image of Jason Alexander
Birthday: Sep 23, 1959
Place of Birth: Newark, New Jersey, USA

Jason Alexander

Jay Scott Greenspan, 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.

Filmography
Movie Cast Year
Pretty Woman Philip Stuckey 1990
Leo Jayda's Dad (voice) 2023
The Hunchback of Notre Dame Gargoyle Hugo (voice) 1996
Jacob's Ladder Geary 1990
Brighton Beach Memoirs Pool Player #1 1986
The Last Supper Anti-Enviroment 1995
Blankman Mr. Stone 1994
The Mosquito Coast Hardware Clerk 1986
The Burning Dave 1981
North North's Dad 1994
Quantum Quest: A Cassini Space Odyssey Moronic (voice) 2010
The Paper Marion Sandusky 1994
The Hunchback of Notre Dame II Gargoyle Hugo (voice) 2002
Farce of the Penguins Penguin on Belly (voice) 2006
Coneheads Larry Farber 1993
Shallow Hal Mauricio 2001
Hachi: A Dog's Tale Carl 2009
101 Dalmatians II: Patch's London Adventure Lightning (voice) 2003
White Palace Neil 1990
A Christmas Carol Jacob Marley / Marley's Ghost 2004
Bye Bye Birdie Albert J. Peterson 1995
Cinderella Lionel 1997
The Aristocrats Self 2005
Snoop Dogg's Hood of Horror British Record Mogul 2006
Rock Slyde Mailman Stan 2010
The Man Who Saved Christmas A.C. Gilbert 2002
Denial Art Witz 1998
For Goodness Sake Electronics Store Customer 1993
Love! Valour! Compassion! Buzz Hauser 1997
Dunston Checks In Robert Grant 1996
Titey Titey (voice) 1998
The Adventures of Rocky & Bullwinkle Boris 2000
There's Something About Romcoms Self 2016
A Fairly Odd Movie: Grow Up, Timmy Turner! Cosmo 2011
I Don't Buy Kisses Anymore Bernie Fishbine 1992
The Trumpet of the Swan Father (voice) 2001
How to Go Out on a Date in Queens Johnny 2006
For Better or Worse Michael Makeshift 1995
Stars In Shorts Sid Rosenthal 2012
The Voyages of Young Doctor Dolittle Eugene (voice) 2011
Jerry Seinfeld: Submarine Captain Himself 2007
The Last Laugh Self 2016
Rockabye Lt. Ernest Foy 1986
Madeline: Lost in Paris Uncle Horst / Henri (voice) 1999
Down on the Waterfront 1994
Wild Card Pinky 2015
The Electric State 2025
Cinderella: The Reunion, A Special Edition of 20/20 Self 2022
To the Journey - Looking Back at Star Trek: Voyager Self 2024
Out of Office 2022
The Return of Jafar Abis Mal - the Chief of the Thieves (voice) 1994
Lucky Stiff Vinnie Di Ruzzio 2014
Dick Van Dyke: 98 Years of Magic Self - Performer 2023
Jingle Bells Elf (Voice) 1999
Misery Loves Comedy Self 2015
Earth to America self 2005
Another Dirty Movie Self (uncredited) 2012
Not Your Time Sid Rosenthal 2010
Sideshow: Alive on the Inside Narrator 1999
Comedy Central Roast of William Shatner Self - Roastmaster 2006
Killing Me Softly with His Songs Self 2022
Ira & Abby Dr. Morris Saperstein 2006
Seinfeld: How It Began Himself/George Costanza 2004
The Conspiracy 2022
Larry Gaye: Renegade Male Flight Attendant Larry's Dad 2015
Broadway: The Next Generation Self 2017
Sex, Censorship and the Silver Screen Quote Reader 1996
The Grand Dr. Yakov Achmed 2007
They're Real & They're Spectacular: Seinfeld Super Fans & The Summer of George George Costanza (archive footage) 2016
Sexual Healing Frank 1993
How Murray Saved Christmas Doc Holiday (voice) 2014
Dora the Explorer: Dora's Enchanted Forest Adventures Owl (voice) 2011
The Very Best of America's Funniest Comedians Self (archive footage) 2003
Say It Ain't Solo Himself 2012
Stealing Pulp Fiction Dr. Mendelbaum 2024
Meteor Dr. Chetwyn 1970
Ultimate Trek: Star Trek's Greatest Moments Host 1999
For the Love of Spock Self 2016
Let's Rap Fire Safety 2000
Best Worst Thing That Ever Could Have Happened... Self 2016
The Truth Is in the Stars Self 2017
Bucky and the Squirrels Jason Alexander 2018
Larry David: Curb Your Enthusiasm Self 1999
The N.Y. Friars Club Roast of Jerry Stiller Self - Roastmaster 1999
My Boyfriend's Meds Dr. Sternbach 2020
Love and Action in Chicago Frank Bonner 1999
The Portuguese Kid Barry Dragonetti 2018
Faith Based Nicky Steele 2020
The Gettysburg Address Noah Brooks (voice) 2025
Senior Trip Pete 1981
Richard Lovely Mr. Mouse 1970
Being 'Shallow Hal' Self 2001
