Jason Alexander
Known for acting · Born 23 September 1959 · 67 · Newark, New Jersey, USA
226 credits
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
Seinfeld
1989
Criminal Minds
2005
Shallow Hal
2001
Young Sheldon
2017
Everybody Hates Chris
2005
Pretty Woman
1990
Duckman
1994
101 Dalmatians II: Patch's London Adventure
2003
The Tom and Jerry Show
2014
The Hunchback of Notre Dame II
2002
Harley Quinn
2019
Jacob's Ladder
1990
Acting (212)
2026Mating SeasonAlan (voice)Series
2026JimmyLouis B. MayerFilm
2026To Kill a NaziNarratorFilm
2025The Electric StateTed / WingmanFilm
2025The Bad Guys: The SeriesMysterious Figure (voice), D.B. Cougar (voice) · 3 episodesSeries
2025LEGO Marvel Avengers: Strange TailsMagneto (voice) · 2 episodesSeries
2025Stealing Pulp FictionDr. MendelbaumFilm
2025Paddy Chayefsky: Collector of WordsSelfFilm
2025The Gettysburg AddressNoah Brooks (voice)Film
2024Y llegaron de nocheCarl Laemmle · 7 episodesSeries
2024Rock, Paper, ScissorsJonathan Fartjoke (voice)Series
2023LeoJayda's Dad (voice)Film
2023History of the World: Part IIMaurice CheeksSeries
2023Dick Van Dyke: 98 Years of MagicSelf - PerformerFilm
2022Out of OfficeFilm
2022Cinderella: The Reunion, A Special Edition of 20/20SelfFilm
2022Killing Me Softly with His SongsSelfFilm
2022The ConspiracyFilm
2022Dunston Checks OutJason Alexander (archival footage)Film
2021Star Trek: ProdigyDoctor Noum (voice) · 7 episodes, Counselor Noum (voice) · 16 episodesSeries
2021The Problem with Jon StewartJeff BezosSeries
2021Celebrity Wheel of FortuneSelf - ContestantSeries
2021History of the SitcomSelf - Actor · 8 episodesSeries
2021Broadway: Beyond the Golden AgeSelfFilm
2020My Boyfriend's MedsDr. SternbachFilm
2020Faith BasedNicky SteeleFilm
2020Who Wants to Be a MillionaireSelf - ContestantSeries
2020The Rocky Horror Musical Live StreamNarratorFilm
2020Stars in the HouseSelf, Self - Special GuestSeries
2019Harley QuinnSy Borgman (voice) · 13 episodesSeries
2019The Movies That Made UsSelfSeries
2019Mad About YouJason AlexanderSeries
2018The ConnersPastor Phil · 2 episodesSeries
2018The Portuguese KidBarry DragonettiFilm
2018Bucky and the SquirrelsJason AlexanderFilm
2017Young SheldonGene Lundy · 5 episodesSeries
2017The OrvilleOlix · 2 episodesSeries
2017The Marvelous Mrs. MaiselAsher Friedman · 3 episodesSeries
2017The Truth Is in the StarsSelfFilm
2017Hit the RoadKen Swallow · 10 episodesSeries
2017Dinner with DadJason Alexander · 8 episodesSeries
2017Kody KapowGoji (voice) · 22 episodesSeries
2016For the Love of SpockSelfFilm
2016Tom and Jerry: Back to OzMr. Bibb / The Nome King (voice)Film
2016Match GameSelf - Panelist · 6 episodesSeries
2016The Last LaughSelf (archive footage) (uncredited)Film
2016Best Worst Thing That Ever Could Have Happened...SelfFilm
2016To Tell the TruthSelf - Panelist · 2 episodesSeries
2016The $100,000 PyramidSelfSeries
2016There's Something About RomcomsSelfFilm
2016The Mark Lembeck TechniqueMark LembeckFilm
2015Wild CardPinkyFilm
2015The Late Show with Stephen ColbertSelf - GuestSeries
2015The Late Late Show with James CordenSelfSeries
2015The GrinderCliff Bemis · 4 episodesSeries
2015Larry Gaye: Renegade Male Flight AttendantLarry's DadFilm
2015Misery Loves ComedySelfFilm
2015Big Time in Hollywood, FlJason AlexanderSeries
2015China, Il The MusicalHaroldFilm
2014Late Night with Seth MeyersSelf - GuestSeries
2014The Tom and Jerry ShowRick (voice) · 52 episodesSeries
2014TripTankDoctor (voice)Series
2014Penn Zero: Part-Time HeroCoach Wallace (voice)Series
