Jason Alexander
Born: 1959-09-23 in Newark, New Jersey, USA
Known For: Acting
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
2026
- Jimmy as Louis B. Mayer
2025
- The Bad Guys: Breaking In as Mysterious Figure (voice)
- The Electric State as Ted / Wingman
- LEGO Marvel Avengers: Strange Tails as Magneto (voice)
- The Gettysburg Address as Noah Brooks (voice)
- Stealing Pulp Fiction as Dr. Mendelbaum
- Paddy Chayefsky: Collector of Words as Self
2024
- Y llegaron de noche as Carl Laemmle
2023
- Leo as Jayda's Dad (voice)
- Rock, Paper, Scissors as Jonathan Fartjoke (voice)
- History of the World: Part II as Maurice Cheeks
- Dick Van Dyke: 98 Years of Magic as Self - Performer
2022
- Out of Office
- Killing Me Softly with His Songs as Self
- Cinderella: The Reunion, A Special Edition of 20/20 as Self
- The Conspiracy
- Dunston Checks Out as Jason Alexander (archival footage)
2021
- Star Trek: Prodigy as Doctor Noum (voice)
- Celebrity Wheel of Fortune as Self - Contestant
- Broadway: Beyond the Golden Age as Self
- The Problem with Jon Stewart as Jeff Bezos
- History of the Sitcom as Self - Actor
2020
- Stars in the House as Self
- The Rocky Horror Musical Live Stream as Narrator
- Faith Based as Nicky Steele
- My Boyfriend's Meds as Dr. Sternbach
2019
- Harley Quinn as Sy Borgman (voice)
- The Movies That Made Us as Self
- Mad About You as Jason Alexander
2018
- The Conners as Pastor Phil
- Bucky and the Squirrels as Jason Alexander
- The Portuguese Kid as Barry Dragonetti
2017
- Young Sheldon as Gene Lundy
- The Orville as Olix
- The Marvelous Mrs. Maisel as Asher Friedman
- The Truth Is in the Stars as Self
- Broadway: The Next Generation as Self
- Kody Kapow as Goji (voice)
- Hit the Road as Ken Swallow
- Dinner with Dad as Jason Alexander
2016
- Match Game as Self - Panelist
- To Tell the Truth as Self - Panelist
- The $100,000 Pyramid as Self
- For the Love of Spock as Self
- Tom and Jerry: Back to Oz as Mr. Bibb / The Nome King (voice)
- The Last Laugh as Self
- Best Worst Thing That Ever Could Have Happened... as Self
- There's Something About Romcoms as Self
- The Mark Lembeck Technique as Mark Lembeck
2015
- The Late Late Show with James Corden as Self
- Wild Card as Pinky
- The Grinder as Cliff Bemis
- Larry Gaye: Renegade Male Flight Attendant as Larry's Dad
- Misery Loves Comedy as Self
- China, Il The Musical as Harold
- Big Time in Hollywood, Fl as Jason Alexander
2014
- Late Night with Seth Meyers as Self
- The Tom and Jerry Show as Rick (voice)
- Penn Zero: Part-Time Hero as Coach Wallace (voice)
- TripTank as Doctor (voice)
- Lucky Stiff as Vinnie Di Ruzzio
- How Murray Saved Christmas as Doc Holiday (voice)
2013
- Drunk History as William Tweed
- Hollywood Game Night as Self
- Kirstie as Stanford Temple
2012
- Comedy Bang! Bang! as Inspector Gantlet
- Comedians in Cars Getting Coffee as Self
- Stars In Shorts as Sid Rosenthal
- Say It Ain't Solo as Himself
- National Lampoon's Another Dirty Movie as Self (uncredited)
2011
- Franklin & Bash as Carter Lang
- Harry's Law as Richard Cross
- Talking Dead as Self
- A Fairly Odd Movie: Grow Up, Timmy Turner! as Cosmo
- China, IL as Harold (voice)
- The Voyages of Young Doctor Dolittle as Eugene (voice)
- Dora the Explorer: Dora's Enchanted Forest Adventures as Owl (voice)
2010
- Mike & Molly ... (Director)
- Fish Hooks as Mr. Nibbles
- Rock Slyde as Mailman Stan
- The Marriage Ref as Self - Panelist
- Quantum Quest: A Cassini Space Odyssey as Moronic (voice)
- Not Your Time as Sid Rosenthal
2009
- Community as Mountain Man
- Hachi: A Dog's Tale as Carl
- The Cleveland Show
- Meteor as Dr. Chetwyn
2008
2007
- The Grand as Dr. Yakov Achmed
- Thank God You're Here as Self
- Jerry Seinfeld: Submarine Captain as Himself
2006
- The New Adventures of Old Christine as Dr. Palmer
- Ira & Abby as Dr. Morris Saperstein
- Rachael Ray as Self - Guest
- Farce of the Penguins as Penguin on Belly (voice)
- Snoop Dogg's Hood of Horror as British Record Mogul
- Talkshow with Spike Feresten
- Comedy Central Roast of William Shatner as Self - Roastmaster
- Campus Ladies ... (Director)
- Where My Dogs At?
