Known for George Costanza in Seinfeld, roles in Pretty Woman, The Hunchback of Notre Dame, and the sitcom The New Adventures of Old Christine.
Films
- The Thrilling Adventures of Lovelace and BabbageCharles Babbage (voice)2023
- Free GuyBank Executive (uncredited)2021
- The Adventures of Rocky and BullwinkleBoris Badenov2000
- The Hunchback of Notre DameHugo (voice)1996
- Dunston Checks InRobert Grant1996
- For Better or WorseMichael1995
- BlankmanMr. Stone1994
- NorthNorth’s Dad1994
- Pretty WomanPhilip Stuckey1990
- The BurningDave1981
TV shows
- The Really Loud HouseMr. Bolhofner (recurring)2022
- Young SheldonMr. Lundy (1 episode)2018
- The Marvelous Mrs. MaiselDean Gordon (2 episodes)2018–2019
- The ComediansJason Alexander (himself)2015
- The New Adventures of Old ChristineRichard Campbell (main cast)2006–2010
- MonkMarty (1 episode)2004
- SeinfeldGeorge Costanza (main cast)1989–1998
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About Jason Alexander
Jason Alexander is an American actor, comedian and director, best known for his Emmy‑nominated portrayal of George Costanza on the hit sitcom Seinfeld. He has also appeared in films such as Pretty Woman and The Hunchback of Notre Dame, and enjoyed a successful career on Broadway.
FAQs
What is Jason Alexander best known for?
His role as George Costanza in the American sitcom Seinfeld.
Has Jason Alexander won any awards for Seinfeld?
He received multiple Emmy and Golden Globe nominations but never won a major award for the role.
Is Jason Alexander related to the Broadway composer of the same name?
No, the actor Jason Alexander (born Jay Scott Greenspan) is not related to the Broadway composer Jason Alexander (born Alexander Cohen).
Did Jason Alexander appear in any Disney animated films?
Yes, he voiced Hugo in Disney’s The Hunchback of Notre Dame (1996).
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026