Jason Alexander
Known For
Acting
Gender
Male
Birthday
Sep 23, 1959 (67 years old)
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.
Known For
| 2026 | JimmyLouis B. Mayer | |
| 2025 | The Electric StateTed / Wingman | |
| 2025 | Stealing Pulp FictionDr. Mendelbaum | |
| 2025 | The Gettysburg AddressNoah Brooks (voice) | |
| 2025 | Paddy Chayefsky: Collector of WordsSelf | |
| 2025 | The Bad Guys: The SeriesMysterious Figure (voice) | |
| 2025 | LEGO Marvel Avengers: Strange TailsMagneto (voice) | |
| 2025 | The Bad Guys: The SeriesD.B. Cougar (voice) | |
| 2024 | Y llegaron de nocheCarl Laemmle | |
| 2023 | LeoJayda's Dad (voice) | |
| 2023 | Dick Van Dyke: 98 Years of MagicSelf - Performer | |
| 2023 | History of the World: Part IIMaurice Cheeks | |
| 2023 | Rock, Paper, ScissorsJonathan Fartjoke (voice) | |
| 2022 | Cinderella: The Reunion, A Special Edition of 20/20Self | |
| 2022 | Out of Office | |
| 2022 | Killing Me Softly with His SongsSelf | |
| 2022 | The Conspiracy | |
| 2022 | Dunston Checks OutJason Alexander (archival footage) | |
| 2021 | Broadway: Beyond the Golden AgeSelf | |
| 2021 | History of the SitcomSelf - Actor | |
| 2021 | Star Trek: ProdigyDoctor Noum (voice) | |
| 2021 | Star Trek: ProdigyCounselor Noum (voice) | |
| 2021 | Celebrity Wheel of FortuneSelf - Contestant | |
| 2021 | The Problem with Jon StewartJeff Bezos | |
| 2020 | My Boyfriend's MedsDr. Sternbach | |
| 2020 | Faith BasedNicky Steele | |
| 2020 | The Rocky Horror Musical Live StreamNarrator | |
| 2020 | Stars in the HouseSelf | |
| 2020 | Stars in the HouseSelf - Special Guest | |
| 2019 | The Movies That Made UsSelf | |
| 2019 | Harley QuinnSy Borgman (voice) | |
| 2019 | Mad About YouJason Alexander | |
| 2018 | Bucky and the SquirrelsJason Alexander | |
| 2018 | The Portuguese KidBarry Dragonetti | |
| 2018 | The ConnersPastor Phil | |
| 2017 | The Truth Is in the StarsSelf | |
| 2017 | Hit the RoadKen Swallow | |
| 2017 | Dinner with DadJason Alexander | |
| 2017 | The Marvelous Mrs. MaiselAsher Friedman | |
| 2017 | Kody KapowGoji (voice) | |
| 2017 | The OrvilleOlix | |
| 2017 | Young SheldonGene Lundy | |
| 2016 | There's Something About RomcomsSelf | |
| 2016 | The Last LaughSelf | |
| 2016 | For the Love of SpockSelf | |
| 2016 | Best Worst Thing That Ever Could Have Happened...Self | |
| 2016 | Tom and Jerry: Back to OzMr. Bibb / The Nome King (voice) | |
| 2016 | The Mark Lembeck TechniqueMark Lembeck | |
| 2016 | Match GameSelf - Panelist | |
| 2016 | The $100,000 PyramidSelf | |
| 2016 | To Tell the TruthSelf - Panelist | |
| 2015 | Wild CardPinky | |
| 2015 | Misery Loves ComedySelf | |
| 2015 | Larry Gaye: Renegade Male Flight AttendantLarry's Dad | |
| 2015 | China, Il The MusicalHarold | |
| 2015 | The GrinderCliff Bemis | |
| 2015 | The Late Late Show with James CordenSelf | |
| 2015 | Big Time in Hollywood, FlJason Alexander | |
| 2014 | Lucky StiffVinnie Di Ruzzio | |
| 2014 | How Murray Saved ChristmasDoc Holiday (voice) | |
| 2014 | Late Night with Seth MeyersSelf - Guest | |
| 2014 | The Tom and Jerry ShowRick (voice) | |
| 2014 | Penn Zero: Part-Time HeroCoach Wallace (voice) | |
| 2014 | TripTankDoctor (voice) | |
| 2013 | Drunk HistoryWilliam Tweed | |
| 2013 | KirstieStanford Temple | |
| 2013 | Hollywood Game NightSelf | |
| 2012 | Stars in ShortsSid Rosenthal | |
| 2012 | National Lampoon's Another Dirty MovieSelf (uncredited) | |
| 2012 | Say It Ain't SoloSelf | |
| 2012 | Comedy Bang! Bang!Inspector Gantlet | |
| 2012 | Comedians in Cars Getting CoffeeSelf | |
| 2011 | A Fairly Odd Movie: Grow Up, Timmy Turner!Cosmo | |
