Jason Alexander

Jason Alexander

9/23/1959 (66 years old)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 (210 titles)

JimmyMovie

Jimmy

Louis B. Mayer · 2026

Mating Season7.8Show

Mating Season

Alan (voice) · 2026

The Gettysburg AddressMovie

The Gettysburg Address

Noah Brooks (voice) · 2025

LEGO Marvel Avengers: Strange Tails6.4Show

LEGO Marvel Avengers: Strange Tails

Magneto (voice) · 2025

The Bad Guys: The Series6.8Show

The Bad Guys: The Series

Mysterious Figure (voice) · 2025

Paddy Chayefsky: Collector of Words8.0Movie

Paddy Chayefsky: Collector of Words

Self · 2025

Stealing Pulp Fiction4.0Movie

Stealing Pulp Fiction

Dr. Mendelbaum · 2025

The Electric State6.5Movie

The Electric State

Ted / Wingman · 2025

Y llegaron de noche7.1Show

Y llegaron de noche

Carl Laemmle · 2024

Rock, Paper, Scissors6.3Show

Rock, Paper, Scissors

Jonathan Fartjoke (voice) · 2024

Dick Van Dyke: 98 Years of Magic7.0Movie

Dick Van Dyke: 98 Years of Magic

Self - Performer · 2023

Leo7.3Movie

Leo

Jayda's Dad (voice) · 2023

History of the World: Part II5.7Show

History of the World: Part II

Maurice Cheeks · 2023

The ConspiracyMovie

The Conspiracy

2022

Killing Me Softly with His Songs5.0Movie

Killing Me Softly with His Songs

Self · 2022

Out of Office6.2Movie

Out of Office

2022

Cinderella: The Reunion, A Special Edition of 20/208.0Movie

Cinderella: The Reunion, A Special Edition of 20/20

Self · 2022

Dunston Checks OutMovie

Dunston Checks Out

Jason Alexander (archival footage) · 2022

Star Trek: Prodigy7.2Show

Star Trek: Prodigy

Doctor Noum (voice) · 2021

The Problem with Jon Stewart7.2Show

The Problem with Jon Stewart

Jeff Bezos · 2021

Broadway: Beyond the Golden AgeMovie

Broadway: Beyond the Golden Age

Self · 2021

History of the Sitcom6.9Show

History of the Sitcom

Self - Actor · 2021

Celebrity Wheel of Fortune7.1Show

Celebrity Wheel of Fortune

Self - Contestant · 2021

The Rocky Horror Musical Live Stream4.8Movie

The Rocky Horror Musical Live Stream

Narrator · 2020

Faith Based4.4Movie

Faith Based

Nicky Steele · 2020

Stars in the HouseShow

Stars in the House

Self · 2020

My Boyfriend's Meds7.2Movie

My Boyfriend's Meds

Dr. Sternbach · 2020

The Movies That Made Us7.3Show

The Movies That Made Us

Self · 2019

Harley Quinn8.3Show

Harley Quinn

Sy Borgman (voice) · 2019

Mad About You8.2Show

Mad About You

Jason Alexander · 2019