeles," where he has directed several musicals. Alexander is also an avid poker player.
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Jimmy | Louis B. Mayer | 2026-11-20 |
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Stealing Pulp Fiction | Dr. Mendelbaum | 2025-06-27 |
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The Gettysburg Address | Noah Brooks (voice) | 2025-11-19 |
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Paddy Chayefsky: Collector of Words | Self | 2025-07-27 |
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The Electric State | Ted / Wingman | 2025-03-07 |
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Dick Van Dyke: 98 Years of Magic | Self - Performer | 2023-12-21 |
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Leo | Jayda's Dad (voice) | 2023-11-17 |
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Out of Office | 2022-09-05 | |
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Killing Me Softly with His Songs | Self | 2022-11-10 |
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Cinderella: The Reunion, A Special Edition of 20/20 | Self | 2022-08-23 |
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The Conspiracy | 2022-11-17 | |
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Dunston Checks Out | Jason Alexander (archival footage) | 2022-02-01 |
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Broadway: Beyond the Golden Age | Self | 2021-08-14 |
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Faith Based | Nicky Steele | 2020-10-09 |
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Las Pildoras de mi Novio | Dr. Sternbach | 2020-02-14 |
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The Rocky Horror Musical Live Stream | Narrator | 2020-10-31 |
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The Portuguese Kid | Barry Dragonetti | 2018-02-14 |
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Bucky and the Squirrels | Jason Alexander | 2018-01-26 |
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The Truth Is in the Stars | Self | 2017-05-01 |
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For the Love of Spock | Self | 2016-09-09 |
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The Mark Lembeck Technique | Mark Lembeck | 2016-12-02 |
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Tom and Jerry: Back to Oz | Mr. Bibb / The Nome King (voice) | 2016-06-21 |
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Best Worst Thing That Ever Could Have Happened... | Self | 2016-11-18 |
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The Last Laugh | Self (archive footage) (uncredited) | 2016-04-18 |
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There's Something About Romcoms | Self | 2016-08-20 |
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China, Il The Musical | Harold | 2015-06-14 |
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Larry Gaye: Renegade Male Flight Attendant | Larry's Dad | 2015-06-05 |
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Misery Loves Comedy | Self | 2015-01-23 |
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Wild Card | Pinky | 2015-01-14 |
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How Murray Saved Christmas | Doc Holiday (voice) | 2014-12-05 |
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Lucky Stiff | Vinnie Di Ruzzio | 2014-10-08 |
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National Lampoon's Another Dirty Movie | Self (uncredited) | 2012-04-25 |
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Stars in Shorts | Sid Rosenthal | 2012-09-28 |
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Say It Ain't Solo | Self | 2012-04-01 |
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Dora the Explorer: Dora's Enchanted Forest Adventures | Owl (voice) | 2011-09-13 |
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The Voyages of Young Doctor Dolittle | Eugene (voice) | 2011-11-01 |
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A Fairly Odd Movie: Grow Up, Timmy Turner! | Cosmo | 2011-07-09 |
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Rock Slyde | Mailman Stan | 2010-05-01 |
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Quantum Quest: A Cassini Space Odyssey | Moronic (voice) | 2010-09-17 |
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Not Your Time | Sid Rosenthal | 2010-09-24 |
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Hachi: A Dog's Tale | Carl | 2009-06-08 |
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Jerry Seinfeld: Submarine Captain | Self | 2007-07-02 |
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The Grand | Dr. Yakov Achmed | 2007-06-07 |
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How to Go Out on a Date in Queens | Johnny | 2006-07-28 |
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Farce of the Penguins | Penguin on Belly (voz) | 2006-12-01 |
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Snoop Dogg's Hood of Horror | British Record Mogul | 2006-06-27 |
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Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
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Comedy Central Roast of William Shatner | Self - Roastmaster | 2006-08-20 |
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Earth to America | self | 2005-11-20 |
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The Aristocrats | Self | 2005-07-29 |
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A Christmas Carol | Jacob Marley / Marley's Ghost | 2004-11-28 |
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The Seinfeld Story | Self | 2004-11-25 |
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Seinfeld: How It Began | Self/George Costanza | 2004-11-23 |
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Kramer vs. Kramer: Kenny to Cosmo | Self | 2004-11-23 |
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101 Dalmatians II: Patch's London Adventure | Lightning (voice) | 2003-03-02 |
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The Very Best of America's Funniest Comedians | Self (archive footage) | 2003-05-13 |
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The Hunchback of Notre Dame II | Gargoyle Hugo (voice) | 2002-02-06 |
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The Man Who Saved Christmas | A.C. Gilbert | 2002-12-15 |
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Being 'Shallow Hal' | Self | 2001-11-06 |
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Shallow Hal | Mauricio Wilson | 2001-11-01 |
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The Trumpet of the Swan | Father (voice) | 2001-05-11 |
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Bravo Profiles: Penn and Teller | Self | 2001-01-24 |
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On Edge | Zamboni Phil | 2001-06-17 |
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The Adventures of Rocky & Bullwinkle | Boris | 2000-06-30 |
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Let's Rap Fire Safety | 2000-03-09 | |
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Madeline: Lost in Paris | Uncle Horst / Henri (voice) | 1999-08-02 |
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Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
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Jingle Bells | Elf (Voice) | 1999-01-01 |
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Sideshow: Alive on the Inside | Narrator | 1999-03-05 |
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Love and Action in Chicago | Frank Bonner | 1999-09-15 |
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Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
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The N.Y. Friars Club Roast of Jerry Stiller | Self - Roastmaster | 1999-10-27 |
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Titey | Titey (voice) | 1998-05-15 |
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Denial | Art Witz | 1998-05-21 |
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Cinderella | Lionel | 1997-11-02 |
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Love! Valour! Compassion! | Buzz Hauser | 1997-05-16 |
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The Hunchback of Notre Dame | Gargoyle Hugo (voice) | 1996-06-21 |
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The Making of Disney's The Hunchback of Notre Dame | 1996-06-19 | |
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Dunston Checks In | Robert Grant | 1996-01-12 |
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For Better or Worse | Michael Makeshift | 1995-03-19 |
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The Last Supper | Anti-Enviroment | 1995-09-08 |
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A Tribute to Stephen Sondheim | 1995-01-12 | |
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Bye Bye Birdie | Albert J. Peterson | 1995-12-03 |
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The Paper | Marion Sandusky | 1994-03-18 |
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Blankman | Mr. Stone | 1994-08-19 |
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Down on the Waterfront | 1994-04-26 | |
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The Return of Jafar | Abis Mal - the Chief of the Thieves (voice) | 1994-12-15 |
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North | North's Dad | 1994-07-22 |
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Coneheads | Larry Farber | 1993-07-23 |
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For Goodness Sake | Electronics Store Customer | 1993-01-01 |
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Sexual Healing | Frank | 1993-07-18 |
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I Don't Buy Kisses Anymore | Bernie Fishbine | 1992-04-24 |
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Pretty Woman | Philip Stuckey | 1990-03-23 |
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White Palace | Neil | 1990-10-19 |
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Jacob's Ladder | Geary | 1990-11-02 |
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Brighton Beach Memoirs | Pool Player #1 | 1986-12-26 |
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Rockabye | Lt. Ernest Foy | 1986-01-11 |
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The Mosquito Coast | Hardware Clerk | 1986-11-26 |
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Senior Trip | Pete | 1981-12-30 |
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The Burning | Dave | 1981-05-08 |
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Broadway: The Next Generation | Self | |
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Leo 2 | ||
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The Sisters Rosensweig | Mervyn |