2014How Murray Saved ChristmasDoc Holiday (voice)Film
2014Lucky StiffVinnie Di RuzzioFilm
2013Drunk HistoryWilliam TweedSeries
2013Hollywood Game NightSelf · 2 episodesSeries
2013KirstieStanford TempleSeries
2012Comedians in Cars Getting CoffeeSelfSeries
2012Comedy Bang! Bang!Inspector GantletSeries
2012National Lampoon's Another Dirty MovieSelf (uncredited)Film
2012Stars in ShortsSid RosenthalFilm
2012Say It Ain't SoloSelfFilm
2011A Fairly Odd Movie: Grow Up, Timmy Turner!CosmoFilm
2011Franklin & BashCarter LangSeries
2011Talking DeadSelfSeries
2011Harry's LawRichard CrossSeries
2011China, ILHarold (voice) · 10 episodesSeries
2011The Voyages of Young Doctor DolittleEugene (voice)Film
2011Dora the Explorer: Dora's Enchanted Forest AdventuresOwl (voice)Film
2010Fish HooksMr. Nibbles, Mr. Nibbles (voice) · 3 episodesSeries
2010Rock SlydeMailman StanFilm
2010Quantum Quest: A Cassini Space OdysseyMoronic (voice)Film
2010The Marriage RefSelf - PanelistSeries
2010Not Your TimeSid RosenthalFilm
2009Hachi: A Dog's TaleCarlFilm
2009CommunityMountain ManSeries
2009The Cleveland ShowSeries
2009MeteorDr. Chetwyn · 2 episodesSeries
2008Shatner's Raw NerveSelfSeries
2008Step It Up and DanceSeries
2007The GrandDr. Yakov AchmedFilm
2007Jerry Seinfeld: Submarine CaptainSelfFilm
2007Thank God You're HereSelfSeries
2006The New Adventures of Old ChristineDr. PalmerSeries
2006Snoop Dogg's Hood of HorrorBritish Record MogulFilm
2006Farce of the PenguinsPenguin on Belly (voice)Film
2006Comedy Central Roast of William ShatnerSelf - RoastmasterFilm
2006Rachael RaySelf - GuestSeries
2006Ira & AbbyDr. Morris SapersteinFilm
2006How to Go Out on a Date in QueensJohnnyFilm
2006Talkshow with Spike FerestenSeries
2006Where My Dogs At?Series
2005Criminal MindsProf. RothchildSeries
2005American Dad!Mr. Orlando (voice), Sal (voice)Series
2005Everybody Hates ChrisPrincipal Edwards · 2 episodesSeries
2005Robot ChickenKrampus (voice)Series
2005The AristocratsSelfFilm
2005The Late Late Show with Craig FergusonSelfSeries
2005Earth to AmericaselfFilm
2004A Christmas CarolJacob Marley / Marley's GhostFilm
2004Seinfeld: How It BeganSelf/George CostanzaFilm
2004The Tony Danza ShowSelf - Guest · 3 episodesSeries
2004The Seinfeld StorySelfFilm
2004Listen Up!Tony Kleinman · 22 episodesSeries
2004Kramer vs. Kramer: Kenny to CosmoSelfFilm
2003Two and a Half MenDr. GoodmanSeries
2003101 Dalmatians II: Patch's London AdventureLightning (voice)Film
2003Real Time with Bill MaherSelf · 8 episodesSeries
2003Jimmy Kimmel Live!Self · 2 episodesSeries
2003The Ellen DeGeneres ShowSelf · 2 episodesSeries
2003The Very Best of America's Funniest ComediansSelf (archive footage)Film
2002MonkMarty EelsSeries
2002The Hunchback of Notre Dame IIGargoyle Hugo (voice)Film
2002The Twilight ZonePatientSeries
2002The Man Who Saved ChristmasA.C. GilbertFilm
2001Shallow HalMauricio WilsonFilm
2001The Legend of TarzanZutho (voice)Series
2001Disney's House of MouseSeries
2001The Trumpet of the SwanFather (voice)Film
2001Primetime GlickSeries
2001On EdgeZamboni PhilFilm
2001Bob PattersonBob Patterson · 5 episodesSeries
2001Good Day LiveSelfSeries
2001Critics Choice AwardsSelfSeries
2001Being 'Shallow Hal'SelfFilm
2001Bravo Profiles: Penn and TellerSelfFilm
2000Malcolm in the MiddleLeonardSeries
2000Curb Your EnthusiasmJason Alexander · 5 episodesSeries
2000The Adventures of Rocky & BullwinkleBorisFilm
2000Son of the BeachSeries
2000The HuntressSeries
2000Let's Rap Fire SafetyFilm
1999Larry David: Curb Your EnthusiasmSelfFilm
1999DilbertCatbert (voice) · 9 episodesSeries
