Biography
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...
Known For
Complete Filmography

The Gettysburg Address
2025
as Noah Brooks (voice)
In the midst of the Civil War, President Lincoln went to Gettysburg. "The Gettysburg Address" investigates the five extant copies of Lincoln's famous ...
Paddy Chayefsky: Collector of Words
2025
as Self
A feature documentary profiling the most revered screenwriter in movie history, Paddy Chayefsky stands alone as the only writer to win three solo Acad...

The Electric State
2025
as Ted / Wingman
An orphaned teen hits the road with a mysterious robot to find her long-lost brother, teaming up with a smuggler and his wisecracking sidekick.

Stealing Pulp Fiction
2024
as Dr. Mendelbaum
Three friends along with their therapist plan a heist to steal Quentin Tarantino's personal print of Pulp Fiction from his movie theater.

Dick Van Dyke: 98 Years of Magic
2023
as Self - Performer
CBS presents DICK VAN DYKE 98 YEARS OF MAGIC, an unforgettable special celebrating the legendary career of the iconic entertainer for his 98th birthda...

Leo
2023
as Jayda's Dad (voice)
Jaded 74-year-old lizard Leo has been stuck in the same Florida classroom for decades with his terrarium-mate turtle. When he learns he only has one y...

The Conspiracy
2022
It’s an insidious, centuries-old conspiracy theory that continues to rear its ugly head today: Jews have a secret international plot to control the wo...

Killing Me Softly with His Songs
2022
as Self
A musical documentary about the life and work of composer Charles Fox, known for pop hits such as 'Killing Me Softly with His Song', 'I Got a Name', '...

Out of Office
2022
A young woman discovers that keeping her job is related to helping her boss maintain his rapidly failing marriage.

Cinderella: The Reunion, A Special Edition of 20/20
2022
as Self
2022 marks the 25th anniversary of ABC airing Rodgers & Hammerstein’s “Cinderella” (1997), a revolutionary TV musical that embraced racial diversity i...

Dunston Checks Out
2022
as Jason Alexander (archival footage)
a film by milos mitrovic + peter kuplowsky

Broadway: Beyond the Golden Age
2021
as Self
Broadway: Beyond the Golden Age explores the world of Broadway from 1959 through the early 1980s as recounted by a diverse cast of Broadway stars who ...

The Rocky Horror Musical Live Stream
2020
as Narrator
This live stream benefiting the Democratic Party of Wisconsin features with Curry, Barry Bostwick, Wilmer Valderrama, Colleen Ballinger, Lance Bass, R...

Faith Based
2020
as Nicky Steele
When two idiot friends realize all "faith based" films make buckets of cash, they set out on a mission to make one of their own.

My Boyfriend's Meds
2020
as Dr. Sternbach
A Woman's island getaway with her boyfriend is thrown for a loop when he forgets to take his prescription medications along.

The Portuguese Kid
2018
as Barry Dragonetti
In Providence, Rhode Island, habitually widowed Atalanta pays a visit to her second-rate lawyer Barry Dragonetti. Intending to settle her latest husba...

Bucky and the Squirrels
2018
as Jason Alexander
Back in 1968, Bucky and the Squirrels topped the charts with their dance hit 'Do the Squirrel.' Unfortunately, on their first promotional tour, the pl...

Broadway: The Next Generation
2017
as Self
A look at the past, present and future of the Great White Way.

The Truth Is in the Stars
2017
as Self
William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of 'Star Trek' influenced multiple generations.

The Mark Lembeck Technique
2016
as Mark Lembeck
Acclaimed therapist Dr. Mark Lembeck (Jason Alexander), having suffered a "psychotic fracture", attempts to restore his reputation by offering free se...

The Mark Lembeck Technique
2016
Consulting Producer
Acclaimed therapist Dr. Mark Lembeck (Jason Alexander), having suffered a "psychotic fracture", attempts to restore his reputation by offering free se...

Best Worst Thing That Ever Could Have Happened...
2016
as Self
This film from acclaimed theater director Lonny Price charts the journey of the original cast of Stephen Sondheim's "Merrily We Roll Along" in the 30-...

For the Love of Spock
2016
as Self
The life of Mr. Spock, as well as that of Leonard Nimoy, the actor who played him for almost fifty years, written and directed by his son: Adam.

There's Something About Romcoms
2016
as Self
The inside story of the best modern romcoms with Meg Ryan, Hugh Grant, Richard Curtis, Dermot Mulrooney, Rupert Everett, Jason Alexander, Stephen Merc...

Tom and Jerry: Back to Oz
2016
as Mr. Bibb / The Nome King (voice)
After capturing the good witch, the villainous King Gnome creates havoc throughout Oz as he needs Dorothy's ruby slippers to take control of the Emera...

