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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Cinderella: The Reunion, A Special Edition of 20/20 | Self | 2022-08-23 |
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Out of Office | 2022-09-05 | |
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Dunston Checks Out | Jason Alexander (archival footage) | 2022-02-01 |
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Killing Me Softly with His Songs | Self | 2022-11-10 |
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The Conspiracy | 2022-11-17 | |
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Broadway: Beyond the Golden Age | Self | 2021-08-14 |
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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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Faith Based | Nicky Steele | 2020-10-09 |
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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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Broadway: The Next Generation | Self | 2017-11-16 |
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There's Something About Romcoms | Self | 2016-08-20 |
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The Last Laugh | Self | 2016-04-18 |
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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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Best Worst Thing That Ever Could Have Happened... | Self | 2016-11-18 |
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Tom and Jerry: Back to Oz | Mr. Bibb / The Nome King (voice) | 2016-06-21 |
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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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China, Il The Musical | Harold | 2015-06-14 |
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Wild Card | Pinky | 2015-01-14 |
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Lucky Stiff | Vinnie Di Ruzzio | 2014-10-08 |
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How Murray Saved Christmas | Doc Holiday (voice) | 2014-12-05 |
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Stars In Shorts | Sid Rosenthal | 2012-09-28 |
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Say It Ain't Solo | Himself | 2012-04-01 |
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National Lampoon's Another Dirty Movie | Self (uncredited) | 2012-04-25 |
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The Voyages of Young Doctor Dolittle | Eugene (voice) | 2011-11-01 |
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Dora the Explorer: Dora's Enchanted Forest Adventures | Owl (voice) | 2011-09-13 |
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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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Not Your Time | Sid Rosenthal | 2010-09-24 |
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Quantum Quest: A Cassini Space Odyssey | Moronic (voice) | 2010-09-17 |
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Hachi: A Dog's Tale | Carl | 2009-06-08 |
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Jerry Seinfeld: Submarine Captain | Himself | 2007-07-02 |
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The Grand | Dr. Yakov Achmed | 2007-06-07 |
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Farce of the Penguins | Penguin on Belly (voice) | 2006-12-01 |
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Comedy Central Roast of William Shatner | Self - Roastmaster | 2006-08-20 |
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Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
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How to Go Out on a Date in Queens | Johnny | 2006-07-28 |
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Snoop Dogg's Hood of Horror | British Record Mogul | 2006-06-27 |
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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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Seinfeld: How It Began | Self/George Costanza | 2004-11-23 |
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A Christmas Carol | Jacob Marley / Marley's Ghost | 2004-11-28 |
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Kramer vs. Kramer: Kenny to Cosmo | Self | 2004-11-23 |
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The Seinfeld Story | Self | 2004-11-25 |
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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 Man Who Saved Christmas | A.C. Gilbert | 2002-12-15 |
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The Hunchback of Notre Dame II | Gargoyle Hugo (voice) | 2002-02-06 |
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Being 'Shallow Hal' | Self | 2001-11-06 |
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The Trumpet of the Swan | Father (voice) | 2001-05-11 |
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On Edge | Zamboni Phil | 2001-06-17 |
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Bravo Profiles: Penn and Teller | Self | 2001-01-24 |
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Shallow Hal | Mauricio Wilson | 2001-11-01 |
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Let's Rap Fire Safety | 2000-03-09 | |
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The Adventures of Rocky & Bullwinkle | Boris | 2000-06-30 |
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Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
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Madeline: Lost in Paris | Uncle Horst / Henri (voice) | 1999-08-02 |
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Jingle Bells | Elf (Voice) | 1999-01-01 |
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Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
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Sideshow: Alive on the Inside | Narrator | 1999-03-05 |
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The N.Y. Friars Club Roast of Jerry Stiller | Self - Roastmaster | 1999-10-27 |
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Love and Action in Chicago | Frank Bonner | 1999-09-15 |
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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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Sex, Censorship and the Silver Screen | Quote Reader | 1996-01-01 |
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Dunston Checks In | Robert Grant | 1996-01-12 |
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Bye Bye Birdie | Albert J. Peterson | 1995-12-03 |
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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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The Paper | Marion Sandusky | 1994-03-18 |
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North | North's Dad | 1994-07-22 |
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The Return of Jafar | Abis Mal - the Chief of the Thieves (voice) | 1994-05-20 |
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Down on the Waterfront | 1994-04-26 | |
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Blankman | Mr. Stone | 1994-08-19 |
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Sexual Healing | Frank | 1993-07-18 |
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For Goodness Sake | Electronics Store Customer | 1993-01-01 |
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Coneheads | Larry Farber | 1993-07-23 |
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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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The Mosquito Coast | Hardware Clerk | 1986-11-26 |
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Rockabye | Lt. Ernest Foy | 1986-01-11 |
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The Burning | Dave | 1981-05-08 |
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Senior Trip | Pete | 1981-12-30 |
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Leo 2 | ||
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The Sisters Rosensweig | Mervyn |
