Jason Alexander
Acting
1959-09-23 · 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.
tvMating Season
as Alan (voice) · 2026 · 7.8
tvLEGO Marvel Avengers: Strange Tails
as Magneto (voice) · 2025 · 6.1
tvThe Bad Guys: The Series
as Mysterious Figure (voice) · 2025 · 6.8
tvThe Bad Guys: The Series
as D.B. Cougar (voice) · 2025 · 6.8
tvY llegaron de noche
as Carl Laemmle · 2024 · 7.1
tvRock, Paper, Scissors
as Jonathan Fartjoke (voice) · 2024 · 6.3
tvHistory of the World: Part II
as Maurice Cheeks · 2023 · 5.7
tvStar Trek: Prodigy
as Doctor Noum (voice) · 2021 · 7.2
tvStar Trek: Prodigy
as Counselor Noum (voice) · 2021 · 7.2
tvThe Problem with Jon Stewart
as Jeff Bezos · 2021 · 7.2
tvHistory of the Sitcom
as Self - Actor · 2021 · 6.9
tvCelebrity Wheel of Fortune
as Self - Contestant · 2021 · 7.0
tvStars in the House
as Self · 2020 · 0.0
tvStars in the House
as Self - Special Guest · 2020 · 0.0
tvThe Movies That Made Us
as Self · 2019 · 7.3
tvHarley Quinn
as Sy Borgman (voice) · 2019 · 8.3
tvMad About You
as Jason Alexander · 2019 · 8.2
tvThe Conners
as Pastor Phil · 2018 · 7.0
tvHit the Road
as Ken Swallow · 2017 · 7.2
tvYoung Sheldon
as Gene Lundy · 2017 · 8.0
tvThe Orville
as Olix · 2017 · 7.6
tvKody Kapow
as Goji (voice) · 2017 · 0.0
tvThe Marvelous Mrs. Maisel
as Asher Friedman · 2017 · 8.1
tvDinner with Dad
as Jason Alexander · 2017 · 0.0