Actor
Jason Alexander
104 movies as actor · 2 as director
Born Sep 23, 1959 (age 67)From Newark, New Jersey, USA Also known as Jason Scott Greenspan , جیسون الکساندر, Jay Scott Greenspan
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.
Known for
Pretty Woman
1990 · Romance, Comedy
Hachi: A Dog's Tale
2009 · Drama, Family
The Hunchback of Notre Dame
1996 · Drama, Animation
The Return of Jafar
1994 · Family, Adventure
Shallow Hal
2001 · Comedy, Drama
Jacob's Ladder
1990 · Drama, Mystery
Wild Card
2015 · Thriller, Crime
The Electric State
2025 · Action, Adventure
Leo
2023 · Animation, Comedy
101 Dalmatians II: Patch's London Adventure
2003 · Family, Animation
Coneheads
1993 · Comedy, Sci-Fi
The Hunchback of Notre Dame II
2002 · Animation, Family
Jason Alexander movies
Broadway: The Next Generation
Self
The Sisters Rosensweig
Mervyn
Leo 2
Upcoming
Jimmy
2026 · Louis B. Mayer
To Kill a Nazi
2026 · Narrator
The Gettysburg Address
2025 · Noah Brooks (voice)
Paddy Chayefsky: Collector of Words
2025 · Self
Stealing Pulp Fiction
2025 · Dr. Mendelbaum
The Electric State
2025 · Ted / Wingman
Dick Van Dyke: 98 Years of Magic
2023 · Self - Performer
Leo
2023 · Jayda's Dad (voice)
The Conspiracy
2022
Killing Me Softly with His Songs
2022 · Self
Out of Office
2022
Cinderella: The Reunion, A Special Edition of 20/20
2022 · Self
Dunston Checks Out
2022 · Jason Alexander (archival footage)
Broadway: Beyond the Golden Age
2021 · Self
The Rocky Horror Musical Live Stream
2020 · Narrator
Faith Based
2020 · Nicky Steele
My Boyfriend's Meds
2020 · Dr. Sternbach
The Portuguese Kid
2018 · Barry Dragonetti
Bucky and the Squirrels
2018 · Jason Alexander
The Truth Is in the Stars
2017 · Self
The Mark Lembeck Technique
2016 · Mark Lembeck
Best Worst Thing That Ever Could Have Happened...
2016 · Self
For the Love of Spock
2016 · Self
There's Something About Romcoms
2016 · Self
Tom and Jerry: Back to Oz
2016 · Mr. Bibb / The Nome King (voice)
The Last Laugh
2016 · Self (archive footage) (uncredited)
China, Il The Musical
2015 · Harold
Larry Gaye: Renegade Male Flight Attendant
2015 · Larry's Dad
Misery Loves Comedy
2015 · Self
Wild Card
2015 · Pinky
How Murray Saved Christmas
2014 · Doc Holiday (voice)
Lucky Stiff
2014 · Vinnie Di Ruzzio
Stars in Shorts
2012 · Sid Rosenthal
National Lampoon's Another Dirty Movie
2012 · Self (uncredited)
Say It Ain't Solo
Say It Ain't Solo
2012 · Self
The Voyages of Young Doctor Dolittle
2011 · Eugene (voice)
Dora the Explorer: Dora's Enchanted Forest Adventures
2011 · Owl (voice)
A Fairly Odd Movie: Grow Up, Timmy Turner!
2011 · Cosmo
Not Your Time
2010 · Sid Rosenthal
Quantum Quest: A Cassini Space Odyssey
2010 · Moronic (voice)
Rock Slyde
2010 · Mailman Stan
Hachi: A Dog's Tale
2009 · Carl
Jerry Seinfeld: Submarine Captain
2007 · Self
The Grand
2007 · Dr. Yakov Achmed
Farce of the Penguins
2006 · Penguin on Belly (voice)
Comedy Central Roast of William Shatner
2006 · Self - Roastmaster
How to Go Out on a Date in Queens
2006 · Johnny
Snoop Dogg's Hood of Horror
2006 · British Record Mogul
Ira & Abby
2006 · Dr. Morris Saperstein
Earth to America
2005 · self
The Aristocrats
2005 · Self
A Christmas Carol
2004 · Jacob Marley / Marley's Ghost
The Seinfeld Story
2004 · Self
Seinfeld: How It Began
2004 · Self/George Costanza
Kramer vs. Kramer: Kenny to Cosmo
2004 · Self
The Very Best of America's Funniest Comedians
2003 · Self (archive footage)
101 Dalmatians II: Patch's London Adventure
2003 · Lightning (voice)
The Man Who Saved Christmas
2002 · A.C. Gilbert
The Hunchback of Notre Dame II
2002 · Gargoyle Hugo (voice)
Being 'Shallow Hal'
2001 · Self
Shallow Hal
2001 · Mauricio Wilson
On Edge
2001 · Zamboni Phil
The Trumpet of the Swan
2001 · Father (voice)
Bravo Profiles: Penn and Teller
2001 · Self
The Adventures of Rocky & Bullwinkle
2000 · Boris
Let's Rap Fire Safety
2000
Ultimate Trek: Star Trek's Greatest Moments
1999 · Host
The N.Y. Friars Club Roast of Jerry Stiller
1999 · Self - Roastmaster
Larry David: Curb Your Enthusiasm
1999 · Self
Love and Action in Chicago
1999 · Frank Bonner
Madeline: Lost in Paris
1999 · Uncle Horst / Henri (voice)
Sideshow: Alive on the Inside
1999 · Narrator
Jingle Bells
1999 · Elf (Voice)
Denial
1998 · Art Witz
Titey
1998 · Titey (voice)
Cinderella
1997 · Lionel
Love! Valour! Compassion!
1997 · Buzz Hauser
The Hunchback of Notre Dame
1996 · Gargoyle Hugo (voice)
The Making of Disney's The Hunchback of Notre Dame
1996
Dunston Checks In
1996 · Robert Grant
Bye Bye Birdie
1995 · Albert J. Peterson
The Last Supper
1995 · Anti-Enviroment
For Better or Worse
1995 · Michael Makeshift
A Tribute to Stephen Sondheim
1995
The Return of Jafar
1994 · Abis Mal (voice)
Blankman
1994 · Mr. Stone
North
1994 · North's Dad
Down on the Waterfront
1994
The Paper
1994 · Marion Sandusky
Coneheads
1993 · Larry Farber
Sexual Healing
1993 · Frank
For Goodness Sake
1993 · Electronics Store Customer
I Don't Buy Kisses Anymore
1992 · Bernie Fishbine
Jacob's Ladder
1990 · Geary
White Palace
1990 · Neil
Pretty Woman
1990 · Philip Stuckey
Brighton Beach Memoirs
1986 · Pool Player #1
The Mosquito Coast
1986 · Hardware Clerk
Rockabye
1986 · Lt. Ernest Foy
Senior Trip
1981 · Pete
The Burning
1981 · Dave
Directed by Jason Alexander
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