The Last Laugh
2016
as Self
Feature documentary about humor and the Holocaust, examining whether it is ever acceptable to use humor in connection with a tragedy of that scale, an...

China, Il The Musical
2015
as Harold
In the explosive hour long finale Baby Cakes wants a magical pet while Pony and Steve prove to each other that they love their respective crushes.

Larry Gaye: Renegade Male Flight Attendant
2015
as Larry's Dad
A self-anointed 'renegade' male flight attendant must save the day when the airline he works for tries to eliminate flight attendants as a cost-cuttin...

Misery Loves Comedy
2015
as Self
Do you have to be miserable to be funny? More than sixty comedians—including stand-ups, writers, actors, and directors from the US, Canada, and abroad...

Wild Card
2015
as Pinky
When a Las Vegas bodyguard with lethal skills and a gambling problem gets in trouble with the mob, he has one last play… and it's all or nothing.

How Murray Saved Christmas
2014
as Doc Holiday (voice)
One-hour animated special surrounding a surly deli owner Murray Weiner, who is forced to step into Santa's shoes for one Christmas and bumbles his way...

Lucky Stiff
2014
as Vinnie Di Ruzzio
An English shoe salesman inherits 6 million dollars from a recently deceased uncle he has never met before, on the condition that he takes the uncle's...

Stars In Shorts
2012
as Sid Rosenthal
Seven short films, all of which feature name actors, including Judi Dench, Kenneth Branagh, Colin Firth, Lily Tomlin, Keira Knightley, Jesse Tyler Fer...

National Lampoon's Another Dirty Movie
2012
as Self (uncredited)
Two college film students set out to make an homage to Charlie LaRue, not for art or for money. They're doing it to get a hot chick.
Say It Ain't Solo
2012
as Himself
A father and son learn that their favorite movie ("Star Wars") is about to become Hollywood's latest remake, so they enlist the help of some friends t...

The Voyages of Young Doctor Dolittle
2011
as Eugene (voice)
John Dolittle loves animals just like his uncle, Doctor Dolittle. When John is warned that animals are in danger, he jumps into his uncle’s submarine ...

Dora the Explorer: Dora's Enchanted Forest Adventures
2011
as Owl (voice)
Explore the Enchanted Forest with Dora, Boots, and King Unicornio in this trilogy of magical adventures, concluding in an enchanted double-length epis...

A Fairly Odd Movie: Grow Up, Timmy Turner!
2011
as Cosmo
The television movie is set in the city of Dimmsdale and centers on the series' main protagonist Timmy Turner with his fairy godparents Cosmo and Wand...

Not Your Time
2010
as Sid Rosenthal
A failed screenwriter's suicide threat turns out to be his best sales pitch.

Quantum Quest: A Cassini Space Odyssey
2010
as Moronic (voice)
Dave, a young photon, who is forced out of the Sun on a journey of discovery. He must get to the Cassini Space Craft and save it from the forces of th...

Rock Slyde
2010
as Mailman Stan
A film noir comedy about Rock Slyde, a down-and-out private detective that engages in a turf war with an upstart quasi-religious cult, The House of Ba...
Meteor
2009
as Dr. Chetwyn
Following an unparalleled series of meteor fireballs plummeting toward Earth, a renowned scientist, his assistant, and an on-target conspiracy theoris...

Hachi: A Dog's Tale
2009
as Carl
A drama based on the true story of a college professor's bond with the abandoned dog he takes into his home.

Jerry Seinfeld: Submarine Captain
2007
as Himself
A half-hour look at what Seinfeld did to pull the show together to get season 8 going and what he did behind-the-scenes to substitute for Larry David....

The Grand
2007
as Dr. Yakov Achmed
The Grand is in the tradition of improvisational comedies like Best In Show and This Is Spinal Tap. The story is set in the world of professional poke...

Farce of the Penguins
2006
as Penguin on Belly (voice)
In this spoof of "March of the Penguins," nature footage of penguins near the South Pole gets a soundtrack of human voices. Carl and Jimmy, best frien...

Comedy Central Roast of William Shatner
2006
as Self - Roastmaster
It's William Shatner's turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast. A parade of Shatner's friends...

How to Go Out on a Date in Queens
2006
as Johnny
A self-proclaimed dating expert tries to get his best friend, who lost his wife two years earlier, back into the dating scene, with disastrous results...

Snoop Dogg's Hood of Horror
2006
as British Record Mogul
A hip hop horror anthology of three tales of terror told by the Hound of Hell (Snoop Dogg) that revolve around the residents of an inner-city neighbor...

Ira & Abby
2006
as Dr. Morris Saperstein
A neurotic, young psychology student, with low self-esteem, has a chance encounter with a free-spirited, extremely gregarious woman who works at the P...

Earth to America
2005
as self
Tom Hanks is the host of this show with a comic approach to raise awareness concerning the environment.

