
Jason Alexander
Known for Acting · 209 credits
- Born
- 1959-09-23 (age 66)
- Place of birth
- Newark, New Jersey, USA
- Also known as
- Jason Scott Greenspan · جیسون الکساندر · Jay Scott Greenspan
Biography
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
TV Shows (106)

Criminal Minds
2005
as Prof. Rothchild

The Simpsons
1989
as Bourbon Verlander (voice)

Late Night with Seth Meyers
2014
as Self - Guest

American Dad!
2005
as Mr. Orlando (voice) / Sal (voice)

Friends
1994
as Earl

Two and a Half Men
2003
as Dr. Goodman

Young Sheldon
2017
as Gene Lundy

Saturday Night Live
1975
as Self - Host / Self - Cameo (uncredited) / Titey (voice)

Real Time with Bill Maher
2003
as Self

Seinfeld
1989
as George Costanza

Monk
2002
as Marty Eels

Curb Your Enthusiasm
2000
as Jason Alexander

The Late Late Show with James Corden
2015
as Self

Malcolm in the Middle
2000
as Leonard

The Late Late Show with Craig Ferguson
2005
as Self

Star Trek: Voyager
1995
as Kurros

Jeopardy!
1984
as Self

LIVE with Kelly and Mark
1988
as Self - Guest

Golden Globe Awards
1944
as Self - Nominee

Hollywood Squares
1998
as Self - Panelist

The Nanny
1993
as Jack

Jimmy Kimmel Live!
2003
as Self

The Tom and Jerry Show
2014
as Rick (voice)

Community
2009
as Mountain Man

Tony Awards
1956
as Self - Presenter

The Ellen DeGeneres Show
2003
as Self

Robot Chicken
2005
as Krampus (voice)

The Orville
2017
as Olix

Late Night with David Letterman
1982
as Self

Dinosaurs
1991
as Grown Baby (voice) / Stu (voice) / Gus Molehill (voice) / The Job Wizard (voice) / General H. Norman Conquest (voice) / Sexual Harris (voice) / UFO! Host / Announcer (voice)

Harley Quinn
2019
as Sy Borgman (voice)

Everybody Hates Chris
2005
as Principal Edwards

Newhart
1982
Good Day Live
2001
as Self

Hercules
1998
as Poseidon / Poseidon (voice)

Mating Season
2026
as Alan (voice)

Franklin & Bash
2011
as Carter Lang

Aladdin
1994
as Abis Mal (voice) / Captain Albatross (voice) / Abis Mal / Abnor Mal (voice)

The Marvelous Mrs. Maisel
2017
as Asher Friedman

Duckman
1994
as Duckman (voice)

Fish Hooks
2010
as Mr. Nibbles / Mr. Nibbles (voice)

The Larry Sanders Show
1992
as Jason Alexander
The Tony Danza Show
2004
as Self - Guest

The Cleveland Show
2009

Drunk History
2013
as William Tweed

The Conners
2018
as Pastor Phil

Comedy Bang! Bang!
2012
as Inspector Gantlet

Stars in the House
2020
as Self / Self - Special Guest

The Twilight Zone
2002
as Patient

People's Choice Awards
1975
as Self - Host

To Tell the Truth
2016
as Self - Panelist

The New Adventures of Old Christine
2006
as Dr. Palmer

Rock, Paper, Scissors
2024
as Jonathan Fartjoke (voice)

Match Game
2016
as Self - Panelist

Star Trek: Prodigy
2021
as Doctor Noum (voice) / Counselor Noum (voice)

The $100,000 Pyramid
2016
as Self

Reading Rainbow
1983
as Self - Narrator (voice)

Talking Dead
2011
as Self

Penn Zero: Part-Time Hero
2014
as Coach Wallace (voice)

Comedians in Cars Getting Coffee
2012
as Self
Movies (103)

Pretty Woman
1990
as Philip Stuckey

Hachi: A Dog's Tale
2009
as Carl

Wild Card
2015
as Pinky

The Hunchback of Notre Dame
1996
as Gargoyle Hugo (voice)

Shallow Hal
2001
as Mauricio Wilson

The Electric State
2025
as Ted / Wingman

Leo
2023
as Jayda's Dad (voice)

Coneheads
1993
as Larry Farber

White Palace
1990
as Neil

Jacob's Ladder
1990
as Geary

101 Dalmatians II: Patch's London Adventure
2003
as Lightning (voice)

The Return of Jafar
1994
as Abis Mal - the Chief of the Thieves (voice)

The Burning
1981
as Dave

The Paper
1994
as Marion Sandusky

North
1994
as North's Dad

Cinderella
1997
as Lionel

The Hunchback of Notre Dame II
2002
as Gargoyle Hugo (voice)

The Adventures of Rocky & Bullwinkle
2000
as Boris

The Grand
2007
as Dr. Yakov Achmed

There's Something About Romcoms
2016
as Self

Blankman
1994
as Mr. Stone

Jimmy
2026
as Louis B. Mayer

Tom and Jerry: Back to Oz
2016
as Mr. Bibb / The Nome King (voice)

The Aristocrats
2005
as Self

The Last Supper
1995
as Anti-Enviroment

The Mosquito Coast
1986
as Hardware Clerk

Madeline: Lost in Paris
1999
as Uncle Horst / Henri (voice)

