Jason Alexander
Jason Alexander
Biography
Jay Scott Greenspan, 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
Actor
as Dr. Chetwyn
as Mr. Mouse
as Mervyn
as Titey (voice)
as Noah Brooks (voice)
as Jonathan Fartjoke
as Self - Performer
as Jayda's Dad (voice)
as Maurice Cheeks
as Self
as Self
as Doctor Noum (voice)
as Counselor Noum (voice)
as Self - Actor
as Self - Contestant
as Narrator
as Nicky Steele
as Dr. Sternbach
as Self
as Self - Special Guest
as Self
as Sy Borgman (voice)
as Jason Alexander
as Barry Dragonetti
as Jason Alexander
as Pastor Phil
as Self
as Self
as Ken Swallow
as Gene Lundy
as Olix
as Goji (voice)
as Asher Friedman
as Jason Alexander
as Mark Lembeck
as Self
as Self
as Mr. Bibb / The Nome King (voice)
as Bluto
as Self
as George Costanza (archive footage)
as Self
as Self - Panelist
as Self - Panelist
as Larry's Dad
as Self
as Pinky
as Cliff Bemis
as Jason Alexander
as Doc Holiday (voice)
as Vinnie Di Ruzzio
as Coach Wallace (voice)
as Rick (voice)
as Doctor (voice)
as Self
as Stanford Temple
as Self
as William Tweed
as Sid Rosenthal
as Self (uncredited)
as Himself
as Self
as Inspector Gantlet
as Eugene (voice)
as Owl (voice)
as Self
as Harold (voice)
as Sid Rosenthal
as Moronic (voice)
as Mailman Stan
as Mr. Nibbles
as Mr. Nibbles (voice)
as Self - Panelist
as Carl
as Mountain Man
as Dr. Chetwyn
as Self
as Himself
as Dr. Yakov Achmed
as Self
as Penguin on Belly (voice)
as Self - Roastmaster
as Johnny
as British Record Mogul
as Dr. Morris Saperstein
as Self - Guest
as Dr. Palmer
as self
as Self
as Prof. Rothchild
as Krampus (voice)
as Mr. Orlando (voice)
as Sal (voice)
as Jacob Marley / Marley's Ghost
as Himself/George Costanza
as Tony Kleinman
as Self - Guest
as Self (archive footage)
as Dr. Goodman
as Self
as Self
as A.C. Gilbert
as Lightning (voice)
as Gargoyle Hugo (voice)
as Patient
as Marty Eels
as Self
as Mauricio
as Father (voice)
as Bob Patterson
as Self
as Zutho (voice)
as Boris
as Jason Alexander
as Leonard
as Self - Roastmaster
as Frank Bonner
as Uncle Horst / Henri (voice)
as Narrator
as Elf (Voice)
as Self - Guest
as Catbert (voice)
as Titey (voice)
as Art Witz
as Self - Panelist
as Poseidon
as Poseidon (voice)
as Lionel
as Buzz Hauser
as Gargoyle Hugo (voice)
as Robert Grant
as Quote Reader
as Self
as Himself
as Albert J. Peterson
as Anti-Enviroment
as Michael Makeshift
as Kurros
as Mr. Stone
as North's Dad
as Abis Mal - the Chief of the Thieves (voice)
as Marion Sandusky
as Earl
as Duckman (voice)
as Abis Mal (voice)
as Captain Albatross (voice)
as Abis Mal / Abnor Mal (voice)
as Larry Farber
as Frank
as Electronics Store Customer
as Bernie Fishbine
as Jason Alexander
as Grown Baby (voice)
as Stu (voice)
as The Job Wizard (voice)
as Gus Molehill (voice)
as Sexual Harris (voice)
as General H. Norman Conquest (voice)
as UFO! Host / Announcer (voice)
as Geary
as Neil
as Philip Stuckey
as Randall Townsend
as Bourbon Verlander (voice)
as George Costanza
as Chris Van Allen
as Self
as Julian Beeby
as Pool Player #1
as Hardware Clerk
as Lt. Ernest Foy
as Harold Stickley
as Himself - Narrator (voice)
as Self
as Pete
as Dave
as Self
as Self - Host
as Self - Cameo (uncredited)
as Self - Presenter
as Self
Director
as Director
as Director
as Director
as Director
as Director
as Director
as Director
Producer
as Consulting Producer
as Executive Producer
as Executive Producer
Writer
Crew
as Creator
Creator
as Creator