Jason Alexander
ActingBorn Sep 23, 1959
Newark, New Jersey, USA
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
Sexual Healing
movie1993
Dora the Explorer: Dora's Enchanted Forest Adventures
movie2011
Saturday TV Funhouse
tv
For Goodness Sake
movie1993
People's Choice Awards
tv1975
The Making of Disney's The Hunchback of Notre Dame
movie1996
Malcolm in the Middle
tv2000
Friends
tv1994
Reading Rainbow
tv1983
Harley Quinn
tv2019
Criminal Minds
tv2005
Criminal Minds
tv2005
Filmography
2026Jimmyas Louis B. Mayermovie2025The Gettysburg Addressas Noah Brooks (voice)movie2025LEGO Marvel Avengers: Strange Tailsas Magneto (voice)tv2025The Bad Guys: The Seriesas D.B. Cougar (voice)tv2025Paddy Chayefsky: Collector of Wordsas Selfmovie2025Stealing Pulp Fictionas Dr. Mendelbaummovie2025The Electric Stateas Ted / Wingmanmovie2024Y llegaron de nocheas Carl Laemmletv2023Dick Van Dyke: 98 Years of Magicas Self - Performermovie2023Leoas Jayda's Dad (voice)movie2023Rock, Paper, Scissorsas Jonathan Fartjoke (voice)tv2023History of the World: Part IIas Maurice Cheekstv2022The Conspiracymovie2022Killing Me Softly with His Songsas Selfmovie2022Out of Officemovie2022Cinderella: The Reunion, A Special Edition of 20/20as Selfmovie2022Dunston Checks Outas Jason Alexander (archival footage)movie2021Star Trek: Prodigyas Counselor Noum (voice)tv2021The Problem with Jon Stewartas Jeff Bezostv2021Broadway: Beyond the Golden Ageas Selfmovie2021History of the Sitcomas Self - Actortv2021Celebrity Wheel of Fortuneas Self - Contestanttv2020The Rocky Horror Musical Live Streamas Narratormovie2020Faith Basedas Nicky Steelemovie2020Stars in the Houseas Self - Special Guesttv2020My Boyfriend's Medsas Dr. Sternbachmovie2019The Movies That Made Usas Selftv2019Harley Quinnas Sy Borgman (voice)tv2019Mad About Youas Jason Alexandertv2018The Connersas Pastor Philtv2018The Portuguese Kidas Barry Dragonettimovie2018Bucky and the Squirrelsas Jason Alexandermovie2017Hit the Roadas Ken Swallowtv2017Young Sheldonas Gene Lundytv2017The Orvilleas Olixtv2017Kody Kapowas Goji (voice)tv2017The Truth Is in the Starsas Selfmovie2017The Marvelous Mrs. Maiselas Asher Friedmantv2017Dinner with Dadas Writertv2016The Mark Lembeck Techniqueas Consulting Producermovie2016Best Worst Thing That Ever Could Have Happened...as Selfmovie2016For the Love of Spockas Selfmovie2016There's Something About Romcomsas Selfmovie2016The $100,000 Pyramidas Selftv2016Match Gameas Self - Panelisttv2016Tom and Jerry: Back to Ozas Mr. Bibb / The Nome King (voice)movie2016To Tell the Truthas Self - Panelisttv2016The Last Laughas Selfmovie2015The Grinderas Cliff Bemistv2015China, Il The Musicalas Haroldmovie2015Larry Gaye: Renegade Male Flight Attendantas Larry's Dadmovie2015Big Time in Hollywood, Flas Jason Alexandertv2015The Late Late Show with James Cordenas Selftv2015Misery Loves Comedyas Selfmovie2015Wild Cardas Pinkymovie2014How Murray Saved Christmasas Doc Holiday (voice)movie2014Penn Zero: Part-Time Heroas Coach Wallace (voice)tv2014Lucky Stiffas Vinnie Di Ruzziomovie2014The Tom and Jerry Showas Rick (voice)tv2014TripTankas Doctor (voice)tv2014Late Night with Seth Meyersas Self - Guesttv2013Kirstieas Stanford Templetv2013Hollywood Game Nightas Selftv2013Drunk Historyas William Tweedtv2012Stars in Shortsas Sid Rosenthalmovie2012Comedians in Cars Getting Coffeeas Selftv2012Comedy Bang! Bang!as Inspector Gantlettv2012National Lampoon's Another Dirty Movieas Self (uncredited)movie2012Say It Ain't Soloas Selfmovie2011The Voyages of Young Doctor Dolittleas Eugene (voice)movie2011Talking Deadas Selftv2011China, ILas Harold (voice)tv2011Dora the Explorer: Dora's Enchanted Forest Adventuresas Owl (voice)movie2011A Fairly Odd Movie: Grow Up, Timmy Turner!as Cosmomovie2011Franklin & Bashas Carter Langtv2011Harry's Lawas Richard Crosstv2010Not Your Timeas Sid Rosenthalmovie2010Mike & Mollyas Directortv2010Quantum Quest: A Cassini Space Odysseyas Moronic (voice)movie2010Fish Hooksas Mr. Nibbles (voice)tv