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