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.
Known for
Pretty Woman 
Seinfeld 
Hachi: A Dog's Tale 
The Electric State 
Leo 
The Hunchback of Notre Dame 
Shallow Hal 
Jacob's Ladder 
Wild Card 
Coneheads 
Agent Cody Banks 
The Mosquito Coast 
The Return of Jafar 
The Burning 
The Paper 
Agent Cody Banks 2: Destination London 
The Last Supper 
North 
Dunston Checks In 
Blankman 
Cinderella 
White Palace 
101 Dalmatians 2: Patch's London Adventure 
The Hunchback of Notre Dame 2: The Secret of the Bell 
The Grand 
Farce of the Penguins 
For the Love of Spock 
A Fairly Odd Movie: Grow Up, Timmy Turner! 
Denial 
Ira & Abby 
Larry Gaye: Renegade Male Flight Attendant 
Faith Based 
Misery Loves Comedy 
How Murray Saved Christmas 
Quantum Quest: A Cassini Space Odyssey 
Tom & Jerry: Back to Oz 
The Truth Is in the Stars 
Dick Van Dyke 98 Years of Magic