| 2011 | The Voyages of Young Doctor DolittleEugene (voice) | |
| 2011 | Dora the Explorer: Dora's Enchanted Forest AdventuresOwl (voice) | |
| 2011 | Talking DeadSelf | |
| 2011 | China, ILHarold (voice) | |
| 2011 | Harry's LawRichard Cross | |
| 2011 | Franklin & BashCarter Lang | |
| 2010 | Quantum Quest: A Cassini Space OdysseyMoronic (voice) | |
| 2010 | Rock SlydeMailman Stan | |
| 2010 | Not Your TimeSid Rosenthal | |
| 2010 | The Marriage RefSelf - Panelist | |
| 2010 | Fish HooksMr. Nibbles | |
| 2010 | Fish HooksMr. Nibbles (voice) | |
| 2009 | Hachi: A Dog's TaleCarl | |
| 2009 | The Cleveland Show | |
| 2009 | MeteorDr. Chetwyn | |
| 2009 | CommunityMountain Man | |
| 2008 | Step It Up and Dance | |
| 2008 | Shatner's Raw NerveSelf | |
| 2007 | Jerry Seinfeld: Submarine CaptainSelf | |
| 2007 | The GrandDr. Yakov Achmed | |
| 2007 | Thank God You're HereSelf | |
| 2006 | Farce of the PenguinsPenguin on Belly (voz) | |
| 2006 | Snoop Dogg's Hood of HorrorBritish Record Mogul | |
| 2006 | How to Go Out on a Date in QueensJohnny | |
| 2006 | Comedy Central Roast of William ShatnerSelf - Roastmaster | |
| 2006 | Ira & AbbyDr. Morris Saperstein | |
| 2006 | Talkshow with Spike Feresten | |
| 2006 | The New Adventures of Old ChristineDr. Palmer | |
| 2006 | Where My Dogs At? | |
| 2006 | Rachael RaySelf - Guest | |
| 2005 | The AristocratsSelf | |
| 2005 | Earth to Americaself | |
| 2005 | Everybody Hates ChrisPrincipal Edwards | |
| 2005 | The Late Late Show with Craig FergusonSelf | |
| 2005 | American Dad!Mr. Orlando (voice) | |
| 2005 | Criminal MindsProf. Rothchild | |
| 2005 | Robot ChickenKrampus (voice) | |
| 2005 | American Dad!Sal (voice) | |
| 2004 | A Christmas CarolJacob Marley / Marley's Ghost | |
| 2004 | Seinfeld: How It BeganSelf/George Costanza | |
| 2004 | The Seinfeld StorySelf | |
| 2004 | Kramer vs. Kramer: Kenny to CosmoSelf | |
| 2004 | The Tony Danza ShowSelf - Guest | |
| 2004 | Listen Up!Tony Kleinman | |
| 2003 | 101 Dalmatians II: Patch's London AdventureLightning (voice) | |
| 2003 | The Very Best of America's Funniest ComediansSelf (archive footage) | |
| 2003 | The Ellen DeGeneres ShowSelf | |
| 2003 | Jimmy Kimmel Live!Self | |
| 2003 | Two and a Half MenDr. Goodman | |
| 2003 | Real Time with Bill MaherSelf | |
| 2002 | The Hunchback of Notre Dame IIGargoyle Hugo (voice) | |
| 2002 | The Man Who Saved ChristmasA.C. Gilbert | |
| 2002 | MonkMarty Eels | |
| 2002 | The Twilight ZonePatient | |
| 2001 | Shallow HalMauricio Wilson | |
| 2001 | The Trumpet of the SwanFather (voice) | |
| 2001 | Being 'Shallow Hal'Self | |
| 2001 | Bravo Profiles: Penn and TellerSelf | |
| 2001 | On EdgeZamboni Phil | |
| 2001 | The Legend of TarzanZutho (voice) | |
| 2001 | Disney's House of Mouse | |
| 2001 | Bob PattersonBob Patterson | |
| 2001 | Good Day LiveSelf | |
| 2001 | Critics Choice AwardsSelf | |
| 2001 | Primetime Glick | |
| 2000 | The Adventures of Rocky & BullwinkleBoris | |
| 2000 | Let's Rap Fire Safety | |
| 2000 | Son of the Beach | |
| 2000 | The Huntress | |
| 2000 | Curb Your EnthusiasmJason Alexander | |
| 2000 | Malcolm in the MiddleLeonard | |
| 1999 | Madeline: Lost in ParisUncle Horst / Henri (voice) | |
| 1999 | Jingle BellsElf (Voice) | |
| 1999 | Sideshow: Alive on the InsideNarrator | |
| 1999 | Ultimate Trek: Star Trek's Greatest MomentsHost | |
| 1999 | Larry David: Curb Your EnthusiasmSelf | |
| 1999 | The N.Y. Friars Club Roast of Jerry StillerSelf - Roastmaster | |
| 1999 | Love and Action in ChicagoFrank Bonner | |
| 1999 | The Late Late Show with Craig KilbornSelf - Guest | |