Tom and Jerry: Back to Oz Mr. Bibb / The Nome King (voice) 2016
The Rocky Horror Musical Live Stream Narrator 2020
The Sisters Rosensweig Mervyn 1970
The Mark Lembeck Technique Mark Lembeck 2016
Broadway: Beyond the Golden Age Self 2021
Series Cast Year
Talkshow with Spike Feresten 2006
Duckman Duckman (voice) 1994
Son of the Beach 2000
Everybody Hates Chris 2005
Seinfeld George Costanza 1989
The Ellen DeGeneres Show Self 2003
The Tony Danza Show Self - Guest 2004
Dream On Randall Townsend 1990
Jimmy Kimmel Live! 2003
Friends Earl 1994
Star Trek: Voyager Kurros 1995
Monk Marty Eels 2002
The Larry Sanders Show Jason Alexander 1992
The Legend of Tarzan Zutho (voice) 2001
Disney's House of Mouse 2001
Dinosaurs Grown Baby (voice) 1991
Aladdin Abis Mal (voice) 1994
Hercules Poseidon 1998
E/R Harold Stickley 1984
Newhart 1982
The New Adventures of Old Christine Dr. Palmer 2006
The Huntress 2000
Late Night with David Letterman Self 1982
Muppets Tonight Self 1996
Bob Patterson Bob Patterson 2001
Listen Up! Tony Kleinman 2004
E/R 1984
The Late Late Show with Craig Ferguson Self 2005
Everything's Relative Julian Beeby 1987
Where My Dogs At? 2006
Step It Up and Dance 2008
The Cleveland Show 2009
The Marriage Ref Self - Panelist 2010
The Late Late Show with Craig Kilborn Self - Guest 1999
Good Day Live Self 2001
The Emmy Awards Self 1949
Fish Hooks Mr. Nibbles 2010
Meteor Dr. Chetwyn 2009
Saturday Night Live Self - Host 1975
Critics Choice Awards Self 2001
Community Mountain Man 2009
American Dad! Mr. Orlando (voice) 2005
The Movies That Made Us Self 2019
Comedy Bang! Bang! Inspector Gantlet 2012
Drunk History William Tweed 2013
The Grinder Cliff Bemis 2015
Two and a Half Men Dr. Goodman 2003
Favorite Son Chris Van Allen 1988
Late Night with Seth Meyers Self 2014
Talking Dead Self 2011
The Late Late Show with James Corden Self 2015
Aladdin Captain Albatross (voice) 1994
Aladdin Abis Mal / Abnor Mal (voice) 1994
Big Time in Hollywood, Fl Jason Alexander 2015
The Twilight Zone Patient 2002
The Tom and Jerry Show Rick (voice) 2014
Dinosaurs Stu (voice) 1991
Hollywood Squares Self - Panelist 1998
Penn Zero: Part-Time Hero Coach Wallace (voice) 2014
Fish Hooks Mr. Nibbles (voice) 2010
Tony Awards Self - Presenter 1956
History of the Sitcom Self - Actor 2021
Reading Rainbow Himself - Narrator (voice) 1983
Hit the Road Ken Swallow 2017
Dinner with Dad Jason Alexander 2017
The Marvelous Mrs. Maisel Asher Friedman 2017
TripTank Doctor (voice) 2014
Match Game Self - Panelist 2016
Shatner's Raw Nerve Self 2008
The $100,000 Pyramid Self 2016
Kody Kapow Goji (voice) 2017
Criminal Minds Prof. Rothchild 2005
Harley Quinn Sy Borgman (voice) 2019
The Orville Olix 2017
Dinosaurs Gus Molehill (voice) 1991
Dinosaurs The Job Wizard (voice) 1991
Dinosaurs General H. Norman Conquest (voice) 1991
Dinosaurs Sexual Harris (voice) 1991
Dinosaurs UFO! Host / Announcer (voice) 1991
Comedians in Cars Getting Coffee Self 2012
Rachael Ray Self - Guest 2006
The Conners Pastor Phil 2018
Star Trek: Prodigy Doctor Noum (voice) 2021
China, IL Harold (voice) 2011
Dilbert Catbert (voice) 1999
Stars in the House Self 2020
Stars in the House Self - Special Guest 2020
Saturday Night Live Self - Cameo (uncredited) 1975
Young Sheldon Gene Lundy 2017
A Capitol Fourth Self 1980
Robot Chicken Krampus (voice) 2005
Curb Your Enthusiasm Jason Alexander 2000
The Simpsons Bourbon Verlander (voice) 1989
American Dad! Sal (voice) 2005
Real Time with Bill Maher Self 2003
Kirstie Stanford Temple 2013
Hollywood Game Night Self 2013
Mad About You Jason Alexander 2019
Primetime Glick 2001
History of the World: Part II Maurice Cheeks 2023
LIVE with Kelly and Mark Self - Guest 1988
Star Trek: Prodigy Counselor Noum (voice) 2021
Saturday TV Funhouse Titey (voice) 1970
Rock, Paper, Scissors Jonathan Fartjoke 2024
Hercules Poseidon (voice) 1998
To Tell the Truth Self - Panelist 2016
Malcolm in the Middle Leonard 2000
Thank God You're Here Self 2007
Celebrity Wheel of Fortune Self - Contestant 2021
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