1999Madeline: Lost in ParisUncle Horst / Henri (voice)Film
1999The Late Late Show with Craig KilbornSelf - GuestSeries
1999Jingle BellsElf (Voice)Film
1999Love and Action in ChicagoFrank BonnerFilm
1999The N.Y. Friars Club Roast of Jerry StillerSelf - RoastmasterFilm
1999Ultimate Trek: Star Trek's Greatest MomentsHostFilm
1999Sideshow: Alive on the InsideNarratorFilm
1998HerculesPoseidon, Poseidon (voice) · 5 episodesSeries
1998DenialArt WitzFilm
1998Hollywood SquaresSelf - Panelist · 30 episodesSeries
1998TiteyTitey (voice)Film
1997CinderellaLionelFilm
1997Love! Valour! Compassion!Buzz HauserFilm
1996The Hunchback of Notre DameGargoyle Hugo (voice)Film
1996Dunston Checks InRobert GrantFilm
1996Muppets TonightSelf · 2 episodesSeries
1996Remember WENNAlan BallingerSeries
1996The Making of Disney's The Hunchback of Notre DameFilm
1995Star Trek: VoyagerKurrosSeries
1995The Last SupperAnti-EnviromentFilm
1995Bye Bye BirdieAlbert J. PetersonFilm
1995For Better or WorseMichael MakeshiftFilm
1995A Tribute to Stephen SondheimFilm
1994FriendsEarlSeries
1994The Return of JafarAbis Mal (voice)Film
1994AladdinAbis Mal (voice) · 10 episodes, Captain Albatross (voice), Abis Mal / Abnor Mal (voice)Series
1994NorthNorth's DadFilm
1994The PaperMarion SanduskyFilm
1994BlankmanMr. StoneFilm
1994DuckmanDuckman (voice) · 70 episodesSeries
1994Down on the WaterfrontFilm
1993The NannyJackSeries
1993ConeheadsLarry FarberFilm
1993For Goodness SakeElectronics Store CustomerFilm
1993Sexual HealingFrankFilm
1992The Larry Sanders ShowJason AlexanderSeries
1992I Don't Buy Kisses AnymoreBernie FishbineFilm
1991DinosaursGrown Baby (voice), Stu (voice), Gus Molehill (voice), The Job Wizard (voice), General H. Norman Conquest (voice), Sexual Harris (voice), UFO! Host / Announcer (voice)Series
1990Pretty WomanPhilip StuckeyFilm
1990Jacob's LadderGearyFilm
1990White PalaceNeilFilm
1990Dream OnRandall TownsendSeries
1989The SimpsonsBourbon Verlander (voice)Series
1989SeinfeldGeorge Costanza · 180 episodesSeries
1988LIVE with Kelly and MarkSelf - GuestSeries
1988Favorite SonChris Van Allen · 3 episodesSeries
1987Everything's RelativeJulian Beeby · 10 episodesSeries
1986The Mosquito CoastHardware ClerkFilm
1986Brighton Beach MemoirsPool Player #1Film
1986RockabyeLt. Ernest FoyFilm
1984Jeopardy!Self, Self - Clue PresenterSeries
1984E/RHarold Stickley · 6 episodesSeries
1983Reading RainbowSelf - Narrator (voice)Series
1982NewhartSeries
1982Late Night with David LettermanSelfSeries
1981The BurningDaveFilm
1981Senior TripPeteFilm
1980A Capitol FourthSelf · 46 episodesSeries
1975Saturday Night LiveSelf - Host, Titey (voice), Self (uncredited)Series
1975People's Choice AwardsSelf - HostSeries
1956Tony AwardsSelf - PresenterSeries
1949The Emmy AwardsSelfSeries
1944Golden Globe AwardsSelf - NomineeSeries
—Saturday TV FunhouseTitey (voice)Series
—Broadway: The Next GenerationSelfFilm
—The Sisters RosensweigMervynFilm
—Leo 2Film
Directing (9)
2017Young SheldonDirectorSeries
2010Mike & MollyDirectorSeries
2006Campus LadiesDirectorSeries
2005Criminal MindsDirectorSeries
2005Everybody Hates ChrisDirectorSeries
1999Just LookingDirectorFilm
1996Remember WENNDirectorSeries
1995For Better or WorseDirectorFilm
1989SeinfeldDirectorSeries
Production (4)
2016The Mark Lembeck TechniqueConsulting ProducerFilm
2004Agent Cody Banks 2: Destination LondonExecutive ProducerFilm
2003Agent Cody BanksExecutive ProducerFilm
2001Bob PattersonExecutive Producer, Story, Teleplay, CreatorSeries
Writing (1)
2017Dinner with DadWriterSeries