Jason Alexander

Acting·Sep 23, 1959·Newark, New Jersey, USA

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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.

Film	Credit
Jimmy2026 · Louis B. Mayer	Louis B. Mayer
The Gettysburg Address2025 · Noah Brooks (voice)	Noah Brooks (voice)
Paddy Chayefsky: Collector of Words2025 · Self	Self
Stealing Pulp Fiction2025 · Dr. Mendelbaum	Dr. Mendelbaum
The Electric State2025 · Ted / Wingman	Ted / Wingman
Dick Van Dyke: 98 Years of Magic2023 · Self - Performer	Self - Performer
Leo2023 · Jayda's Dad (voice)	Jayda's Dad (voice)
The Conspiracy2022 · Actor	Actor
Killing Me Softly with His Songs2022 · Self	Self
Out of Office2022 · Actor	Actor
Cinderella: The Reunion, A Special Edition of 20/202022 · Self	Self
Dunston Checks Out2022 · Jason Alexander (archival footage)	Jason Alexander (archival footage)
Broadway: Beyond the Golden Age2021 · Self	Self
The Rocky Horror Musical Live Stream2020 · Narrator	Narrator
Faith Based2020 · Nicky Steele	Nicky Steele
My Boyfriend's Meds2020 · Dr. Sternbach	Dr. Sternbach
The Portuguese Kid2018 · Barry Dragonetti	Barry Dragonetti
Bucky and the Squirrels2018 · Jason Alexander	Jason Alexander
The Truth Is in the Stars2017 · Self	Self
The Mark Lembeck Technique2016 · Mark Lembeck	Mark Lembeck
Best Worst Thing That Ever Could Have Happened...2016 · Self	Self
For the Love of Spock2016 · Self	Self
There's Something About Romcoms2016 · Self	Self
Tom and Jerry: Back to Oz2016 · Mr. Bibb / The Nome King (voice)	Mr. Bibb / The Nome King (voice)
The Last Laugh2016 · Self (archive footage) (uncredited)	Self (archive footage) (uncredited)
China, Il The Musical2015 · Harold	Harold
Larry Gaye: Renegade Male Flight Attendant2015 · Larry's Dad	Larry's Dad
Misery Loves Comedy2015 · Self	Self
Wild Card2015 · Pinky	Pinky
How Murray Saved Christmas2014 · Doc Holiday (voice)	Doc Holiday (voice)
Lucky Stiff2014 · Vinnie Di Ruzzio	Vinnie Di Ruzzio
Stars in Shorts2012 · Sid Rosenthal	Sid Rosenthal
National Lampoon's Another Dirty Movie2012 · Self (uncredited)	Self (uncredited)
SSay It Ain't Solo2012 · Self	Self
The Voyages of Young Doctor Dolittle2011 · Eugene (voice)	Eugene (voice)
Dora the Explorer: Dora's Enchanted Forest Adventures2011 · Owl (voice)	Owl (voice)
A Fairly Odd Movie: Grow Up, Timmy Turner!2011 · Cosmo	Cosmo
Not Your Time2010 · Sid Rosenthal	Sid Rosenthal
Quantum Quest: A Cassini Space Odyssey2010 · Moronic (voice)	Moronic (voice)
Rock Slyde2010 · Mailman Stan	Mailman Stan
Hachi: A Dog's Tale2009 · Carl	Carl
Jerry Seinfeld: Submarine Captain2007 · Self	Self
The Grand2007 · Dr. Yakov Achmed	Dr. Yakov Achmed
Farce of the Penguins2006 · Penguin on Belly (voice)	Penguin on Belly (voice)
Comedy Central Roast of William Shatner2006 · Self - Roastmaster	Self - Roastmaster
How to Go Out on a Date in Queens2006 · Johnny	Johnny
Snoop Dogg's Hood of Horror2006 · British Record Mogul	British Record Mogul
Ira & Abby2006 · Dr. Morris Saperstein	Dr. Morris Saperstein