Jason Alexander

Actor

Born: September 23, 1959 (age 66)
From: 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…

Filmography (104)

Jimmy (2026)
Louis B. Mayer
The Gettysburg Address (2025)
Noah Brooks (voice)
Paddy Chayefsky: Collector of Words (2025)
Self
Stealing Pulp Fiction (2025)
Dr. Mendelbaum
The Electric State (2025)
Ted / Wingman
Dick Van Dyke: 98 Years of Magic (2023)
Self - Performer
Leo (2023)
Jayda's Dad (voice)
The Conspiracy (2022)
Killing Me Softly with His Songs (2022)
Self
Out of Office (2022)
Cinderella: The Reunion, A Special Edition of 20/20 (2022)
Self
Dunston Checks Out (2022)
Jason Alexander (archival footage)
Broadway: Beyond the Golden Age (2021)
Self
The Rocky Horror Musical Live Stream (2020)
Narrator
Faith Based (2020)
Nicky Steele
My Boyfriend's Meds (2020)
Dr. Sternbach
The Portuguese Kid (2018)
Barry Dragonetti
Bucky and the Squirrels (2018)
Jason Alexander
The Truth Is in the Stars (2017)
Self
The Mark Lembeck Technique (2016)
Mark Lembeck
Best Worst Thing That Ever Could Have Happened... (2016)
Self
For the Love of Spock (2016)
Self
There's Something About Romcoms (2016)
Self
Tom and Jerry: Back to Oz (2016)
Mr. Bibb / The Nome King (voice)
The Last Laugh (2016)
Self (archive footage) (uncredited)
China, Il The Musical (2015)
Harold
Larry Gaye: Renegade Male Flight Attendant (2015)
Larry's Dad
Misery Loves Comedy (2015)
Self
Wild Card (2015)
Pinky
How Murray Saved Christmas (2014)
Doc Holiday (voice)