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 | Richard Lovely | Mr. Mouse | 2025 |
Movie | The Gettysburg Address | Noah Brooks (voice) | 2025-11-19 |
Series | Saturday TV Funhouse | Titey (voice) | 2025 |
Movie | The Electric State | 2025-03-13 | |
Movie | The Sisters Rosensweig | Mervyn | 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 | The Conspiracy | 2022-11-17 | |
Movie | Cinderella: The Reunion, A Special Edition of 20/20 | Self | 2022-08-23 |
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 | Himself | 2020-04-26 |
Movie | The Rocky Horror Musical Live Stream | Narrator | 2020-10-31 |
Movie | My Boyfriend's Meds | Dr. Sternbach | 2020-02-14 |
Movie | Faith Based | Nicky Steele | 2020-10-09 |
Movie | Bucky and the Squirrels | Jason Alexander | 2018-01-26 |
Movie | The Portuguese Kid | Barry Dragonetti | 2018-02-14 |
Series | Dinner with Dad | Jason Alexander | 2017-03-10 |
Movie | The Truth Is in the Stars | Self | 2017-05-01 |
Movie | Broadway: The Next Generation | Self | 2017-11-16 |
Series | Hit the Road | Ken Swallow | 2017-10-17 |
Series | Kody Kapow | Goji (voice) | 2017-07-15 |
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 | Best Worst Thing That Ever Could Have Happened... | Self | 2016-10-09 |
Movie | For the Love of Spock | Self | 2016-09-09 |
Movie | There's Something About Romcoms | Self | 2016-08-20 |
Movie | Wild Card | Pinky | 2015-01-14 |
Movie | Misery Loves Comedy | Self | 2015-01-23 |
Series | Big Time in Hollywood, Fl | Jason Alexander | 2015-03-25 |
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 |
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 | Stars In Shorts | Sid Rosenthal | 2012-09-28 |
Movie | Another Dirty Movie | Self (uncredited) | 2012-04-25 |
Movie | Say It Ain't Solo | Himself | 2012-04-01 |
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 |
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 | 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 | Where My Dogs At? | Unknown | 2006-06-10 |
Series | The New Adventures of Old Christine | Unknown | 2006-03-13 |
Movie | Ira & Abby | Dr. Morris Saperstein | 2006-06-23 |
Movie | Farce of the Penguins | Penguin on Belly (voice) | 2006-12-01 |
Movie | Snoop Dogg's Hood of Horror | British Record Mogul | 2006-06-27 |
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 | 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 |
Movie | A Christmas Carol | Jacob Marley / Marley's Ghost | 2004-11-28 |
Series | Listen Up! | Tony Kleinman | 2004-09-20 |
Movie | Seinfeld: How It Began | Himself/George Costanza | 2004-11-23 |
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 |
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 | Unknown | 2001-01-13 |
Movie | The Trumpet of the Swan | Father (voice) | 2001-05-11 |
Series | The Legend of Tarzan | Unknown | 2001-09-03 |
Series | Bob Patterson | Bob Patterson | 2001-10-02 |
Movie | Shallow Hal | Mauricio | 2001-11-01 |
Movie | Being 'Shallow Hal' | Self | 2001-11-06 |
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 | Curb Your Enthusiasm | Unknown | 2000-10-15 |
Series | The Huntress | Unknown | 2000-07-26 |
Movie | The Adventures of Rocky & Bullwinkle | Boris | 2000-06-30 |
Movie | Sideshow: Alive on the Inside | Narrator | 1999-03-05 |
Movie | Jingle Bells | Elf (Voice) | 1999-01-01 |
Series | The Late Late Show with Craig Kilborn | Unknown | 1999-03-30 |
Movie | Ultimate Trek: Star Trek's Greatest Moments | Host | 1999-12-01 |
Movie | The N.Y. Friars Club Roast of Jerry Stiller | Self - Roastmaster | 1999-10-27 |
Movie | Larry David: Curb Your Enthusiasm | Self | 1999-10-17 |
Movie | Love and Action in Chicago | Frank Bonner | 1999-09-15 |
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 | 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 |
Movie | The Hunchback of Notre Dame | Gargoyle Hugo (voice) | 1996-06-21 |
Series | Muppets Tonight | Unknown | 1996-03-08 |
Movie | Dunston Checks In | Robert Grant | 1996-01-12 |
Series | Critics Choice Awards | Himself | 1996-01-10 |
Series | Star Trek: Voyager | Unknown | 1995-01-16 |
Movie | The Last Supper | Anti-Enviroment | 1995-09-08 |
Movie | For Better or Worse | Michael Makeshift | 1995-03-19 |
Movie | Bye Bye Birdie | Albert J. Peterson | 1995-12-03 |
Series | Duckman | Duckman (voice) | 1994-03-05 |
Series | Friends | Earl | 1994-09-22 |
Movie | The Paper | Marion Sandusky | 1994-03-18 |
Series | Aladdin | Abis Mal | 1994-02-06 |
Movie | North | North's Dad | 1994-07-22 |
Movie | Blankman | Mr. Stone | 1994-08-19 |
Movie | The Return of Jafar | Abis Mal - the Chief of the Thieves (voice) | 1994-05-20 |
Movie | Down on the Waterfront | 1994-04-26 | |
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 |
Movie | Jacob's Ladder | Geary | 1990-11-02 |
Movie | White Palace | Neil | 1990-10-19 |
Series | Dream On | Unknown | 1990-07-08 |
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 | 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 | 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 | A Capitol Fourth | Self | 1980-07-04 |
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 |