Known for Acting

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.
1990
as Philip Stuckey
2015
as Pinky
1996
as Gargoyle Hugo (voice)
2009
as Carl
2023
as Jayda's Dad (voice)
2025
as Ted / Wingman
2001
as Mauricio Wilson
1990
as Geary
1990
as Neil
1993
as Larry Farber
1994
as Abis Mal - the Chief of the Thieves (voice)
2003
as Lightning (voice)
2003
Executive Producer
2002
as Gargoyle Hugo (voice)
1994
as North's Dad
2004
Executive Producer
2000
as Boris
1994
as Marion Sandusky
1986
as Hardware Clerk
1981
as Dave