Jason Alexander
Acting
Born: 1959-09-23 · Newark, New Jersey, USA
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 M
🎬 Movies (20)
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
📺 TV Shows (20)
Mating Season
2026
Alan (voice)
LEGO Marvel Avengers: Strange Tails
2025
Magneto (voice)
The Bad Guys: The Series
2025
Mysterious Figure (voice)
The Bad Guys: The Series
2025
D.B. Cougar (voice)
Y llegaron de noche
2024
Carl Laemmle
Rock, Paper, Scissors
2024
Jonathan Fartjoke (voice)
History of the World: Part II
2023
Maurice Cheeks
Star Trek: Prodigy
2021
Doctor Noum (voice)
Star Trek: Prodigy
2021
Counselor Noum (voice)
The Problem with Jon Stewart
2021
Jeff Bezos
History of the Sitcom
2021
Self - Actor
Celebrity Wheel of Fortune
2021
Self - Contestant
Stars in the House
2020
Self
Stars in the House
2020
Self - Special Guest
The Movies That Made Us
2019
Self
Harley Quinn
2019
Sy Borgman (voice)
Mad About You
2019
Jason Alexander
The Conners
2018
Pastor Phil
Hit the Road
2017
Ken Swallow
Young Sheldon
2017
Gene Lundy