Jason Alexander
September 23, 1959 (65 years old) in Newark, New Jersey, USA
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
Credits
- 2025 · The Gettysburg Address as Noah Brooks (voice)
- 2025 · The Electric State as Ted / Wingman
- 2023 · Dick Van Dyke: 98 Years of Magic as Self - Performer
- 2022 · Killing Me Softly with His Songs as Self
- 2022 · Out of Office as
- 2021 · History of the Sitcom as Self - Actor
- 2019 · Mad About You as Jason Alexander
- 2017 · Broadway: The Next Generation as Self
- 2017 · Hit the Road as Ken Swallow
- 2017 · Kody Kapow as Goji (voice)
- 2017 · Dinner with Dad as Jason Alexander
- 2016 · For the Love of Spock as Self
- 2016 · Tom and Jerry: Back to Oz as Mr. Bibb / The Nome King (voice)
- 2016 · The Last Laugh as Self
- 2015 · Larry Gaye: Renegade Male Flight Attendant as Larry's Dad
- 2015 · Misery Loves Comedy as Self
- 2013 · Kirstie as Stanford Temple
- 2012 · Stars In Shorts as Sid Rosenthal
- 2011 · A Fairly Odd Movie: Grow Up, Timmy Turner! as Cosmo
- 2010 · Quantum Quest: A Cassini Space Odyssey as Moronic (voice)
- 2009 · Meteor as Dr. Chetwyn
- 2007 · The Grand as Dr. Yakov Achmed
- 2007 · Thank God You're Here as Self
- 2006 · Farce of the Penguins as Penguin on Belly (voice)
- 2006 · Snoop Dogg's Hood of Horror as British Record Mogul
- 2006 · Ira & Abby as Dr. Morris Saperstein
- 2006 · Where My Dogs At? as
- 2005 · The Aristocrats as Self
- 2004 · A Christmas Carol as Jacob Marley / Marley's Ghost
- 2004 · Seinfeld: How It Began as Self/George Costanza
- 2003 · 101 Dalmatians II: Patch's London Adventure as Lightning (voice)
- 2002 · The Hunchback of Notre Dame II as Gargoyle Hugo (voice)
- 2001 · Bob Patterson as Bob Patterson
- 2001 · The Trumpet of the Swan as Father (voice)
- 2000 · The Adventures of Rocky & Bullwinkle as Boris
- 1999 · Jingle Bells as Elf (Voice)
- 1998 · Denial as Art Witz
- 1997 · Cinderella as Lionel
- 1997 · Love! Valour! Compassion! as Buzz Hauser
- 1996 · Dunston Checks In as Robert Grant
- 1996 · Sex, Censorship and the Silver Screen as Quote Reader
- 1995 · The Last Supper as Anti-Enviroment
- 1994 · Blankman as Mr. Stone
- 1994 · North as North's Dad
- 1994 · The Paper as Marion Sandusky
- 1993 · Coneheads as Larry Farber
- 1990 · White Palace as Neil
- 1988 · Favorite Son as Chris Van Allen
- 1987 · Everything's Relative as Julian Beeby
- 1986 · The Mosquito Coast as Hardware Clerk
- 1984 · E/R as Harold Stickley
- 1984 · E/R as
- 1981 · The Burning as Dave
- Future · Saturday TV Funhouse as Titey (voice)
- 2024 · Stealing Pulp Fiction as Dr. Mendelbaum
- 2024 · Y llegaron de noche as Carl Laemmle
- 2024 · Rock, Paper, Scissors as Jonathan Fartjoke (voice)
- 2023 · Leo as Jayda's Dad (voice)
- 2023 · History of the World: Part II as Maurice Cheeks
- 2022 · The Conspiracy as
- 2022 · Cinderella: The Reunion, A Special Edition of 20/20 as Self
- 2021 · Star Trek: Prodigy as Doctor Noum (voice)
- 2021 · Star Trek: Prodigy as Counselor Noum (voice)
- 2021 · Broadway: Beyond the Golden Age as Self
- 2021 · Celebrity Wheel of Fortune as Self - Contestant
- 2020 · The Rocky Horror Musical Live Stream as Narrator
