
Jason Alexander
Acting
Born 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.
Acting

Jimmy
Louis B. Mayer

Mating Season
Alan (voice)

The Gettysburg Address
Noah Brooks (voice)

LEGO Marvel Avengers: Strange Tails
Magneto (voice)

The Bad Guys: The Series
Mysterious Figure (voice)

The Bad Guys: The Series
D.B. Cougar (voice)

Paddy Chayefsky: Collector of Words
Self

Stealing Pulp Fiction
Dr. Mendelbaum

The Electric State
Ted / Wingman

Y llegaron de noche
Carl Laemmle

Rock, Paper, Scissors
Jonathan Fartjoke (voice)

Dick Van Dyke: 98 Years of Magic
Self - Performer

Leo
Jayda's Dad (voice)

History of the World: Part II
Maurice Cheeks

The Conspiracy

Killing Me Softly with His Songs
Self

Out of Office

Cinderella: The Reunion, A Special Edition of 20/20
Self

Dunston Checks Out
Jason Alexander (archival footage)

Star Trek: Prodigy
Doctor Noum (voice)

Star Trek: Prodigy
Counselor Noum (voice)

The Problem with Jon Stewart
Jeff Bezos

Broadway: Beyond the Golden Age
Self

History of the Sitcom
Self - Actor

Celebrity Wheel of Fortune
Self - Contestant

The Rocky Horror Musical Live Stream
Narrator

Faith Based
Nicky Steele

Stars in the House
Self

Stars in the House
Self - Special Guest

My Boyfriend's Meds
Dr. Sternbach
Crew

Young Sheldon
Director

Dinner with Dad
Writer

The Mark Lembeck Technique
Consulting Producer

Mike & Molly
Director

Campus Ladies
Director

Everybody Hates Chris
Director

Criminal Minds
Director

Agent Cody Banks 2: Destination London
Executive Producer

Agent Cody Banks
Executive Producer

Bob Patterson
Executive Producer

Bob Patterson
Story

Bob Patterson
Teleplay

Bob Patterson
Creator

Just Looking
Director

Remember WENN
Director

For Better or Worse
Director

Seinfeld
Director