Acting credits
205
Prolific
Very extensive acting filmography.
Actor
Jason Alexander
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
2.8
Moderate attention
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 105Series: 105Crew credits: 14
TMDB ID: 1206
IMDb ID: nm0004517
Known for: Acting
Born: September 23, 1959
Age: 66
Place of birth: Newark, New Jersey, USA
Gender: Male
Adult content flag: No
Career span: 1944 - 2026
Years active: 83
Average TMDB rating: 6.69
Wikidata: Q311754
Also known as
Jason Scott Greenspan • جیسون الکساندر • Jay Scott Greenspan
Other jobs
Director (9)Executive Producer (3)Consulting Producer (1)Writer (1)
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 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.
Photos
Movies
Movies
Movie credits linked with Jason Alexander.
Nov 6
as Louis B. Mayer
Jimmy
2026 • Movie
as Noah Brooks (voice)
The Gettysburg Address
2025 • Movie
as Self
Paddy Chayefsky: Collector of Words
2025 • Movie
as Dr. Mendelbaum
Stealing Pulp Fiction
2025 • Movie
as Ted / Wingman
The Electric State
2025 • Movie
as Self - Performer
Dick Van Dyke: 98 Years of Magic
2023 • Movie
as Jayda's Dad (voice)
Leo
2023 • Movie
The Conspiracy
2022 • Movie
as Self
Killing Me Softly with His Songs
2022 • Movie
Out of Office
2022 • Movie
as Self
Cinderella: The Reunion, A Special Edition of 20/20
2022 • Movie
as Jason Alexander (archival footage)
Dunston Checks Out
2022 • Movie
as Self
Broadway: Beyond the Golden Age
2021 • Movie
as Narrator
The Rocky Horror Musical Live Stream
2020 • Movie
as Nicky Steele
Faith Based
2020 • Movie
as Dr. Sternbach
My Boyfriend's Meds
2020 • Movie
as Barry Dragonetti
The Portuguese Kid
2018 • Movie
as Jason Alexander
Bucky and the Squirrels
2018 • Movie
as Self
The Truth Is in the Stars
2017 • Movie
as Mark Lembeck
The Mark Lembeck Technique
2016 • Movie
as Self
Best Worst Thing That Ever Could Have Happened...
2016 • Movie
as Self
For the Love of Spock
2016 • Movie
as Self
There's Something About Romcoms
2016 • Movie
as Mr. Bibb / The Nome King (voice)
Tom and Jerry: Back to Oz
2016 • Movie
Series
Series
Series credits linked with Jason Alexander.
as Alan (voice) • 1 eps
Mating Season
2026 • Series
as Magneto (voice) • 2 eps
LEGO Marvel Avengers: Strange Tails
2025 • Series
as Mysterious Figure (voice) • 1 eps
The Bad Guys: The Series
2025 • Series
as Carl Laemmle • 7 eps
Y llegaron de noche
2024 • Series
as Jonathan Fartjoke (voice) • 1 eps
Rock, Paper, Scissors
2024 • Series
as Maurice Cheeks • 1 eps
History of the World: Part II
2023 • Series
as Doctor Noum (voice) • 7 eps
Star Trek: Prodigy
2021 • Series
as Jeff Bezos • 1 eps
The Problem with Jon Stewart
2021 • Series
as Self - Actor • 8 eps
History of the Sitcom
2021 • Series
as Self - Contestant • 1 eps
Celebrity Wheel of Fortune
2021 • Series
as Self - Contestant • 1 eps
Who Wants to Be a Millionaire
2020 • Series
as Self • 1 eps
Stars in the House
2020 • Series
as Sy Borgman (voice) • 13 eps
Harley Quinn
2019 • Series
as Self • 1 eps
The Movies That Made Us
2019 • Series
as Jason Alexander • 1 eps
Mad About You
2019 • Series
as Pastor Phil • 2 eps
The Conners
2018 • Series
as Ken Swallow • 10 eps
Hit the Road
2017 • Series
as Gene Lundy • 5 eps
Young Sheldon
2017 • Series
as Olix • 2 eps
The Orville
2017 • Series
as Goji (voice) • 22 eps
Kody Kapow
2017 • Series
as Asher Friedman • 3 eps
The Marvelous Mrs. Maisel
2017 • Series
as Jason Alexander • 8 eps
Dinner with Dad
2017 • Series
as Self • 1 eps
The $100,000 Pyramid
2016 • Series
as Self - Panelist • 6 eps
Match Game
2016 • Series