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 | 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 | Kody Kapow | Goji (voice) | 2017-07-15 |
Series | Hit the Road | Ken Swallow | 2017-10-17 |
Movie | The Mark Lembeck Technique | Mark Lembeck | 2016-12-02 |
Movie | Tom and Jerry: Back to Oz | Mr. Bibb / The Nome King (voice) | 2016-06-21 |
Movie | The Last Laugh | Self | 2016-04-18 |
Movie | For the Love of Spock | Himself | 2016-09-09 |
Movie | Best Worst Thing That Ever Could Have Happened... | Himself | 2016-10-09 |
Movie | Wild Card | Pinky | 2015-01-14 |
Movie | The Gettysburg Address | Noah Brooks (voice) | 2015-01-01 |
Movie | Misery Loves Comedy | Self | 2015-01-23 |
Series | The Grinder | Cliff Bemis | 2015-09-29 |
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 | Big Time in Hollywood, Fl | Jason Alexander | 2015-03-25 |
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 | Delhi Safari | Male Flamingo / Hyena Cook (voice) | 2012-10-19 |
Movie | Stars In Shorts | Sid Rosenthal | 2012-09-28 |
Movie | Say It Ain't Solo | Himself | 2012-04-01 |
Movie | Another Dirty Movie | Self (uncredited) | 2012-04-25 |
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 | Not Your Time | Sid Rosenthal | 2010-09-24 |
Movie | Quantum Quest: A Cassini Space Odyssey | Moronic (voice) | 2010-09-17 |
Movie | Hachi: A Dog's Tale | Carl | 2009-06-08 |
Series | Meteor | Dr. Chetwyn | 2009-07-12 |
Series | Community | Mountain Man | 2009-09-17 |
Series | The Cleveland Show | Unknown | 2009-09-27 |
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 | The New Adventures of Old Christine | Unknown | 2006-03-13 |
Series | Where My Dogs At? | Unknown | 2006-06-10 |
Movie | Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
Series | Talkshow with Spike Feresten | Unknown | 2006-09-16 |
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 |
Series | Everybody Hates Chris | Unknown | 2005-09-22 |
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 | Jimmy Kimmel Live! | Unknown | 2003-01-26 |
Series | Real Time with Bill Maher | Unknown | 2003-02-21 |
Series | Two and a Half Men | Dr. Goodman | 2003-09-22 |
Series | The Ellen DeGeneres Show | Unknown | 2003-09-08 |
Movie | The Very Best of America's Funniest Comedians | Self (archive footage) | 2003-05-13 |
Movie | The Hunchback of Notre Dame II | Gargoyle Hugo (voice) | 2002-02-05 |
Series | Monk | Unknown | 2002-07-12 |
Movie | 101 Dalmatians II: Patch's London Adventure | Lightning (voice) | 2002-11-06 |
Movie | The Man Who Saved Christmas | A.C. Gilbert | 2002-12-15 |
Series | Make Way for Noddy | Clockwork Clown (voice) | 2002-09-02 |
Series | The Twilight Zone | Unknown | 2002-09-18 |
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 |
Series | Bob Patterson | Bob Patterson | 2001-10-02 |
Movie | Shallow Hal | Mauricio | 2001-11-01 |
Movie | Let's Rap Fire Safety | 2000-03-09 | |
Series | Son of the Beach | Unknown | 2000-03-14 |
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 | Madeline: Lost in Paris | Uncle Horst / Henri (voice) | 1999-08-02 |
Movie | Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
Movie | Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
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 |
Movie | Sex, Censorship and the Silver Screen | Quote Reader | 1996-01-01 |
Series | Critics' Choice Movie Awards | Himself | 1996-01-10 |
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 | The Last Supper | Anti-Enviroment | 1995-09-08 |
Movie | Bye Bye Birdie | Albert J. Peterson | 1995-12-03 |
Series | Duckman | Duckman (voice) | 1994-03-05 |
Movie | The Paper | Marion Sandusky | 1994-03-18 |
Series | Aladdin | Abis Mal | 1994-02-06 |
Series | Friends | Earl | 1994-09-22 |
Movie | Down on the Waterfront | 1994-04-26 | |
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 | 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 | Rockabye | Lt. Ernest Foy | 1986-01-11 |
Movie | The Mosquito Coast | Hardware Clerk | 1986-11-26 |
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 | 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 |