JASON ALEXANDER

Jason Alexander
Gender: Male
Known for: Acting
Birthday: September 23, 1959
Place of Birth: Newark, New Jersey, USA
Biography
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.
Filmography
Starring
2026·
Mating SeasonAlan (voice)
2026·
JimmyLouis B. Mayer
Magneto (voice)
D.B. Cougar (voice), Mysterious Figure (voice)
Self
2024·
Y llegaron de nocheCarl Laemmle
Jonathan Fartjoke (voice)
Self - Contestant
Titey (voice)
Maurice Cheeks
Jeff Bezos
2021·
Star Trek: ProdigyCounselor Noum (voice), Doctor Noum (voice)
Self - Actor
2020·
Stars in the HouseSelf - Special Guest, Self
2019·
Mad About YouJason Alexander
2019·
Harley QuinnSy Borgman (voice)
Self
2018·
The ConnersPastor Phil
2017·
Young SheldonGene Lundy
2017·
The OrvilleOlix
2017·
Kody KapowGoji (voice)
Asher Friedman
2017·
Dinner with DadJason Alexander
2017·
Hit the RoadKen Swallow
2016·
To Tell the TruthSelf - Panelist
2016·
The $100,000 PyramidSelf
2016·
Match GameSelf - Panelist
Self - Guest
Jason Alexander
Self
2015·
The GrinderCliff Bemis
2014·
TripTankDoctor (voice)
Coach Wallace (voice)
Rick (voice)
Self - Guest
2013·
Hollywood Game NightSelf
2013·
KirstieStanford Temple
2013·
Drunk HistoryWilliam Tweed
Self
2012·
Comedy Bang! Bang!Inspector Gantlet
2011·
Franklin & BashCarter Lang
2011·
Harry's LawRichard Cross
2011·
China, ILHarold (voice)
2011·
Talking DeadSelf
2010·
Fish HooksMr. Nibbles (voice), Mr. Nibbles
2010·
The Marriage RefSelf - Panelist
2009·
CommunityMountain Man
2009·
MeteorDr. Chetwyn
2009·
The Cleveland Show2008·
Shatner's Raw NerveSelf
2008·
Step It Up and DanceSelf
2006·
Rachael RaySelf - Guest
2006·
Where My Dogs At?Dr. Palmer
2005·
American Dad!Sal (voice), Mr. Orlando (voice)
2005·
Robot ChickenKrampus (voice)
2005·
Criminal MindsProf. Rothchild
2004·
Listen Up!Tony Kleinman
Self
2003·
Two and a Half MenDr. Goodman
2002·
The Twilight ZonePatient
2002·
MonkMarty Eels
2001·
Primetime GlickSelf
2001·
Good Day LiveSelf
2001·
Bob PattersonBob Patterson
2001·
The Legend of TarzanZutho (voice)
Leonard
2000·
Curb Your EnthusiasmJason Alexander
2000·
The Huntress1999·
DilbertCatbert (voice)
Self - Guest
1998·
HerculesPoseidon (voice), Poseidon
1998·
Hollywood SquaresSelf - Panelist
1996·
Remember WENNAlan Ballinger
1996·
Muppets TonightSelf
1994·
AladdinAbis Mal / Abnor Mal (voice), Captain Albatross (voice), Abis Mal (voice)
1993·
The NannyJack
Jason Alexander
1991·
DinosaursUFO! Host / Announcer (voice), General H. Norman Conquest (voice), Sexual Harris (voice), Gus Molehill (voice), The Job Wizard (voice), Stu (voice), Grown Baby (voice)
1989·
The SimpsonsBourbon Verlander (voice)
Self - Guest
1988·
Favorite SonChris Van Allen
Julian Beeby
1984·
Jeopardy!Self
1984·
E/RHarold Stickley
1983·
Reading RainbowSelf - Narrator (voice)
Self
1982·
Newhart1980·
A Capitol FourthSelf
1975·
Saturday Night LiveTitey (voice), Self - Cameo (uncredited), Self - Host
Self - Host
1956·
