Personal Info
Known Credits
97
Gender
Male
Birthdate
1959-09-23 (66 Y.O)
Place Of Birth
Newark, New Jersey, USA
Also Known For
Jason Scott Greenspan
Jason Alexander
Biography
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 ...
Known For
Acting
2025 --
The Gettysburg Address
| Noah Brooks (voice)
2025 --
The Electric State
|
2024 --
To the Journey - Looking Back at Star Trek: Voyager
| Self
2024 --
Stealing Pulp Fiction
| Dr. Mendelbaum
2023 --
Dick Van Dyke: 98 Years of Magic
| Self - Performer
2023 --
Leo
| Jayda's Dad (voice)
2022 --
The Conspiracy
|
2022 --
Killing Me Softly with His Songs
| Self
2022 --
Out of Office
|
2022 --
Cinderella: The Reunion, A Special Edition of 20/20
| Self
2021 --
Broadway: Beyond the Golden Age
| Self
2020 --
The Rocky Horror Musical Live Stream
| Narrator
2020 --
Faith Based
| Nicky Steele
2020 --
My Boyfriend's Meds
| Dr. Sternbach
2018 --
The Portuguese Kid
| Barry Dragonetti
2018 --
Bucky and the Squirrels
| Jason Alexander
2017 --
Broadway: The Next Generation
| Self
2017 --
The Truth Is in the Stars
| Self
2016 --
The Mark Lembeck Technique
| Mark Lembeck
2016 --
Best Worst Thing That Ever Could Have Happened...
| Self
2016 --
For the Love of Spock
| Self
2016 --
There's Something About Romcoms
| Self
2016 --
Tom and Jerry: Back to Oz
| Mr. Bibb / The Nome King (voice)
2016 --
The Last Laugh
| Self
2016 --
They're Real & They're Spectacular: Seinfeld Super Fans & The Summer of George
| George Costanza (archive footage)
2015 --
Larry Gaye: Renegade Male Flight Attendant
| Larry's Dad
2015 --
Misery Loves Comedy
| Self
2015 --
Wild Card
| Pinky
2014 --
How Murray Saved Christmas
| Doc Holiday (voice)
2014 --
Lucky Stiff
| Vinnie Di Ruzzio
2012 --
Stars In Shorts
| Sid Rosenthal
2012 --
Another Dirty Movie
| Self (uncredited)
2012 --
Say It Ain't Solo
| Himself
2011 --
The Voyages of Young Doctor Dolittle
| Eugene (voice)
2011 --
Dora the Explorer: Dora's Enchanted Forest Adventures
| Owl (voice)
2011 --
A Fairly Odd Movie: Grow Up, Timmy Turner!
| Cosmo
2010 --
Not Your Time
| Sid Rosenthal
2010 --
Quantum Quest: A Cassini Space Odyssey
| Moronic (voice)
2010 --
Rock Slyde
| Mailman Stan
2009 --
Hachi: A Dog's Tale
| Carl
2007 --
Jerry Seinfeld: Submarine Captain
| Himself
2007 --
The Grand
| Dr. Yakov Achmed
2006 --
Farce of the Penguins
| Penguin on Belly (voice)
2006 --
Comedy Central Roast of William Shatner
| Self - Roastmaster
2006 --
How to Go Out on a Date in Queens
| Johnny
2006 --
Snoop Dogg's Hood of Horror
| British Record Mogul
2006 --
Ira & Abby
| Dr. Morris Saperstein
2005 --
Earth to America
| self
2005 --
The Aristocrats
| Self
2004 --
A Christmas Carol
| Jacob Marley / Marley's Ghost
2004 --
Seinfeld: How It Began
| Himself/George Costanza
2003 --
The Very Best of America's Funniest Comedians
| Self (archive footage)
2003 --
101 Dalmatians II: Patch's London Adventure
| Lightning (voice)
2002 --
The Man Who Saved Christmas
| A.C. Gilbert
2002 --
The Hunchback of Notre Dame II
| Gargoyle Hugo (voice)
2001 --
Being 'Shallow Hal'
| Self
2001 --
Shallow Hal
| Mauricio
2001 --
The Trumpet of the Swan
| Father (voice)
2000 --
The Adventures of Rocky & Bullwinkle
| Boris
2000 --
Let's Rap Fire Safety
|
1999 --
Ultimate Trek: Star Trek's Greatest Moments
| Host
1999 --
The N.Y. Friars Club Roast of Jerry Stiller
| Self - Roastmaster
1999 --
Larry David: Curb Your Enthusiasm
| Self
1999 --
Love and Action in Chicago
| Frank Bonner
1999 --
Madeline: Lost in Paris
| Uncle Horst / Henri (voice)
1999 --
Sideshow: Alive on the Inside
| Narrator
1999 --
Jingle Bells
| Elf (Voice)
1998 --
Denial
| Art Witz
1998 --
Titey
| Titey (voice)
1997 --
Cinderella
| Lionel
1997 --
Love! Valour! Compassion!
| Buzz Hauser
1996 --
The Hunchback of Notre Dame
| Gargoyle Hugo (voice)
1996 --
Dunston Checks In
| Robert Grant
1996 --
Sex, Censorship and the Silver Screen
| Quote Reader
1995 --
Bye Bye Birdie
| Albert J. Peterson
1995 --
The Last Supper
| Anti-Enviroment
1995 --
For Better or Worse
| Michael Makeshift
1994 --
Blankman
| Mr. Stone
1994 --
North
| North's Dad
1994 --
The Return of Jafar
| Abis Mal - the Chief of the Thieves (voice)
1994 --
Down on the Waterfront
|
1994 --
The Paper
| Marion Sandusky
1993 --
Coneheads
| Larry Farber
1993 --
Sexual Healing
| Frank
1993 --
For Goodness Sake
| Electronics Store Customer
1992 --
I Don't Buy Kisses Anymore
| Bernie Fishbine
1990 --
Jacob's Ladder
| Geary
1990 --
White Palace
| Neil
1990 --
Pretty Woman
| Philip Stuckey
1986 --
Brighton Beach Memoirs
| Pool Player #1
1986 --
The Mosquito Coast
| Hardware Clerk
1986 --
Rockabye
| Lt. Ernest Foy
1981 --
Senior Trip
| Pete
1981 --
The Burning
| Dave