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 | To the Journey - Looking Back at Star Trek: Voyager | self | 2025 |
Series | Saturday TV Funhouse | Titey (voice) | 2025 |
Movie | Dick Van Dyke: 98 Years of Magic | Self - Performer | 2023-12-21 |
Movie | Out of Office | 2022-09-05 | |
Movie | Broadway: Beyond the Golden Age | Self | 2021-08-14 |
Movie | Take Me to the World: A Sondheim 90th Birthday Celebration | Self | 2020-04-26 |
Movie | Faith Based | Nicky Steele | 2020-10-09 |
Movie | The Rocky Horror Musical Live Stream | Narrator | 2020-10-31 |
Movie | Bucky and the Squirrels | Jason Alexander | 2018-01-26 |
Movie | The Truth Is in the Stars | Self | 2017-05-01 |
Series | Kody Kapow | Goji (voice) | 2017-07-15 |
Series | Hit the Road | Ken Swallow | 2017-10-17 |
Movie | Tom and Jerry: Back to Oz | Mr. Bibb / The Nome King (voice) | 2016-06-21 |
Movie | For the Love of Spock | Himself | 2016-09-09 |
Movie | The Last Laugh | Self | 2016-04-18 |
Movie | The Mark Lembeck Technique | Mark Lembeck | 2016-12-02 |
Movie | Best Worst Thing That Ever Could Have Happened... | Himself | 2016-10-09 |
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 | The Gettysburg Address | Noah Brooks (voice) | 2015-01-01 |
Series | Big Time in Hollywood, Fl | Jason Alexander | 2015-03-25 |
Series | The Grinder | Cliff Bemis | 2015-09-29 |
Movie | Larry Gaye: Renegade Male Flight Attendant | Larry's Dad | 2015-06-05 |
Movie | How Murray Saved Christmas | Doc Holiday (voice) | 2014-12-05 |
Movie | Lucky Stiff | Vinnie Di Ruzzio | 2014-10-08 |
Movie | Tom's Restaurant - A Documentary About Everything | 2014-12-22 | |
Series | Drunk History | William Tweed | 2013-07-09 |
Movie | Another Dirty Movie | Self (uncredited) | 2012-04-25 |
Movie | Say It Ain't Solo | Himself | 2012-04-01 |
Movie | Stars In Shorts | Sid Rosenthal | 2012-09-28 |
Movie | Delhi Safari | Male Flamingo / Hyena Cook (voice) | 2012-10-19 |
Series | China, IL | Harold (voice) | 2011-10-02 |
Movie | A Fairly Odd Movie: Grow Up, Timmy Turner! | Cosmo | 2011-07-09 |
Series | Talking Dead | Himself | 2011-10-16 |
Movie | The Voyages of Young Doctor Dolittle | Eugene (voice) | 2011-11-01 |
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 |
Movie | Hachi: A Dog's Tale | Carl | 2009-06-08 |
Series | Meteor | Dr. Chetwyn | 2009-07-12 |
Series | The Cleveland Show | Unknown | 2009-09-27 |
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 |
Movie | Farce of the Penguins | Penguin on Belly (voice) | 2007-07-14 |
Series | Where My Dogs At? | Unknown | 2006-06-10 |
Series | The New Adventures of Old Christine | Unknown | 2006-03-13 |
Movie | Snoop Dogg's Hood of Horror | British Record Mogul | 2006-06-27 |
Movie | Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
Movie | How to Go Out on a Date in Queens | Johnny | 2006-07-28 |
Series | Talkshow with Spike Feresten | Unknown | 2006-09-16 |
Movie | Comedy Central Roast of William Shatner | Self - Roastmaster | 2006-08-20 |
Movie | The Aristocrats | Self | 2005-07-29 |
Series | Everybody Hates Chris | Unknown | 2005-09-22 |
Movie | Earth to America | self | 2005-11-20 |
Series | Bobobo-bo Bo-bobo | Unknown | 2005-10-01 |
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 | The Ellen DeGeneres Show | Unknown | 2003-09-08 |
Series | Two and a Half Men | Dr. Goodman | 2003-09-22 |