The Aristocrats
2005
as Self
One hundred superstar comedians tell the same very, VERY dirty, filthy joke--one shared privately by comics since Vaudeville.

A Christmas Carol
2004
as Jacob Marley / Marley's Ghost
Miser Ebenezer Scrooge is awakened on Christmas Eve by spirits who reveal to him his own miserable existence, what opportunities he wasted in his yout...

The Seinfeld Story
2004
as Self
The origins of the "Seinfeld" TV series.

Seinfeld: How It Began
2004
as Self/George Costanza
A documentary detailing the troubled beginnings of “the show about nothing”.

The Very Best of America's Funniest Comedians
2003
as Self (archive footage)
Includes classic stand-up footage of: Tim Allen, Chris Rock, Adam Sandler, Jerry Seinfeld, Kelsey Grammer, Norm MacDonald, Ray Romano, Richard Belzer,...

Agent Cody Banks
2003
Executive Producer
Recruited by the U.S. government to be a special agent, nerdy teenager Cody Banks must get closer to cute classmate Natalie in order to learn about an...

101 Dalmatians II: Patch's London Adventure
2003
as Lightning (voice)
Being one of 101 takes its toll on Patch, who doesn't feel unique. When he's accidentally left behind on moving day, he meets his idol, Thunderbolt, w...

The Man Who Saved Christmas
2002
as A.C. Gilbert
Alfred Carlton Gilbert invented the Erector Set and is trying to get it onto the toy shelves of the country. A.C. is startled to be summoned to the Wh...

The Hunchback of Notre Dame II
2002
as Gargoyle Hugo (voice)
Now that Frollo is gone, Quasimodo rings the bell with the help of his new friend and Esmeralda's and Phoebus' little son, Zephyr. But when Quasi stop...

Being 'Shallow Hal'
2001
as Self
The HBO special is hosted by star Brooke Burns, who spends more time talking to people on the street about what it means to be shallow than discussing...

Shallow Hal
2001
as Mauricio
After taking his dying father's advice, Hal dates only the embodiments of female physical perfection. But that all changes after Hal has an unexpected...

The Trumpet of the Swan
2001
as Father (voice)
The adventures of a young Trumpeter swan who cannot speak. With the help of a human boy and the love of his family and friends, Louie discovers his ow...

The Adventures of Rocky & Bullwinkle
2000
as Boris
Rocky and Bullwinkle have been living off the finances made from the reruns of their cartoon show. Boris and Natasha somehow manage to crossover into ...

Let's Rap Fire Safety
2000
An educational video about fire safty

Ultimate Trek: Star Trek's Greatest Moments
1999
as Host
A retrospective celebrates the popularity of the various Star Trek" series; host Jason Alexander. Clips from the various series, interspersed with co...

The N.Y. Friars Club Roast of Jerry Stiller
1999
as Self - Roastmaster
The annual roast of the Friars Club, a fraternal organization for comedians, is a big honor - and yet can be a major embarrassment. The roastee being...

Just Looking
1999
Director
It's 1955. Lenny is a 14-year old boy who is totally fascinated by sex. He is too scared to "do it," so he dedicates his summer to seeing two other pe...

Larry David: Curb Your Enthusiasm
1999
as Self
Mock documentary about Seinfeld writer Larry David featuring contributions from his friends and colleagues. Larry makes a return to stand-up comedy an...

Love and Action in Chicago
1999
as Frank Bonner
Just when covert assassin Eddie Jones decides to ditch his dangerous job to settle down with his girlfriend, his superiors convince him to kill a rene...

Madeline: Lost in Paris
1999
as Uncle Horst / Henri (voice)
When Madeline's long lost uncle Horst arrives to take her to a Viennese finishing school, Miss Clavel, the eleven little girls and Pepito realize that...

Sideshow: Alive on the Inside
1999
as Narrator
These real, amazing and very human stories reawakened interest in the bizarre and eccentric world of the circus and carnival sideshow, turning the spo...

Jingle Bells
1999
as Elf (Voice)
A family with very little money worries about not being able to buy presents for each other, until they receive a little inspiration from a Christmas ...

Denial
1998
as Art Witz
Couples split up after a comment at an LA dinner party sets up arguments about how truthful partners are in their relationships.

Titey
1998
as Titey (voice)
A Saturday Night Live parody of a (fictional) Walt Disney film of the famous Titanic. Jason Alexander provides the voice for the ship, and Whoopi Gold...

Cinderella
1997
as Lionel
Cinderella chafes under the cruelty of her wicked stepmother and her evil stepsisters, until her Fairy Godmother steps in to change her life for one u...

Love! Valour! Compassion!
1997
as Buzz Hauser
A group of gay friends spend summer weekends together at a lakeside house in upstate New York. As the season progresses and secrets begin to surface, ...