The Gettysburg Address
2025
as Noah Brooks (voice)

Dunston Checks In
1996
as Robert Grant

Farce of the Penguins
2006
as Penguin on Belly (voz)

Senior Trip
1981
as Pete

Earth to America
2005
as self

A Fairly Odd Movie: Grow Up, Timmy Turner!
2011
as Cosmo

The Last Laugh
2016
as Self (archive footage) (uncredited)

Faith Based
2020
as Nicky Steele

Broadway: Beyond the Golden Age
2021
as Self

Comedy Central Roast of William Shatner
2006
as Self - Roastmaster

Snoop Dogg's Hood of Horror
2006
as British Record Mogul

The Trumpet of the Swan
2001
as Father (voice)

Ira & Abby
2006
as Dr. Morris Saperstein

For the Love of Spock
2016
as Self

Larry Gaye: Renegade Male Flight Attendant
2015
as Larry's Dad

Misery Loves Comedy
2015
as Self

How Murray Saved Christmas
2014
as Doc Holiday (voice)

National Lampoon's Another Dirty Movie
2012
as Self (uncredited)

Larry David: Curb Your Enthusiasm
1999
as Self

Rock Slyde
2010
as Mailman Stan

The Man Who Saved Christmas
2002
as A.C. Gilbert

Dick Van Dyke: 98 Years of Magic
2023
as Self - Performer

Quantum Quest: A Cassini Space Odyssey
2010
as Moronic (voice)

The Voyages of Young Doctor Dolittle
2011
as Eugene (voice)

A Christmas Carol
2004
as Jacob Marley / Marley's Ghost

Broadway: The Next Generation
as Self

Love! Valour! Compassion!
1997
as Buzz Hauser

My Boyfriend's Meds
2020
as Dr. Sternbach

Lucky Stiff
2014
as Vinnie Di Ruzzio

Brighton Beach Memoirs
1986
as Pool Player #1

Stars in Shorts
2012
as Sid Rosenthal

Paddy Chayefsky: Collector of Words
2025
as Self

Out of Office
2022

The N.Y. Friars Club Roast of Jerry Stiller
1999
as Self - Roastmaster

Bye Bye Birdie
1995
as Albert J. Peterson

Best Worst Thing That Ever Could Have Happened...
2016
as Self

For Better or Worse
1995
as Michael Makeshift

Leo 2

Cinderella: The Reunion, A Special Edition of 20/20
2022
as Self

Titey
1998
as Titey (voice)

The Conspiracy
2022

On Edge
2001
as Zamboni Phil

Jingle Bells
1999
as Elf (Voice)

The Very Best of America's Funniest Comedians
2003
as Self (archive footage)

Denial
1998
as Art Witz

Killing Me Softly with His Songs
2022
as Self

Jerry Seinfeld: Submarine Captain
2007
as Self

The Portuguese Kid
2018
as Barry Dragonetti

The Seinfeld Story
2004
as Self

The Rocky Horror Musical Live Stream
2020
as Narrator

The Truth Is in the Stars
2017
as Self
Say It Ain't Solo
2012
as Self

Seinfeld: How It Began
2004
as Self/George Costanza

I Don't Buy Kisses Anymore
1992
as Bernie Fishbine

Rockabye
1986
as Lt. Ernest Foy

Not Your Time
2010
as Sid Rosenthal

Being 'Shallow Hal'
2001
as Self

Love and Action in Chicago
1999
as Frank Bonner

Stealing Pulp Fiction
2025
as Dr. Mendelbaum

A Tribute to Stephen Sondheim
1995

Bravo Profiles: Penn and Teller
2001
as Self

China, Il The Musical
2015
as Harold

How to Go Out on a Date in Queens
2006
as Johnny

Bucky and the Squirrels
2018
as Jason Alexander

Down on the Waterfront
1994

The Sisters Rosensweig
as Mervyn

For Goodness Sake
1993
as Electronics Store Customer

Let's Rap Fire Safety
2000

Ultimate Trek: Star Trek's Greatest Moments
1999
as Host
Kramer vs. Kramer: Kenny to Cosmo
2004
as Self

Dora the Explorer: Dora's Enchanted Forest Adventures
2011
as Owl (voice)

The Mark Lembeck Technique
2016
as Mark Lembeck

Sexual Healing
1993
as Frank

Dunston Checks Out
2022
as Jason Alexander (archival footage)

Sideshow: Alive on the Inside
1999
as Narrator

The Making of Disney's The Hunchback of Notre Dame
1996
About Jason Alexander
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… With 209 credits spanning from 1944 to 2026, Jason Alexander has appeared in 103 films and 106 TV shows.
Fans searching for Jason Alexander movies, Jason Alexander filmography, or the latest projects starring Jason Alexander can stream many of these titles on CineFlixo, free and in HD, with no subscription required.
Most Popular Jason Alexander Movies
- Pretty Woman (1990) — as Philip Stuckey
- Hachi: A Dog's Tale (2009) — as Carl
- Wild Card (2015) — as Pinky
- The Hunchback of Notre Dame (1996) — as Gargoyle Hugo (voice)
- Shallow Hal (2001) — as Mauricio Wilson
Where to Watch Jason Alexander Films
Most Jason Alexander movies and series are available to stream on CineFlixo in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Jason Alexander, check our movies catalogue and browse page.