Jason Alexander
Department: Acting
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
Pretty Woman
1990
Leo
2023
The Hunchback of Notre Dame
1996
Jacob's Ladder
1990
The Last Supper
1995
Brighton Beach Memoirs
1986
Blankman
1994
The Mosquito Coast
1986
The Burning
1981
North
1994
Quantum Quest: A Cassini Space Odyssey
2010
The Paper
1994
The Hunchback of Notre Dame II
2002
Farce of the Penguins
2006
Coneheads
1993
Shallow Hal
2001
Hachi: A Dog's Tale
2009
101 Dalmatians II: Patch's London Adventure
2003
White Palace
1990
A Christmas Carol
2004
Bye Bye Birdie
1995
Cinderella
1997
The Aristocrats
2005
Snoop Dogg's Hood of Horror
2006
Rock Slyde
2010
The Man Who Saved Christmas
2002
Denial
1998
For Goodness Sake
1993
Love! Valour! Compassion!
1997
Dunston Checks In
1996
Titey
1998
The Adventures of Rocky & Bullwinkle
2000
There's Something About Romcoms
2016
A Fairly Odd Movie: Grow Up, Timmy Turner!
2011
The Trumpet of the Swan
2001
I Don't Buy Kisses Anymore
1992
How to Go Out on a Date in Queens
2006
For Better or Worse
1995
Stars in Shorts
2012
The Voyages of Young Doctor Dolittle
2011
Jerry Seinfeld: Submarine Captain
2007
The Last Laugh
2016
Rockabye
1986
Madeline: Lost in Paris
1999
Down on the Waterfront
1994
Wild Card
2015
The Electric State
2025
Cinderella: The Reunion, A Special Edition of 20/20
2022
Out of Office
2022
The Return of Jafar
1994
Lucky Stiff
2014
Dick Van Dyke: 98 Years of Magic
2023
Jingle Bells
1999
Misery Loves Comedy
2015
Earth to America
2005
National Lampoon's Another Dirty Movie
2012
Not Your Time
2010
Sideshow: Alive on the Inside
1999
Comedy Central Roast of William Shatner
2006
Killing Me Softly with His Songs
2022
Ira & Abby
2006
Seinfeld: How It Began
2004
The Conspiracy
2022
Larry Gaye: Renegade Male Flight Attendant
2015
Broadway: The Next Generation
—
The Grand
2007
Sexual Healing
1993
How Murray Saved Christmas
2014
Dora the Explorer: Dora's Enchanted Forest Adventures
2011
The Very Best of America's Funniest Comedians
2003
Say It Ain't Solo
2012
Stealing Pulp Fiction
2025
Ultimate Trek: Star Trek's Greatest Moments
1999
For the Love of Spock
2016
Let's Rap Fire Safety
2000
Best Worst Thing That Ever Could Have Happened...
2016
The Truth Is in the Stars
2017
Bucky and the Squirrels
2018
Larry David: Curb Your Enthusiasm
1999
The N.Y. Friars Club Roast of Jerry Stiller
1999
My Boyfriend's Meds
2020
Love and Action in Chicago
1999
The Portuguese Kid
2018
Faith Based
2020
The Gettysburg Address
2025
Senior Trip
1981
Being 'Shallow Hal'
2001
Tom and Jerry: Back to Oz
2016
The Rocky Horror Musical Live Stream
2020
The Sisters Rosensweig
—
The Mark Lembeck Technique
2016
Broadway: Beyond the Golden Age
2021
Leo 2
—
The Seinfeld Story
2004
A Tribute to Stephen Sondheim
1995
China, Il The Musical
2015
Paddy Chayefsky: Collector of Words
2025
Dunston Checks Out
2022
Jimmy
2026
Bravo Profiles: Penn and Teller
2001
On Edge
2001
Kramer vs. Kramer: Kenny to Cosmo
2004
The Making of Disney's The Hunchback of Notre Dame
1996
Talkshow with Spike Feresten
2006
Duckman
1994
Son of the Beach
2000
Everybody Hates Chris
2005
Seinfeld
1989
The Ellen DeGeneres Show
2003
The Tony Danza Show
2004
Dream On
1990
Jimmy Kimmel Live!
2003
Star Trek: Voyager
1995
Friends
1994
Monk
2002
The Larry Sanders Show
1992
The Legend of Tarzan
2001
Disney's House of Mouse
2001
Dinosaurs
1991
Aladdin
1994
Hercules
1998
E/R
1984
Newhart
1982
The New Adventures of Old Christine
2006
Late Night with David Letterman
1982
The Huntress
2000
Muppets Tonight
1996
Bob Patterson
2001
Listen Up!
2004
E/R
1984
The Late Late Show with Craig Ferguson
2005
Everything's Relative
1987
Where My Dogs At?
2006
Step It Up and Dance
2008
The Cleveland Show
2009
The Marriage Ref
2010
The Late Late Show with Craig Kilborn
1999
Good Day Live
2001
The Emmy Awards
1949
Fish Hooks
2010
Meteor
2009
Saturday Night Live
1975
Critics Choice Awards
2001
Community
2009
American Dad!
2005
The Movies That Made Us
2019
Comedy Bang! Bang!
2012
Drunk History
2013
The Grinder
2015
Two and a Half Men
2003
Favorite Son
1988
Late Night with Seth Meyers
2014
Talking Dead
2011
The Late Late Show with James Corden
2015
Aladdin
1994
Aladdin
1994
Big Time in Hollywood, Fl
2015
The Twilight Zone
2002
The Tom and Jerry Show
2014
Dinosaurs
1991
Hollywood Squares
1998
Penn Zero: Part-Time Hero
2014
Fish Hooks
2010
History of the Sitcom
2021
Reading Rainbow
1983
Hit the Road
2017
Dinner with Dad
2017
The Marvelous Mrs. Maisel
2017
TripTank
2014
Match Game
2016
Shatner's Raw Nerve
2008
The $100,000 Pyramid
2016
Kody Kapow
2017
Criminal Minds
2005
Harley Quinn
2019
The Orville
2017
Dinosaurs
1991
Dinosaurs
1991
Dinosaurs
1991
Dinosaurs
1991
Dinosaurs
1991
Comedians in Cars Getting Coffee
2012
Rachael Ray
2006
The Conners
2018
Star Trek: Prodigy
2021
China, IL
2011
Dilbert
1999
Stars in the House
2020
Stars in the House
2020
Saturday Night Live
1975
Young Sheldon
2017
A Capitol Fourth
1980
Robot Chicken
2005
Curb Your Enthusiasm
2000
The Simpsons
1989
American Dad!
2005
Real Time with Bill Maher
2003
Kirstie
2013
Hollywood Game Night
2013
Mad About You
2019
Primetime Glick
2001
History of the World: Part II
2023
LIVE with Kelly and Mark
1988
Star Trek: Prodigy
2021
Saturday TV Funhouse
—
Rock, Paper, Scissors
2023
Hercules
1998
To Tell the Truth
2016
Malcolm in the Middle
2000
Thank God You're Here
2007
Celebrity Wheel of Fortune
2021
Y llegaron de noche
2024
Remember WENN
1996
Harry's Law
2011
The Problem with Jon Stewart
2021
Franklin & Bash
2011
The Nanny
1993
Jeopardy!
1984
Golden Globe Awards
1944
The Bad Guys: The Series
2025
LEGO Marvel Avengers: Strange Tails
2025
People's Choice Awards
1975
Tony Awards
1956
The Bad Guys: The Series
2025