Series | Monk | Unknown | 2002-07-12 |
Series | Make Way for Noddy | Clockwork Clown (voice) | 2002-09-02 |
Movie | The Hunchback of Notre Dame II | Gargoyle Hugo (voice) | 2002-02-05 |
Movie | The Man Who Saved Christmas | A.C. Gilbert | 2002-12-15 |
Series | The Twilight Zone | Unknown | 2002-09-18 |
Movie | 101 Dalmatians II: Patch's London Adventure | Lightning (voice) | 2002-11-06 |
Movie | The Trumpet of the Swan | Father (voice) | 2001-05-11 |
Series | The Legend of Tarzan | Unknown | 2001-09-03 |
Series | Disney's House of Mouse | 2001-01-13 | |
Series | Good Day Live | Unknown | 2001-09-17 |
Movie | Shallow Hal | Mauricio | 2001-11-01 |
Series | Bob Patterson | Bob Patterson | 2001-10-02 |
Series | Son of the Beach | Unknown | 2000-03-14 |
Movie | Let's Rap Fire Safety | 2000-03-09 | |
Movie | The Adventures of Rocky & Bullwinkle | Boris | 2000-06-30 |
Series | The Huntress | Unknown | 2000-07-26 |
Series | Curb Your Enthusiasm | Unknown | 2000-10-15 |
Movie | Sideshow: Alive on the Inside | Narrator | 1999-03-05 |
Series | The Late Late Show with Craig Kilborn | Unknown | 1999-03-30 |
Movie | Jingle Bells | Elf (Voice) | 1999-01-01 |
Movie | Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
Movie | Madeline: Lost in Paris | Uncle Horst / Henri (voice) | 1999-08-02 |
Movie | Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
Movie | Denial | Art Witz | 1998-01-01 |
Series | Hercules | Poseidon | 1998-08-31 |
Movie | Titey | Titey (voice) | 1998-05-15 |
Movie | Love! Valour! Compassion! | Buzz Hauser | 1997-05-16 |
Movie | Cinderella | Lionel | 1997-11-02 |
Series | Critics' Choice Movie 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 |
Movie | For Better or Worse | Michael Makeshift | 1995-03-19 |
Series | Star Trek: Voyager | Unknown | 1995-01-16 |
Movie | Bye Bye Birdie | Albert J. Peterson | 1995-12-03 |
Movie | The Last Supper | Anti-Enviroment | 1995-09-08 |
Movie | The Paper | Marion Sandusky | 1994-03-18 |
Series | Aladdin | Abis Mal | 1994-02-06 |
Movie | Down on the Waterfront | 1994-04-26 | |
Series | Duckman | Duckman (voice) | 1994-03-05 |
Movie | Blankman | Mr. Stone | 1994-08-19 |
Movie | The Return of Jafar | Abis Mal - the Chief of the Thieves (voice) | 1994-05-20 |
Series | Friends | Earl | 1994-09-22 |
Movie | North | North's Dad | 1994-07-22 |
Series | Walker, Texas Ranger | Unknown | 1993-04-21 |
Movie | Sexual Healing | Frank | 1993-07-18 |
Movie | Coneheads | Larry Farber | 1993-07-23 |
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 |
Series | Dream On | Unknown | 1990-07-08 |
Movie | Pretty Woman | Philip Stuckey | 1990-03-23 |
Movie | White Palace | Neil | 1990-10-19 |
Movie | Jacob's Ladder | Geary | 1990-11-02 |
Series | Seinfeld | George Costanza | 1989-07-05 |
Series | LIVE with Kelly and Mark | Unknown | 1988-09-05 |
Series | Favorite Son | Chris Van Allen | 1988-10-30 |
Series | Everything's Relative | Julian Beeby | 1987-10-03 |
Movie | The Mosquito Coast | Hardware Clerk | 1986-11-26 |
Movie | Rockabye | Lt. Ernest Foy | 1986-01-11 |
Movie | Brighton Beach Memoirs | Pool Player #1 | 1986-12-26 |
Series | E/R | Unknown | 1984-09-16 |
Series | Late Night with David Letterman | Unknown | 1982-02-01 |
Series | Newhart | Unknown | 1982-10-02 |
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 |