The Hunchback of Notre Dame
1996
as Gargoyle Hugo (voice)
Isolated bell-ringer Quasimodo wishes to leave Notre Dame tower against the wishes of Judge Claude Frollo, his stern guardian and Paris' strait-laced ...

Dunston Checks In
1996
as Robert Grant
Hotel manager Robert Grant is forced by his boss to postpone his family vacation when a hotel critic checks in. Trouble is, the critic is really a vil...
Sex, Censorship and the Silver Screen
1996
as Quote Reader
Explores sexuality and censorship over a hundred years of motion pictures.

Bye Bye Birdie
1995
as Albert J. Peterson
In 1995, ABC presented a telemovie version of the Broadway musical Bye Bye Birdie produced by RHI Entertainment. It starred Seinfeld's Jason Alexande...

The Last Supper
1995
as Anti-Enviroment
A group of idealistic, but frustrated, liberals succumb to the temptation of murdering rightwing pundits for their political beliefs.

For Better or Worse
1995
as Michael Makeshift
A comic love triangle wherein a loser falls in love with his recently-married brother's wife.

For Better or Worse
1995
Director
A comic love triangle wherein a loser falls in love with his recently-married brother's wife.

A Tribute to Stephen Sondheim
1995
This special is a recording of the presentation of the Algur H. Meadows Award for Excellence in the Arts presented by Southern Methodist University in...

Blankman
1994
as Mr. Stone
Darryl is a childlike man with a genius for inventing various gadgets out of junk. When he stumbles on a method to make his clothes bulletproof, he de...

North
1994
as North's Dad
Eleven-year-old North has had it with his parents. They are always busy with their careers and don't give North the attention he needs, so he files a ...

The Return of Jafar
1994
as Abis Mal - the Chief of the Thieves (voice)
The evil Jafar escapes from the magic lamp as an all-powerful genie, ready to plot his revenge against Aladdin. From battling elusive villains atop wi...

Down on the Waterfront
1994
Two filmmakers, eager to make a feature film that will improve the tarnished reputation of the longshoreman's union, meet with union officials. The fi...

The Paper
1994
as Marion Sandusky
Henry Hackett is the workaholic editor of a New York City tabloid. He loves his job, but the long hours and low pay are leading to discontent. Also, p...

Coneheads
1993
as Larry Farber
A pair of aliens arrive on Earth to prepare for invasion, but crash instead. With enormous cone-shaped heads, robotlike walks and an appetite for toil...

Sexual Healing
1993
as Frank
A recently dumped single guy and a bored housewife meet through a phone dating service and begin a hot "verbal" affair over the phone.

For Goodness Sake
1993
as Electronics Store Customer
The concept of goodness is discussed. Why is goodness important? What is a good person? Can doing good change the world? These and other questions are...

I Don't Buy Kisses Anymore
1992
as Bernie Fishbine
Bernie Fishbine is overweight. He stops at the neighborhood store to buy some chocolate kisses every day. This is where he meets Theresa Garabaldi. Th...

Jacob's Ladder
1990
as Geary
After returning home from the Vietnam War, veteran Jacob Singer struggles to maintain his sanity. Plagued by hallucinations and flashbacks, Singer rap...

White Palace
1990
as Neil
Max Baron is a Jewish advertising executive in his 20s who's still getting over the death of his wife. Nora Baker is a 40-something diner waitress who...

Pretty Woman
1990
as Philip Stuckey
While on a business trip in Los Angeles, Edward Lewis, a millionaire entrepreneur who makes a living buying and breaking up companies, picks up a pros...

Brighton Beach Memoirs
1986
as Pool Player #1
Eugene, a young teenage Jewish boy, recalls his memoirs of his time as an adolescent youth. He lives with his parents, his aunt, two cousins, and his ...

The Mosquito Coast
1986
as Hardware Clerk
Allie Fox, an American inventor exhausted by the perceived danger and degradation of modern society, decides to escape with his wife and children to B...

Rockabye
1986
as Lt. Ernest Foy
A young woman, striking out on her own after having left her husband in California, has her young son snatched from her moments after getting off the ...

Senior Trip
1981
as Pete
A group of graduating students from a midwestern high school comes to New York City on a trip to celebrate the impending end of school. The students i...

The Burning
1981
as Dave
A caretaker at a summer camp is burned when a prank goes tragically wrong. After several years of intensive treatment at hospital, he is released back...

The Sisters Rosensweig
N/A
as Mervyn
Three very different sisters reunite after a lengthy separation and discover humanity, respect, and love in this definitive serious comedy about siste...

Leo 2
N/A
Adam Sandler's animated comedy movie Leo will receive a sequel, as Netflix's Ted Sarandos has confirmed ideas are being hashed out now.