Jason Alexander
- Known for
- Acting
- Born
- September 23, 1959
- Birthplace
- Newark, New Jersey, USA
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.
Filmography
- Doom Scroll
Doom Scroll TBA
Actor
Leo 2 TBA
Actor
The Sisters Rosensweig TBA
as Mervyn
Broadway: The Next Generation TBA
as Self
Jimmy 2026
as Louis B. Mayer
To Kill a Nazi 2026
as Narrator
The Gettysburg Address 2025
as Noah Brooks (voice)
Paddy Chayefsky: Collector of Words 2025
as Self
Stealing Pulp Fiction 2025
as Dr. Mendelbaum
The Electric State 2025
as Ted / Wingman
Dick Van Dyke: 98 Years of Magic 2023
as Self - Performer
Leo 2023
as Jayda's Dad (voice)
The Conspiracy 2022
Actor
Killing Me Softly with His Songs 2022
as Self
Out of Office 2022
Actor
Cinderella: The Reunion, A Special Edition of 20/20 2022
as Self
Dunston Checks Out 2022
as Jason Alexander (archival footage)
Broadway: Beyond the Golden Age 2021
as Self
The Rocky Horror Musical Live Stream 2020
as Narrator
Faith Based 2020
as Nicky Steele
My Boyfriend's Meds 2020
as Dr. Sternbach
The Portuguese Kid 2018
as Barry Dragonetti
Bucky and the Squirrels 2018
as Jason Alexander
The Truth Is in the Stars 2017
as Self
The Mark Lembeck Technique 2016
as Mark Lembeck, Consulting Producer
Best Worst Thing That Ever Could Have Happened... 2016
as Self
For the Love of Spock 2016
as Self
There's Something About Romcoms 2016
as Self
Tom and Jerry: Back to Oz 2016
as Mr. Bibb / The Nome King (voice)
The Last Laugh 2016
as Self (archive footage) (uncredited)
China, Il The Musical 2015
as Harold
Larry Gaye: Renegade Male Flight Attendant 2015
as Larry's Dad
Misery Loves Comedy 2015
as Self
Wild Card 2015
as Pinky
How Murray Saved Christmas 2014
as Doc Holiday (voice)
Lucky Stiff 2014
as Vinnie Di Ruzzio
Stars in Shorts 2012
as Sid Rosenthal
National Lampoon's Another Dirty Movie 2012
as Self (uncredited)
- Say It Ain't Solo
Say It Ain't Solo 2012
as Self
The Voyages of Young Doctor Dolittle 2011
as Eugene (voice)
Dora the Explorer: Dora's Enchanted Forest Adventures 2011
as Owl (voice)
A Fairly Odd Movie: Grow Up, Timmy Turner! 2011
as Cosmo
Not Your Time 2010
as Sid Rosenthal
Rock Slyde 2010
as Mailman Stan
Hachi: A Dog's Tale 2009
as Carl
Jerry Seinfeld: Submarine Captain 2007
as Self
The Grand 2007
as Dr. Yakov Achmed
Farce of the Penguins 2006
as Penguin on Belly (voice)
Comedy Central Roast of William Shatner 2006
as Self - Roastmaster
How to Go Out on a Date in Queens 2006
as Johnny
Snoop Dogg's Hood of Horror 2006
as British Record Mogul
Ira & Abby 2006
as Dr. Morris Saperstein
Earth to America 2005
as self
The Aristocrats 2005
as Self
A Christmas Carol 2004
as Jacob Marley / Marley's Ghost
The Seinfeld Story 2004
as Self
Kramer vs. Kramer: Kenny to Cosmo 2004
as Self
Seinfeld: How It Began 2004
as Self/George Costanza
Agent Cody Banks 2: Destination London 2004
Executive Producer
The Very Best of America's Funniest Comedians 2003
as Self (archive footage)
Agent Cody Banks 2003
Executive Producer
101 Dalmatians II: Patch's London Adventure 2003
as Lightning (voice)
The Man Who Saved Christmas 2002
as A.C. Gilbert
The Hunchback of Notre Dame II 2002
as Gargoyle Hugo (voice)
Being 'Shallow Hal' 2001
as Self
Shallow Hal 2001
as Mauricio Wilson
On Edge 2001
as Zamboni Phil
The Trumpet of the Swan 2001
as Father (voice)
Bravo Profiles: Penn and Teller 2001
as Self
The Adventures of Rocky & Bullwinkle 2000
as Boris
Let's Rap Fire Safety 2000
as Seemore Smoke (voice)
Ultimate Trek: Star Trek's Greatest Moments 1999
as Host
The N.Y. Friars Club Roast of Jerry Stiller 1999
as Self - Roastmaster
Just Looking 1999
Director
Larry David: Curb Your Enthusiasm 1999
as Self
Love and Action in Chicago 1999
as Frank Bonner
Madeline: Lost in Paris 1999
as Uncle Horst / Henri (voice)
Sideshow: Alive on the Inside 1999
as Narrator
Jingle Bells 1999
as Elf (Voice)
Denial 1998
as Art Witz
Titey 1998
as Titey (voice)
Cinderella 1997
as Lionel
Love! Valour! Compassion! 1997
as Buzz Hauser
The Hunchback of Notre Dame 1996
as Gargoyle Hugo (voice)
The Making of Disney's The Hunchback of Notre Dame 1996
Actor
Dunston Checks In 1996
as Robert Grant
Bye Bye Birdie 1995
as Albert J. Peterson
The Last Supper 1995
as Anti-Enviroment
For Better or Worse 1995
as Michael Makeshift, Director
A Tribute to Stephen Sondheim 1995
Actor
The Return of Jafar 1994
as Abis Mal (voice)
Blankman 1994
as Mr. Stone
North 1994
as North's Dad
Down on the Waterfront 1994
Actor
The Paper 1994
as Marion Sandusky
Coneheads 1993
as Larry Farber
Sexual Healing 1993
as Frank
For Goodness Sake 1993
as Electronics Store Customer
I Don't Buy Kisses Anymore 1992
as Bernie Fishbine
Jacob's Ladder 1990
as Geary
White Palace 1990
as Neil
Pretty Woman 1990
as Philip Stuckey
Brighton Beach Memoirs 1986
as Pool Player #1
The Mosquito Coast 1986
as Hardware Clerk
Rockabye 1986
as Lt. Ernest Foy
Senior Trip 1981
as Pete
The Burning 1981
as Dave
Credits from TMDB.