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 Sisters Rosensweig | Mervyn | 2025 |
Movie | The Electric State | 2025-03-13 | |
Series | Saturday TV Funhouse | Titey (voice) | 2025 |
Movie | Dia Angkasa | Aray | 2024-07-29 |
Movie | Leo | Jayda's Dad (voice) | 2023-11-17 |
Movie | Dick Van Dyke: 98 Years of Magic | Self - Performer | 2023-12-21 |
Movie | Out of Office | 2022-09-05 | |
Movie | Cinderella: The Reunion, A Special Edition of 20/20 | Self | 2022-08-23 |
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 |
Movie | The Truth Is in the Stars | Self | 2017-05-01 |
Series | Hit the Road | Ken Swallow | 2017-10-17 |
Movie | Broadway: The Next Generation | Self | 2017-11-16 |
Movie | The Last Laugh | Self | 2016-04-18 |
Movie | Popeye | Bluto | 2016-05-05 |
Movie | For the Love of Spock | Self | 2016-09-09 |
Movie | Tom and Jerry: Back to Oz | Mr. Bibb / The Nome King (voice) | 2016-06-21 |
Movie | Best Worst Thing That Ever Could Have Happened... | Self | 2016-11-18 |
Movie | The Mark Lembeck Technique | Mark Lembeck | 2016-12-02 |
Movie | Misery Loves Comedy | Self | 2015-01-23 |
Movie | Wild Card | Pinky | 2015-01-14 |
Series | The Late Late Show with James Corden | Himself | 2015-03-23 |
Movie | Larry Gaye: Renegade Male Flight Attendant | Larry's Dad | 2015-06-05 |
Series | The Grinder | Cliff Bemis | 2015-09-29 |
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 | Tom's Restaurant - A Documentary About Everything | 2014-12-22 | |
Movie | How Murray Saved Christmas | Doc Holiday (voice) | 2014-12-05 |
Series | Drunk History | William Tweed | 2013-07-09 |
Movie | Say It Ain't Solo | Himself | 2012-04-01 |
Movie | Stars In Shorts | Sid Rosenthal | 2012-09-28 |
Movie | Another Dirty Movie | Self (uncredited) | 2012-04-25 |
Movie | The Voyages of Young Doctor Dolittle | Eugene (voice) | 2011-11-01 |
Series | Franklin & Bash | Carter Lang | 2011-06-01 |
Movie | A Fairly Odd Movie: Grow Up, Timmy Turner! | Cosmo | 2011-07-09 |
Series | Talking Dead | Himself | 2011-10-16 |
Series | China, IL | Harold (voice) | 2011-10-02 |
Movie | Dora the Explorer: Dora's Enchanted Forest Adventures | Owl (voice) | 2011-09-13 |
Movie | Rock Slyde | Mailman Stan | 2010-05-01 |
Series | Fish Hooks | Mr. Nibbles | 2010-09-03 |
Movie | Quantum Quest: A Cassini Space Odyssey | Moronic (voice) | 2010-09-17 |
Movie | Not Your Time | Sid Rosenthal | 2010-09-24 |
Series | The Cleveland Show | Unknown | 2009-09-27 |
Movie | Hachi: A Dog's Tale | Carl | 2009-06-08 |
Series | Community | Mountain Man | 2009-09-17 |
Series | Meteor | Dr. Chetwyn | 2009-07-12 |
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 | Talkshow with Spike Feresten | Unknown | 2006-09-16 |
Movie | Farce of the Penguins | Penguin on Belly (voice) | 2006-12-01 |
Series | The New Adventures of Old Christine | Unknown | 2006-03-13 |
Movie | Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
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 |
Movie | Snoop Dogg's Hood of Horror | British Record Mogul | 2006-06-27 |
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 | Everybody Hates Chris | Unknown | 2005-09-22 |
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 |
Series | Two and a Half Men | Dr. Goodman | 2003-09-22 |
Movie | The Very Best of America's Funniest Comedians | Self (archive footage) | 2003-05-13 |
Series | The Ellen DeGeneres Show | Unknown | 2003-09-08 |
Movie | The Hunchback of Notre Dame II | Gargoyle Hugo (voice) | 2002-02-06 |
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 |
Series | Make Way for Noddy | Clockwork Clown (voice) | 2002-09-02 |
Series | Disney's House of Mouse | 2001-01-13 | |
Movie | The Trumpet of the Swan | Father (voice) | 2001-05-11 |
Series | The Legend of Tarzan | Unknown | 2001-09-03 |
Movie | Shallow Hal | Mauricio | 2001-11-01 |
Movie | Being 'Shallow Hal' | Self | 2001-11-06 |
Series | Bob Patterson | Bob Patterson | 2001-10-02 |
Movie | Let's Rap Fire Safety | 2000-03-09 | |
Series | Curb Your Enthusiasm | Unknown | 2000-10-15 |
Movie | The Adventures of Rocky & Bullwinkle | Boris | 2000-06-30 |
Series | Son of the Beach | Unknown | 2000-03-14 |
Movie | Jingle Bells | Elf (Voice) | 1999-01-01 |
Movie | Sideshow: Alive on the Inside | Narrator | 1999-03-05 |
Movie | Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
Movie | Love and Action in Chicago | Frank Bonner | 1999-09-15 |
Series | The Late Late Show with Craig Kilborn | Unknown | 1999-03-30 |
Movie | Madeline: Lost in Paris | Uncle Horst / Henri (voice) | 1999-08-02 |
Movie | Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
Movie | Titey | Titey (voice) | 1998-05-15 |
Series | Hercules | Poseidon | 1998-08-31 |
Movie | Denial | Art Witz | 1998-01-01 |
Movie | Love! Valour! Compassion! | Buzz Hauser | 1997-05-16 |
Movie | Cinderella | Lionel | 1997-11-02 |
Movie | The Hunchback of Notre Dame | Gargoyle Hugo (voice) | 1996-06-21 |
Movie | Sex, Censorship and the Silver Screen | Quote Reader | 1996-01-01 |
Series | Muppets Tonight | Unknown | 1996-03-08 |
Movie | Dunston Checks In | Robert Grant | 1996-01-12 |
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 |
Series | Aladdin | Abis Mal | 1994-02-06 |
Series | Friends | Earl | 1994-09-22 |
Series | Duckman | Duckman (voice) | 1994-03-05 |
Movie | The Paper | Marion Sandusky | 1994-03-18 |
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 |
Movie | Coneheads | Larry Farber | 1993-07-23 |
Movie | Sexual Healing | Frank | 1993-07-18 |
Series | Walker, Texas Ranger | Unknown | 1993-04-21 |
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 | White Palace | Neil | 1990-10-19 |
Movie | Jacob's Ladder | Geary | 1990-11-02 |
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 | The Mosquito Coast | Hardware Clerk | 1986-11-26 |
Movie | Rockabye | Lt. Ernest Foy | 1986-01-11 |
Series | Newhart | Unknown | 1982-10-02 |
Series | Late Night with David Letterman | Unknown | 1982-02-01 |
Movie | The Burning | Dave | 1981-05-08 |
Movie | Senior Trip | Pete | 1981-12-30 |
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 |