Jason Alexander

Known For: Acting
Gender: Male
Date of Birth: September 23, 1959 (66 years old)
Place of Birth: Newark, New Jersey, USA
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 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.
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Actor Self
There's Something About Romcoms

Actor Self
The Last Laugh

Actor George Costanza (archive footage)
They're Real & They're Spectacular: Seinfeld Super Fans & The Summer of George

Actor Self
For the Love of Spock

Actor Self
Best Worst Thing That Ever Could Have Happened...

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

Actor Mark Lembeck
The Mark Lembeck Technique

Consulting Producer
The Mark Lembeck Technique
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Actor Uncle Horst / Henri (voice)
Madeline: Lost in Paris

Actor Elf (Voice)
Jingle Bells

Actor Narrator
Sideshow: Alive on the Inside

Actor Host
Ultimate Trek: Star Trek's Greatest Moments

Actor Self
Larry David: Curb Your Enthusiasm

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

Actor Frank Bonner
Love and Action in Chicago

Director
Just Looking