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