Jason Alexander

Known For	Acting
Birthday	Sep 23, 1959 (66)
Birthplace	Newark, New Jersey, USA
Popularity	1 (history)
Updated	Jul 21, 2025
Entry Date	Apr 13, 2024
Links	TMDb IMDb

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 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

Headshots

Filmography

The Electric State

2025

as Ted / Wingman

The Gettysburg Address

2025

as Noah Brooks (voice)

Leo

2023

as Jayda's Dad (voice)

Faith Based

2020

as Nicky Steele

The Rocky Horror Musical Live Stream

2020

as Narrator

The Portuguese Kid

2018

as Barry Dragonetti

Bucky and the Squirrels

2018

as Jason Alexander

The Mark Lembeck Technique

2016

as Mark Lembeck

They're Real & They're Spectacular: Seinfeld Super Fans & The Summer of George

2016

as George Costanza (archive footage)

Tom and Jerry: Back to Oz

2016

as Mr. Bibb / The Nome King (voice)

Larry Gaye: Renegade Male Flight Attendant

2015

as Larry's Dad

Wild Card

2015

as Pinky

How Murray Saved Christmas

2014

as Doc Holiday (voice)

Lucky Stiff

2014

as Vinnie Di Ruzzio

Stars In Shorts

2012

as Sid Rosenthal

The Voyages of Young Doctor Dolittle

2011

as Eugene (voice)

Dora the Explorer: Dora's Enchanted Forest Adventures

2011

as Owl (voice)

A Fairly Odd Movie: Grow Up, Timmy Turner!

2011

as Cosmo

Not Your Time

2010

as Sid Rosenthal

Rock Slyde

2010

as Mailman Stan

Quantum Quest: A Cassini Space Odyssey

2010

as Moronic (voice)

Hachi: A Dog's Tale

2009

as Carl

The Grand

2007

as Dr. Yakov Achmed

How to Go Out on a Date in Queens

2006

as Johnny

Ira & Abby

2006

as Dr. Morris Saperstein

Farce of the Penguins

2006

as Penguin on Belly (voice)

Snoop Dogg's Hood of Horror

2006

as British Record Mogul

A Christmas Carol

2004

as Jacob Marley / Marley's Ghost

101 Dalmatians II: Patch's London Adventure

2003

as Lightning (voice)

The Man Who Saved Christmas

2002

as A.C. Gilbert

The Hunchback of Notre Dame II

2002

as Gargoyle Hugo (voice)

The Trumpet of the Swan

2001

as Father (voice)

Shallow Hal

2001

as Mauricio

The Adventures of Rocky & Bullwinkle

2000

as Boris

Jingle Bells

1999

as Elf (Voice)

Ultimate Trek: Star Trek's Greatest Moments

1999

as Host

Madeline: Lost in Paris

1999

as Uncle Horst / Henri (voice)

Love and Action in Chicago

1999

as Frank Bonner

Sideshow: Alive on the Inside

1999

as Narrator

Titey

1998

as Titey (voice)

Denial

1998

as Art Witz

Love! Valour! Compassion!

1997

as Buzz Hauser

Cinderella

1997

as Lionel

Sex, Censorship and the Silver Screen

1996

as Quote Reader

Dunston Checks In

1996

as Robert Grant

The Hunchback of Notre Dame

1996

as Gargoyle Hugo (voice)

Bye Bye Birdie

1995

as Albert J. Peterson

For Better or Worse

1995

as Michael Makeshift

The Last Supper

1995

as Anti-Enviroment

North

1994

as North's Dad

Blankman

1994

as Mr. Stone

The Paper

1994

as Marion Sandusky

The Return of Jafar

1994

as Abis Mal - the Chief of the Thieves (voice)