| 1999 | DilbertCatbert (voice) | |
| 1998 | DenialArt Witz | |
| 1998 | TiteyTitey (voice) | |
| 1998 | HerculesPoseidon | |
| 1998 | Hollywood SquaresSelf - Panelist | |
| 1998 | HerculesPoseidon (voice) | |
| 1997 | CinderellaLionel | |
| 1997 | Love! Valour! Compassion!Buzz Hauser | |
| 1996 | The Hunchback of Notre DameGargoyle Hugo (voice) | |
| 1996 | Dunston Checks InRobert Grant | |
| 1996 | The Making of Disney's The Hunchback of Notre Dame | |
| 1996 | Muppets TonightSelf | |
| 1996 | Remember WENNAlan Ballinger | |
| 1995 | The Last SupperAnti-Enviroment | |
| 1995 | Bye Bye BirdieAlbert J. Peterson | |
| 1995 | For Better or WorseMichael Makeshift | |
| 1995 | A Tribute to Stephen Sondheim | |
| 1995 | Star Trek: VoyagerKurros | |
| 1994 | BlankmanMr. Stone | |
| 1994 | NorthNorth's Dad | |
| 1994 | The PaperMarion Sandusky | |
| 1994 | Down on the Waterfront | |
| 1994 | The Return of JafarAbis Mal - the Chief of the Thieves (voice) | |
| 1994 | DuckmanDuckman (voice) | |
| 1994 | FriendsEarl | |
| 1994 | AladdinAbis Mal (voice) | |
| 1994 | AladdinCaptain Albatross (voice) | |
| 1994 | AladdinAbis Mal / Abnor Mal (voice) | |
| 1993 | ConeheadsLarry Farber | |
| 1993 | For Goodness SakeElectronics Store Customer | |
| 1993 | Sexual HealingFrank | |
| 1993 | The NannyJack | |
| 1992 | I Don't Buy Kisses AnymoreBernie Fishbine | |
| 1992 | The Larry Sanders ShowJason Alexander | |
| 1991 | DinosaursGrown Baby (voice) | |
| 1991 | DinosaursStu (voice) | |
| 1991 | DinosaursThe Job Wizard (voice) | |
| 1991 | DinosaursGus Molehill (voice) | |
| 1991 | DinosaursSexual Harris (voice) | |
| 1991 | DinosaursGeneral H. Norman Conquest (voice) | |
| 1991 | DinosaursUFO! Host / Announcer (voice) | |
| 1990 | Pretty WomanPhilip Stuckey | |
| 1990 | Jacob's LadderGeary | |
| 1990 | White PalaceNeil | |
| 1990 | Dream OnRandall Townsend | |
| 1989 | SeinfeldGeorge Costanza | |
| 1989 | The SimpsonsBourbon Verlander (voice) | |
| 1988 | Favorite SonChris Van Allen | |
| 1988 | LIVE with Kelly and MarkSelf - Guest | |
| 1987 | Everything's RelativeJulian Beeby | |
| 1986 | Brighton Beach MemoirsPool Player #1 | |
| 1986 | The Mosquito CoastHardware Clerk | |
| 1986 | RockabyeLt. Ernest Foy | |
| 1984 | E/RHarold Stickley | |
| 1984 | E/R | |
| 1984 | Jeopardy!Self | |
| 1983 | Reading RainbowSelf - Narrator (voice) | |
| 1982 | Newhart | |
| 1982 | Late Night with David LettermanSelf | |
| 1981 | The BurningDave | |
| 1981 | Senior TripPete | |
| 1980 | A Capitol FourthSelf | |
| 1975 | Saturday Night LiveSelf - Host | |
| 1975 | Saturday Night LiveSelf - Cameo (uncredited) | |
| 1975 | People's Choice AwardsSelf - Host | |
| 1956 | Tony AwardsSelf - Presenter | |
| 1949 | The Emmy AwardsSelf | |
| 1944 | Golden Globe AwardsSelf - Nominee | |
| - | Broadway: The Next GenerationSelf | |
| - | The Sisters RosensweigMervyn | |
| - | Leo 2 | |
| - | Saturday TV FunhouseTitey (voice) |
| 2016 | The Mark Lembeck TechniqueConsulting Producer | |
| 2004 | Agent Cody Banks 2: Destination LondonExecutive Producer | |
| 2003 | Agent Cody BanksExecutive Producer | |
| 2001 | Bob PattersonExecutive Producer |
| 2010 | Mike & MollyDirector | |
| 2006 | Campus LadiesDirector | |
| 2005 | Everybody Hates ChrisDirector | |
| 2005 | Criminal MindsDirector | |
| 1999 | Just LookingDirector | |
| 1996 | Remember WENNDirector | |
| 1995 | For Better or WorseDirector | |
| 1989 | SeinfeldDirector |
| 2017 | Dinner with DadWriter | |
| 2001 | Bob PattersonStory | |
| 2001 | Bob PattersonTeleplay |
| 2001 | Bob PattersonCreator |