Tony AwardsSelf - Presenter
1949·
The Emmy AwardsSelf
1944·
Golden Globe AwardsSelf - Nominee
TBA·
Leo 2Mervyn
Noah Brooks (voice)
Dr. Mendelbaum
2025·
The Electric StateTed / Wingman
Self - Performer
2023·
LeoJayda's Dad (voice)
2022·
Dunston Checks OutJason Alexander (archival footage)
2022·
Out of OfficeNarrator
2020·
My Boyfriend's MedsDr. Sternbach
Self
Self
2022·
The ConspiracySelf
Self
2020·
Faith BasedNicky Steele
2018·
The Portuguese KidBarry Dragonetti
Jason Alexander
Mark Lembeck
Mr. Bibb / The Nome King (voice)
Self
2016·
The Last LaughSelf (archive footage) (uncredited)
Self
Harold
Larry's Dad
2015·
Misery Loves ComedySelf
2015·
Wild CardPinky
Doc Holiday (voice)
2014·
Lucky StiffVinnie Di Ruzzio
2012·
Say It Ain't SoloSelf
Self (uncredited)
2012·
Stars in ShortsSid Rosenthal
Owl (voice)
Eugene (voice)
2010·
Not Your TimeSid Rosenthal
2010·
Rock SlydeMailman Stan
Moronic (voice)
2009·
Hachi: A Dog's TaleCarl
2007·
The GrandDr. Yakov Achmed
Self
2006·
Ira & AbbyDr. Morris Saperstein
Self - Roastmaster
Johnny
British Record Mogul
Penguin on Belly (voz)
Principal Edwards
2005·
Earth to Americaself
2005·
The AristocratsSelf
2004·
The Tony Danza ShowSelf - Guest
Self
2004·
The Seinfeld StorySelf
Self/George Costanza
2004·
A Christmas CarolJacob Marley / Marley's Ghost
2003·
Jimmy Kimmel Live!Self
Self
Self (archive footage)
Lightning (voice)
A.C. Gilbert
Gargoyle Hugo (voice)
2001·
On EdgeZamboni Phil
Self
2001·
Being 'Shallow Hal'Self
Father (voice)
2001·
Shallow HalMauricio Wilson
2000·
Son of the BeachBoris
Frank Bonner
Self - Roastmaster
Self
Narrator
1999·
Jingle BellsElf (Voice)
Uncle Horst / Henri (voice)
1998·
TiteyTitey (voice)
1998·
DenialArt Witz
Buzz Hauser
1997·
CinderellaLionel
1996·
Dunston Checks InRobert Grant
Gargoyle Hugo (voice)
1995·
Star Trek: VoyagerKurros
1995·
For Better or WorseMichael Makeshift
1995·
Bye Bye BirdieAlbert J. Peterson
1995·
The Last SupperAnti-Enviroment
1994·
FriendsEarl
1994·
DuckmanDuckman (voice)
1994·
The Return of JafarAbis Mal - the Chief of the Thieves (voice)
1994·
The PaperMarion Sandusky
1994·
NorthNorth's Dad
1994·
BlankmanMr. Stone
1993·
Sexual HealingFrank
1993·
For Goodness SakeElectronics Store Customer
1993·
ConeheadsLarry Farber
Bernie Fishbine
1990·
Dream OnRandall Townsend
1990·
White PalaceNeil
1990·
Jacob's LadderGeary
1990·
Pretty WomanPhilip Stuckey
1989·
SeinfeldGeorge Costanza
1986·
RockabyeLt. Ernest Foy
1986·
The Mosquito CoastHardware Clerk
Pool Player #1
1981·
Senior TripPete
1981·
The BurningDave
Production
2017·
Young SheldonDirector
2017·
Dinner with DadWriter
Consulting Producer
2010·
Mike & MollyDirector
2006·
Campus LadiesDirector
2005·
Criminal MindsDirector
Director
Executive Producer
2003·
Agent Cody BanksExecutive Producer
2001·
Bob PattersonCreator, Teleplay, Story, Executive Producer
1999·
Just LookingDirector
1996·
Remember WENNDirector
1995·
For Better or WorseDirector
1989·
SeinfeldDirector