From Wikipedia, the free encyclopedia. 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.
Movie | The Gettysburg Address | Noah Brooks (voice) | 2025-11-19 |
Movie | The Electric State | 2025-03-13 | |
Movie | The Sisters Rosensweig | Mervyn | 2025 |
Movie | Dia Angkasa | Aray | 2024-07-29 |
Movie | Dick Van Dyke: 98 Years of Magic | Self - Performer | 2023-12-21 |
Movie | Leo | Jayda's Dad (voice) | 2023-11-17 |
Movie | Cinderella: The Reunion, A Special Edition of 20/20 | Self | 2022-08-23 |
Movie | The Conspiracy | 2022-11-17 | |
Movie | Out of Office | 2022-09-05 | |
Movie | Killing Me Softly with His Songs | Self | 2022-11-10 |
Movie | Broadway: Beyond the Golden Age | Self | 2021-08-14 |
Movie | The Rocky Horror Musical Live Stream | Narrator | 2020-10-31 |
Movie | Faith Based | Nicky Steele | 2020-10-09 |
Movie | Bucky and the Squirrels | Jason Alexander | 2018-01-26 |
Series | Dinner with Dad | Jason Alexander | 2017-03-10 |
Movie | The Truth Is in the Stars | Self | 2017-05-01 |
Series | Kody Kapow | Goji (voice) | 2017-07-15 |
Movie | Broadway: The Next Generation | Self | 2017-11-16 |
Series | Hit the Road | Ken Swallow | 2017-10-17 |
Movie | The Last Laugh | Self | 2016-04-18 |
Movie | Tom and Jerry: Back to Oz | Mr. Bibb / The Nome King (voice) | 2016-06-21 |
Movie | The Mark Lembeck Technique | Mark Lembeck | 2016-12-02 |
Movie | There's Something About Romcoms | Self | 2016-08-20 |
Movie | Best Worst Thing That Ever Could Have Happened... | Self | 2016-10-09 |
Movie | For the Love of Spock | Self | 2016-09-09 |
Movie | Misery Loves Comedy | Self | 2015-01-23 |
Series | The Late Late Show with James Corden | Himself | 2015-03-23 |
Movie | Wild Card | Pinky | 2015-01-14 |
Series | The Grinder | Cliff Bemis | 2015-09-29 |
Movie | Larry Gaye: Renegade Male Flight Attendant | Larry's Dad | 2015-06-05 |
Series | Big Time in Hollywood, Fl | Jason Alexander | 2015-03-25 |
Movie | The Borderlands | Christening Guest | 2014-03-28 |
Movie | Lucky Stiff | Vinnie Di Ruzzio | 2014-10-08 |
Movie | How Murray Saved Christmas | Doc Holiday (voice) | 2014-12-05 |
Movie | Tom's Restaurant - A Documentary About Everything | 2014-12-22 | |
Series | Drunk History | William Tweed | 2013-07-09 |
Movie | Say It Ain't Solo | Himself | 2012-04-01 |
Movie | Another Dirty Movie | Self (uncredited) | 2012-04-25 |
Movie | Stars In Shorts | Sid Rosenthal | 2012-09-28 |
Movie | The Voyages of Young Doctor Dolittle | Eugene (voice) | 2011-11-01 |
Movie | A Fairly Odd Movie: Grow Up, Timmy Turner! | Cosmo | 2011-07-09 |
Movie | Dora the Explorer: Dora's Enchanted Forest Adventures | Owl (voice) | 2011-09-13 |
Series | Talking Dead | Himself | 2011-10-16 |
Series | China, IL | Harold (voice) | 2011-10-02 |
Movie | Rock Slyde | Mailman Stan | 2010-05-01 |
Movie | Not Your Time | Sid Rosenthal | 2010-09-24 |
Series | Fish Hooks | Mr. Nibbles | 2010-09-03 |
Movie | Quantum Quest: A Cassini Space Odyssey | Moronic (voice) | 2010-09-17 |
Movie | Hachi: A Dog's Tale | Carl | 2009-06-08 |
Series | The Cleveland Show | Unknown | 2009-09-27 |
Series | Meteor | Dr. Chetwyn | 2009-07-12 |
Series | Community | Mountain Man | 2009-09-17 |
Series | Step It Up and Dance | Unknown | 2008-04-03 |
Movie | The Grand | Dr. Yakov Achmed | 2007-06-07 |
Movie | Jerry Seinfeld: Submarine Captain | Himself | 2007-07-02 |
Series | Where My Dogs At? | Unknown | 2006-06-10 |
Movie | Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
Series | The New Adventures of Old Christine | Unknown | 2006-03-13 |
Series | Talkshow with Spike Feresten | Unknown | 2006-09-16 |
Movie | Snoop Dogg's Hood of Horror | British Record Mogul | 2006-06-27 |
Movie | Farce of the Penguins | Penguin on Belly (voice) | 2006-12-01 |
Movie | Comedy Central Roast of William Shatner | Self - Roastmaster | 2006-08-20 |
Movie | How to Go Out on a Date in Queens | Johnny | 2006-07-28 |
Series | Everybody Hates Chris | Unknown | 2005-09-22 |
Movie | The Aristocrats | Self | 2005-07-29 |
Series | Bobobo-bo Bo-bobo | Unknown | 2005-10-01 |
Movie | Earth to America | self | 2005-11-20 |
Series | The Tony Danza Show | Unknown | 2004-09-13 |
Series | Listen Up! | Tony Kleinman | 2004-09-20 |
Movie | Seinfeld: How It Began | Himself/George Costanza | 2004-11-23 |