- 2020 · Faith Based as Nicky Steele
- 2020 · Stars in the House as Self
- 2020 · Stars in the House as Self - Special Guest
- 2020 · My Boyfriend's Meds as Dr. Sternbach
- 2019 · Harley Quinn as Sy Borgman (voice)
- 2019 · The Movies That Made Us as Self
- 2018 · The Conners as Pastor Phil
- 2018 · The Portuguese Kid as Barry Dragonetti
- 2018 · Bucky and the Squirrels as Jason Alexander
- 2017 · Young Sheldon as Gene Lundy
- 2017 · The Orville as Olix
- 2017 · The Truth Is in the Stars as Self
- 2017 · The Marvelous Mrs. Maisel as Asher Friedman
- 2016 · The Mark Lembeck Technique as Mark Lembeck
- 2016 · Best Worst Thing That Ever Could Have Happened... as Self
- 2016 · There's Something About Romcoms as Self
- 2016 · The $100,000 Pyramid as Self
- 2016 · Match Game as Self - Panelist
- 2016 · To Tell the Truth as Self - Panelist
- 2015 · The Grinder as Cliff Bemis
- 2015 · China, Il The Musical as Harold
- 2015 · Big Time in Hollywood, Fl as Jason Alexander
- 2015 · The Late Late Show with James Corden as Self
- 2015 · Wild Card as Pinky
- 2014 · Penn Zero: Part-Time Hero as Coach Wallace (voice)
- 2014 · How Murray Saved Christmas as Doc Holiday (voice)
- 2014 · Lucky Stiff as Vinnie Di Ruzzio
- 2014 · The Tom and Jerry Show as Rick (voice)
- 2014 · TripTank as Doctor (voice)
- 2014 · Late Night with Seth Meyers as Self
- 2013 · Hollywood Game Night as Self
- 2013 · Drunk History as William Tweed
- 2012 · Comedians in Cars Getting Coffee as Self
- 2012 · Comedy Bang! Bang! as Inspector Gantlet
- 2012 · Another Dirty Movie as Self (uncredited)
- 2012 · Say It Ain't Solo as Himself
- 2011 · The Voyages of Young Doctor Dolittle as Eugene (voice)
- 2011 · Talking Dead as Self
- 2011 · China, IL as Harold (voice)
- 2011 · Dora the Explorer: Dora's Enchanted Forest Adventures as Owl (voice)
- 2010 · Not Your Time as Sid Rosenthal
- 2010 · Fish Hooks as Mr. Nibbles
- 2010 · Fish Hooks as Mr. Nibbles (voice)
- 2010 · Rock Slyde as Mailman Stan
- 2010 · The Marriage Ref as Self - Panelist
- 2009 · The Cleveland Show as
- 2009 · Community as Mountain Man
- 2009 · Hachi: A Dog's Tale as Carl
- 2008 · Shatner's Raw Nerve as Self
- 2008 · Step It Up and Dance as
- 2007 · Jerry Seinfeld: Submarine Captain as Himself
- 2006 · Rachael Ray as Self - Guest
- 2006 · Talkshow with Spike Feresten as
- 2006 · Comedy Central Roast of William Shatner as Self - Roastmaster
- 2006 · How to Go Out on a Date in Queens as Johnny
- 2006 · The New Adventures of Old Christine as Dr. Palmer
- 2005 · Earth to America as self
- 2005 · Criminal Minds as Prof. Rothchild
- 2005 · Everybody Hates Chris as
- 2005 · Robot Chicken as Krampus (voice)
- 2005 · American Dad! as Mr. Orlando (voice)
- 2005 · American Dad! as Sal (voice)
- 2005 · The Late Late Show with Craig Ferguson as Self
- 2004 · The Seinfeld Story as Self
- 2004 · Listen Up! as Tony Kleinman
- 2004 · The Tony Danza Show as Self - Guest
- 2003 · Two and a Half Men as Dr. Goodman
- 2003 · The Ellen DeGeneres Show as Self
- 2003 · The Very Best of America's Funniest Comedians as Self (archive footage)
- 2003 · Real Time with Bill Maher as Self
