
Jason Alexander
Born: 1959-09-23
Place of birth: Newark, New Jersey, USA
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.
Filmography

Dora the Explorer: Dora's Enchanted Forest Adventures
2011

Sexual Healing
1993

Saturday TV Funhouse

For Goodness Sake
1993

People's Choice Awards
1975

The Making of Disney's The Hunchback of Notre Dame
1996

Malcolm in the Middle
2000

Friends
1994

Reading Rainbow
1983

Harley Quinn
2019

Criminal Minds
2005

Seinfeld
1989

Mad About You
2019

Rockabye
1986

Everybody Hates Chris
2005

The Nanny
1993

The Marvelous Mrs. Maisel
2017

Curb Your Enthusiasm
2000