Movie | A Christmas Carol | Jacob Marley / Marley's Ghost | 2004-11-28 |
Series | Real Time with Bill Maher | Unknown | 2003-02-21 |
Series | Jimmy Kimmel Live! | Unknown | 2003-01-26 |
Movie | The Very Best of America's Funniest Comedians | Self (archive footage) | 2003-05-13 |
Series | Two and a Half Men | Dr. Goodman | 2003-09-22 |
Series | The Ellen DeGeneres Show | Unknown | 2003-09-08 |
Movie | The Hunchback of Notre Dame II | Gargoyle Hugo (voice) | 2002-02-06 |
Series | Make Way for Noddy | Clockwork Clown (voice) | 2002-09-02 |
Series | Monk | Unknown | 2002-07-12 |
Movie | The Man Who Saved Christmas | A.C. Gilbert | 2002-12-15 |
Movie | 101 Dalmatians II: Patch's London Adventure | Lightning (voice) | 2002-11-06 |
Series | The Twilight Zone | Unknown | 2002-09-18 |
Movie | The Trumpet of the Swan | Father (voice) | 2001-05-11 |
Series | Disney's House of Mouse | 2001-01-13 | |
Series | The Legend of Tarzan | Unknown | 2001-09-03 |
Movie | Being 'Shallow Hal' | Self | 2001-11-06 |
Movie | Shallow Hal | Mauricio | 2001-11-01 |
Series | Bob Patterson | Bob Patterson | 2001-10-02 |
Series | Good Day Live | Unknown | 2001-09-17 |
Movie | Let's Rap Fire Safety | 2000-03-09 | |
Series | Son of the Beach | Unknown | 2000-03-14 |
Series | The Huntress | Unknown | 2000-07-26 |
Series | Curb Your Enthusiasm | Unknown | 2000-10-15 |
Movie | The Adventures of Rocky & Bullwinkle | Boris | 2000-06-30 |
Movie | Jingle Bells | Elf (Voice) | 1999-01-01 |
Series | The Late Late Show with Craig Kilborn | Unknown | 1999-03-30 |
Movie | Love and Action in Chicago | Frank Bonner | 1999-09-15 |
Movie | Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
Movie | Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
Movie | Madeline: Lost in Paris | Uncle Horst / Henri (voice) | 1999-08-02 |
Movie | Denial | Art Witz | 1998-01-01 |
Series | Hercules | Poseidon | 1998-08-31 |
Movie | Love! Valour! Compassion! | Buzz Hauser | 1997-05-16 |
Movie | Cinderella | Lionel | 1997-11-02 |
Series | Critics Choice Awards | Himself | 1996-01-10 |
Movie | Sex, Censorship and the Silver Screen | Quote Reader | 1996-01-01 |
Movie | Dunston Checks In | Robert Grant | 1996-01-12 |
Series | Muppets Tonight | Unknown | 1996-03-08 |
Movie | The Hunchback of Notre Dame | Gargoyle Hugo (voice) | 1996-06-21 |
Series | Star Trek: Voyager | Unknown | 1995-01-16 |
Movie | The Last Supper | Anti-Enviroment | 1995-09-08 |
Movie | Bye Bye Birdie | Albert J. Peterson | 1995-12-03 |
Movie | For Better or Worse | Michael Makeshift | 1995-03-19 |
Movie | The Paper | Marion Sandusky | 1994-03-18 |
Series | Duckman | Duckman (voice) | 1994-03-05 |
Movie | Down on the Waterfront | 1994-04-26 | |
Series | Aladdin | Abis Mal | 1994-02-06 |
Series | Friends | Earl | 1994-09-22 |
Movie | Blankman | Mr. Stone | 1994-08-19 |
Movie | North | North's Dad | 1994-07-22 |
Movie | The Return of Jafar | Abis Mal - the Chief of the Thieves (voice) | 1994-05-20 |
Series | Walker, Texas Ranger | Unknown | 1993-04-21 |
Movie | Coneheads | Larry Farber | 1993-07-23 |
Movie | Sexual Healing | Frank | 1993-07-18 |
Movie | I Don't Buy Kisses Anymore | Bernie Fishbine | 1992-04-24 |
Series | The Larry Sanders Show | Unknown | 1992-08-15 |
Series | Dinosaurs | Unknown | 1991-04-26 |
Movie | Pretty Woman | Philip Stuckey | 1990-03-23 |
Series | Dream On | Unknown | 1990-07-08 |
Movie | Jacob's Ladder | Geary | 1990-11-02 |
Movie | White Palace | Neil | 1990-10-19 |
Series | Seinfeld | George Costanza | 1989-07-05 |
Series | Favorite Son | Chris Van Allen | 1988-10-30 |
Series | LIVE with Kelly and Mark | Unknown | 1988-09-05 |
Series | Everything's Relative | Julian Beeby | 1987-10-03 |
Movie | Brighton Beach Memoirs | Pool Player #1 | 1986-12-26 |
Movie | Rockabye | Lt. Ernest Foy | 1986-01-11 |
Movie | The Mosquito Coast | Hardware Clerk | 1986-11-26 |
Series | E/R | Unknown | 1984-09-16 |
Series | Newhart | Unknown | 1982-10-02 |
Series | Late Night with David Letterman | Unknown | 1982-02-01 |
Movie | Senior Trip | Pete | 1981-12-30 |
Movie | The Burning | Dave | 1981-05-08 |
Series | Saturday Night Live | Unknown | 1975-10-11 |
Series | The Tonight Show Starring Johnny Carson | Unknown | 1962-10-01 |
Series | The Emmy Awards | Unknown | 1949-01-25 |