- 2003 · Jimmy Kimmel Live! as
- 2002 · The Man Who Saved Christmas as A.C. Gilbert
- 2002 · The Twilight Zone as Patient
- 2002 · Monk as Marty Eels
- 2001 · Being 'Shallow Hal' as Self
- 2001 · Shallow Hal as Mauricio
- 2001 · Good Day Live as Self
- 2001 · The Legend of Tarzan as Zutho (voice)
- 2001 · Primetime Glick as
- 2001 · Critics Choice Awards as Self
- 2001 · Disney's House of Mouse as
- 2000 · Curb Your Enthusiasm as Jason Alexander
- 2000 · The Huntress as
- 2000 · Son of the Beach as
- 2000 · Let's Rap Fire Safety as
- 2000 · Malcolm in the Middle as Leonard
- 1999 · Ultimate Trek: Star Trek's Greatest Moments as Host
- 1999 · The N.Y. Friars Club Roast of Jerry Stiller as Self - Roastmaster
- 1999 · Larry David: Curb Your Enthusiasm as Self
- 1999 · The Late Late Show with Craig Kilborn as Self - Guest
- 1998 · Titey as Titey (voice)
- 1986 · Brighton Beach Memoirs as Pool Player #1
- Future · Leo 2 as
- 1999 · Love and Action in Chicago as Frank Bonner
- 1999 · Madeline: Lost in Paris as Uncle Horst / Henri (voice)
- 1995 · Bye Bye Birdie as Albert J. Peterson
- 1995 · For Better or Worse as Michael Makeshift
- Future · The Sisters Rosensweig as Mervyn
- 1994 · Down on the Waterfront as
- Future · Meteor as Dr. Chetwyn
- 1999 · Sideshow: Alive on the Inside as Narrator
- 1999 · Dilbert as Catbert (voice)
- 1998 · Hollywood Squares as Self - Panelist
- 1998 · Hollywood Squares as
- 1998 · Hercules as Poseidon
- 1998 · Hercules as Poseidon (voice)
- 1996 · The Hunchback of Notre Dame as Gargoyle Hugo (voice)
- 1996 · Muppets Tonight as Self
- 1996 · Remember WENN as Alan Ballinger
- 1995 · Star Trek: Voyager as Kurros
- 1995 · A Tribute to Stephen Sondheim as
- 1994 · Friends as Earl
- 1994 · The Return of Jafar as Abis Mal - the Chief of the Thieves (voice)
- 1994 · Duckman as Duckman (voice)
- 1994 · Aladdin as Abis Mal (voice)
- 1994 · Aladdin as Captain Albatross (voice)
- 1994 · Aladdin as Abis Mal / Abnor Mal (voice)
- 1993 · Sexual Healing as Frank
- 1993 · For Goodness Sake as Electronics Store Customer
- 1992 · The Larry Sanders Show as Jason Alexander
- 1992 · I Don't Buy Kisses Anymore as Bernie Fishbine
- 1991 · Dinosaurs as Grown Baby (voice)
- 1991 · Dinosaurs as Stu (voice)
- 1991 · Dinosaurs as Gus Molehill (voice)
- 1991 · Dinosaurs as The Job Wizard (voice)
- 1991 · Dinosaurs as General H. Norman Conquest (voice)
- 1991 · Dinosaurs as Sexual Harris (voice)
- 1991 · Dinosaurs as UFO! Host / Announcer (voice)
- 1990 · Jacob's Ladder as Geary
- 1990 · Dream On as Randall Townsend
- 1990 · Pretty Woman as Philip Stuckey
- 1989 · The Simpsons as Bourbon Verlander (voice)
- 1989 · Seinfeld as George Costanza
- 1988 · LIVE with Kelly and Mark as Self - Guest
- 1986 · Rockabye as Lt. Ernest Foy
- 1983 · Reading Rainbow as Himself - Narrator (voice)
- 1982 · Newhart as
- 1982 · Late Night with David Letterman as Self
- 1981 · Senior Trip as Pete
- 1980 · A Capitol Fourth as Self
- 1975 · Saturday Night Live as Self - Host
- 1975 · Saturday Night Live as Self - Cameo (uncredited)
- 1956 · Tony Awards as Self - Presenter
- 1949 · The Emmy Awards as Self