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Jason Alexander

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

2025
The Electric State

as Ted / Wingman

Movie
2023
Leo

as Jayda's Dad (voice)

Movie
2016
Tom and Jerry: Back to Oz

as Mr. Bibb / The Nome King (voice)

Movie
2015
Wild Card

as Pinky

Movie
2009
Hachi: A Dog's Tale

as Carl

Movie
2006
Ira & Abby

as Dr. Morris Saperstein

Movie
2001
Shallow Hal

as Mauricio Wilson

Movie
1996
The Hunchback of Notre Dame

as Gargoyle Hugo (voice)

Movie
1990
Jacob's Ladder

as Geary

Movie
1990
Pretty Woman

as Philip Stuckey

Movie
2014
The Tom and Jerry Show

as Rick (voice)

TV Show
1998
Hercules

as Poseidon (voice)

TV Show
1989
Seinfeld

as George Costanza

TV Show