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! Broadways Best in Los Angeles, where he has directed several musicals. Alexander is also an avid poker player.
Hardware Clerk
Ταινία 1986
Jacob Marley / Marley's Ghost
Ταινία 2004
Albert J. Peterson
Ταινία 1995
Lionel
Ταινία 1997
Self
Ταινία 2005
A.C. Gilbert
Ταινία 2002
Art Witz
Ταινία 1998
Electronics Store Customer
Ταινία 1993
Titey (voice)
Ταινία 1998
Self
Ταινία 2016
Father (voice)
Ταινία 2001
Bernie Fishbine
Ταινία 1992
Michael Makeshift
Ταινία 1995
Sid Rosenthal
Ταινία 2012
Eugene (voice)
Ταινία 2011
Himself
Ταινία 2007
Self
Ταινία 2016
Ταινία 1994
Ταινία 2025
Self
Ταινία 2024
Self
Ταινία 2022
Ταινία 2022
Vinnie Di Ruzzio
Ταινία 2014
Self - Performer
Ταινία 2023
Self
Ταινία 2015
self
Ταινία 2005
Self (uncredited)
Ταινία 2012
Sid Rosenthal
Ταινία 2010
Narrator
Ταινία 1999
Self - Roastmaster
Ταινία 2006
Self
Ταινία 2022
Himself/George Costanza
Ταινία 2004
Ταινία 2022
Self
Ταινία 2017
Quote Reader
Ταινία 1996
George Costanza (archive footage)
Ταινία 2016
Frank
Ταινία 1993
Owl (voice)
Ταινία 2011
Self (archive footage)
Ταινία 2003
Himself
Ταινία 2012
Dr. Mendelbaum
Ταινία 2024
Dr. Chetwyn
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Host
Ταινία 1999
Self
Ταινία 2016
Ταινία 2000
Self
Ταινία 2016
Self
Ταινία 2017
Jason Alexander
Ταινία 2018
Self
Ταινία 1999
Self - Roastmaster
Ταινία 1999
Dr. Sternbach
Ταινία 2020
Frank Bonner
Ταινία 1999
Barry Dragonetti
Ταινία 2018
Nicky Steele
Ταινία 2020
Noah Brooks (voice)
Ταινία 2025
Pete
Ταινία 1981
Mr. Mouse
Ταινία
Self
Ταινία 2001
Narrator
Ταινία 2020
Mervyn
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Mark Lembeck
Ταινία 2016
Self
Ταινία 2021
Tv 2006
Duckman (voice)
Tv 1994
Tv 2000
Tv 2005
Self
Tv 2003
Self - Guest
Tv 2004
Tv 2003
Earl
Tv 1994
Jason Alexander
Tv 1992
Tv 2001
Abis Mal (voice)
Tv 1994
Tv 1982
Dr. Palmer
Tv 2006
Self
Tv 1982
Tv 2000
Self
Tv 1996
Self
Tv 2005
Tv 2006
Tv 2008
Tv 2009
Self - Panelist
Tv 2010
Self - Guest
Tv 1999
Self
Tv 2001
Self
Tv 1949
Mr. Nibbles
Tv 2010
Dr. Chetwyn
Tv 2009
Self - Host
Tv 1975
Self
Tv 2001
Self
Tv 2019
Dr. Goodman
Tv 2003
Chris Van Allen
Tv 1988
Self
Tv 2014
Self
Tv 2011
Self
Tv 2015
Captain Albatross (voice)
Tv 1994
Abis Mal / Abnor Mal (voice)
Tv 1994
Self - Panelist
Tv 1998
Mr. Nibbles (voice)
Tv 2010
Self - Presenter
Tv 1956
Self - Actor
Tv 2021
Himself - Narrator (voice)
Tv 1983
Asher Friedman
Tv 2017
Doctor (voice)
Tv 2014
Self - Panelist
Tv 2016
Self
Tv 2008
Self
Tv 2016
Prof. Rothchild
Tv 2005
Self
Tv 2012
Self - Guest
Tv 2006
Catbert (voice)
Tv 1999
Self
Tv 2020
Self - Special Guest
Tv 2020
Self - Cameo (uncredited)
Tv 1975
Gene Lundy
Tv 2017
Self
Tv 1980
Self
Tv 2003
Stanford Temple
Tv 2013
Self
Tv 2013
Jason Alexander
Tv 2019
Tv 2001
Self - Guest
Tv 1988
Jonathan Fartjoke
Tv 2024
Self - Panelist
Tv 2016
Self
Tv 2007
Self - Contestant
Tv 2021
Tv 2024