
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.
Jimmy
2026
Mating Season
2026
Leo
2023
The Conspiracy
2022
Out of Office
2022
Faith Based
2020
Harley Quinn
2019
Mad About You
2019
The Conners
2018
Hit the Road
2017
Young Sheldon
2017
The Orville
2017
Kody Kapow
2017
Dinner with Dad
2017
Match Game
2016
The Last Laugh
2016
The Grinder
2015
Wild Card
2015
Lucky Stiff
2014
TripTank
2014
Kirstie
2013
Drunk History
2013
Stars in Shorts
2012
Talking Dead
2011
China, IL
2011
Franklin & Bash
2011
Harry's Law
2011
Not Your Time
2010
Fish Hooks
2010
Rock Slyde
2010
Community
2009
Meteor
2009
The Grand
2007
Rachael Ray
2006
Ira & Abby
2006
Earth to America
2005
Criminal Minds
2005
The Aristocrats
2005
Robot Chicken
2005
American Dad!
2005
Listen Up!
2004
Monk
2002
Shallow Hal
2001
Bob Patterson
2001
Primetime Glick
2001
On Edge
2001
The Huntress
2000
Son of the Beach
2000
Dilbert
1999
Jingle Bells
1999
Hercules
1998
Denial
1998
Titey
1998
Cinderella
1997
Muppets Tonight
1996
Remember WENN
1996
Bye Bye Birdie
1995
The Last Supper
1995
Friends
1994
Blankman
1994
North
1994
The Paper
1994
Duckman
1994
Aladdin
1994
The Nanny
1993
Coneheads
1993
Sexual Healing
1993
Dinosaurs
1991
Jacob's Ladder
1990
White Palace
1990
Dream On
1990
Pretty Woman
1990
The Simpsons
1989
Seinfeld
1989
Favorite Son
1988
Rockabye
1986
E/R
1984
Jeopardy!
1984
Reading Rainbow
1983
Newhart
1982
Senior Trip
1981
The Burning
1981
A Capitol Fourth
1980
Tony Awards
1956
The Emmy Awards
1949
Dinner with Dad
2017
Bob Patterson
2001
Bob Patterson
2001














































































































































































