- How to Go Out on a Date in Queens as Johnny
2005
- Criminal Minds as Prof. Rothchild
- American Dad! as Mr. Orlando (voice)
- The Late Late Show with Craig Ferguson as Self
- Robot Chicken as Krampus (voice)
- Everybody Hates Chris as Principal Edwards
- The Aristocrats as Self
- Earth to America as self
2004
- The Tony Danza Show as Self - Guest
- A Christmas Carol as Jacob Marley / Marley's Ghost
- Agent Cody Banks 2: Destination London ... (Executive Producer)
- Listen Up! as Tony Kleinman
- Kramer vs. Kramer: Kenny to Cosmo as Self
- Seinfeld: How It Began as Self/George Costanza
- The Seinfeld Story as Self
2003
- Two and a Half Men as Dr. Goodman
- Real Time with Bill Maher as Self
- Jimmy Kimmel Live! as Self
- The Ellen DeGeneres Show as Self
- 101 Dalmatians II: Patch's London Adventure as Lightning (voice)
- Agent Cody Banks ... (Executive Producer)
- The Very Best of America's Funniest Comedians as Self (archive footage)
2002
- Monk as Marty Eels
- The Twilight Zone as Patient
- The Hunchback of Notre Dame II as Gargoyle Hugo (voice)
- The Man Who Saved Christmas as A.C. Gilbert
2001
- Good Day Live as Self
- Disney's House of Mouse
- The Legend of Tarzan as Zutho (voice)
- Shallow Hal as Mauricio Wilson
- Primetime Glick
- The Trumpet of the Swan as Father (voice)
- On Edge as Zamboni Phil
- Critics Choice Awards as Self
- Bob Patterson as Bob Patterson
- Bravo Profiles: Penn and Teller as Self
- Being 'Shallow Hal' as Self
2000
- Malcolm in the Middle as Leonard
- Curb Your Enthusiasm as Jason Alexander
- Son of the Beach
- The Adventures of Rocky & Bullwinkle as Boris
- The Huntress
- Let's Rap Fire Safety
1999
- Jingle Bells as Elf (Voice)
- The Late Late Show with Craig Kilborn as Self - Guest
- Just Looking ... (Director)
- Dilbert as Catbert (voice)
- Larry David: Curb Your Enthusiasm as Self
- Madeline: Lost in Paris as Uncle Horst / Henri (voice)
- Love and Action in Chicago as Frank Bonner
- The N.Y. Friars Club Roast of Jerry Stiller as Self - Roastmaster
- Ultimate Trek: Star Trek's Greatest Moments as Host
- Sideshow: Alive on the Inside as Narrator
1998
- Hercules as Poseidon
- Hollywood Squares as Self - Panelist
- Denial as Art Witz
- Titey as Titey (voice)
1997
- Cinderella as Lionel
- Love! Valour! Compassion! as Buzz Hauser
1996
- The Hunchback of Notre Dame as Gargoyle Hugo (voice)
- Remember WENN as Alan Ballinger
- Muppets Tonight as Self
- Dunston Checks In as Robert Grant
- Sex, Censorship and the Silver Screen as Quote Reader
1995
- Star Trek: Voyager as Kurros
- The Last Supper as Anti-Enviroment
- For Better or Worse as Michael Makeshift
- A Tribute to Stephen Sondheim
- Bye Bye Birdie as Albert J. Peterson
1994
- Friends as Earl
- Aladdin as Abis Mal (voice)
- Duckman as Duckman (voice)
- North as North's Dad
- The Paper as Marion Sandusky
- The Return of Jafar as Abis Mal - the Chief of the Thieves (voice)
- Blankman as Mr. Stone
- Down on the Waterfront
1993
- The Nanny as Jack
- Coneheads as Larry Farber
- Sexual Healing as Frank
- For Goodness Sake as Electronics Store Customer
1992
- The Larry Sanders Show as Jason Alexander
- I Don't Buy Kisses Anymore as Bernie Fishbine
1991
- Dinosaurs as Grown Baby (voice)
1990
- Pretty Woman as Philip Stuckey
- White Palace as Neil
- Dream On as Randall Townsend
- Jacob's Ladder as Geary
1989
- The Simpsons as Bourbon Verlander (voice)
- Seinfeld as George Costanza
1988
- LIVE with Kelly and Mark as Self - Guest
- Favorite Son as Chris Van Allen
1987
- Everything's Relative as Julian Beeby
1986
- The Mosquito Coast as Hardware Clerk
- Rockabye as Lt. Ernest Foy
- Brighton Beach Memoirs as Pool Player #1
1983
- Reading Rainbow as Self - Narrator (voice)
1982
1981
- The Burning as Dave
- Senior Trip as Pete
1980
- A Capitol Fourth as Self
1975
- Saturday Night Live as Self - Host
1956
- Tony Awards as Self - Presenter
1949
- The Emmy Awards as Self
1944
- Golden Globe Awards as Self - Nominee