For Goodness Sake

1993

as Electronics Store Customer

Sexual Healing

1993

as Frank

Coneheads

1993

as Larry Farber

I Don't Buy Kisses Anymore

1992

as Bernie Fishbine

Pretty Woman

1990

as Philip Stuckey

White Palace

1990

as Neil

Jacob's Ladder

1990

as Geary

Rockabye

1986

as Lt. Ernest Foy

The Mosquito Coast

1986

as Hardware Clerk

Brighton Beach Memoirs

1986

as Pool Player #1

The Burning

1981

as Dave

Senior Trip

1981

as Pete

The Mark Lembeck Technique

2016

Consulting Producer

Just Looking

1999

Director

For Better or Worse

1995

Director

Agent Cody Banks

2003

Executive Producer

Organization	Category	Movie

Seinfeld

as George Costanza

Episodes: 180

First Aired: Jul 05, 1989

Duckman

as Duckman (voice)

Episodes: 70

First Aired: Mar 05, 1994

The Tom and Jerry Show

as Rick (voice)

Episodes: 52

First Aired: Apr 09, 2014

Listen Up!

as Tony Kleinman

Episodes: 22

First Aired: Sep 20, 2004

Kody Kapow

as Goji (voice)

Episodes: 22

First Aired: Jul 15, 2017

Star Trek: Prodigy

as Counselor Noum (voice)

Episodes: 16

First Aired: Oct 28, 2021

Harley Quinn

as Sy Borgman (voice)

Episodes: 13

First Aired: Nov 29, 2019

Aladdin

as Abis Mal (voice)

Episodes: 10

First Aired: Feb 06, 1994

Bob Patterson

as Bob Patterson

Episodes: 10

First Aired: Oct 02, 2001

Everything's Relative

as Julian Beeby

Episodes: 10

First Aired: Oct 03, 1987

Hit the Road

as Ken Swallow

Episodes: 10

First Aired: Oct 17, 2017

China, IL

as Harold (voice)

Episodes: 10

First Aired: Oct 02, 2011

Dilbert

as Catbert (voice)

Episodes: 9

First Aired: Jan 25, 1999

Dinner with Dad

as Jason Alexander

Episodes: 8

First Aired: Mar 10, 2017

Star Trek: Prodigy

as Doctor Noum (voice)

Episodes: 7

First Aired: Oct 28, 2021

E/R

as Harold Stickley

Episodes: 6

First Aired: Sep 16, 1984

Young Sheldon

as Gene Lundy

Episodes: 5

First Aired: Sep 25, 2017

Curb Your Enthusiasm

as Jason Alexander

Episodes: 5

First Aired: Oct 15, 2000

Hercules

as Poseidon (voice)

Episodes: 5

First Aired: Aug 31, 1998

The Grinder

as Cliff Bemis

Episodes: 4

First Aired: Sep 29, 2015

Favorite Son

as Chris Van Allen

Episodes: 3

First Aired: Oct 30, 1988

Fish Hooks

as Mr. Nibbles (voice)

Episodes: 3

First Aired: Sep 03, 2010

Meteor

as Dr. Chetwyn

Episodes: 2

First Aired: Jul 12, 2009

The Orville

as Olix

Episodes: 2

First Aired: Sep 10, 2017

The Conners

as Pastor Phil

Episodes: 2

First Aired: Oct 16, 2018

Dream On

as Randall Townsend

Episodes: 1

First Aired: Jul 08, 1990

Friends

as Earl

Episodes: 1

First Aired: Sep 22, 1994

Star Trek: Voyager

as Kurros

Episodes: 1

First Aired: Jan 16, 1995

Monk

as Marty Eels

Episodes: 1

First Aired: Jul 12, 2002

The Larry Sanders Show

as Jason Alexander

Episodes: 1

First Aired: Aug 15, 1992

The Legend of Tarzan

as Zutho (voice)

Episodes: 1

First Aired: Sep 03, 2001

Dinosaurs

as Grown Baby (voice)

Episodes: 1

First Aired: Apr 26, 1991

The New Adventures of Old Christine

as Dr. Palmer

Episodes: 1

First Aired: Mar 13, 2006

Community

as Mountain Man

Episodes: 1

First Aired: Sep 17, 2009

American Dad!

as Mr. Orlando (voice)

Episodes: 1

First Aired: Feb 06, 2005

Comedy Bang! Bang!

as Inspector Gantlet

Episodes: 1

First Aired: Jun 08, 2012

Drunk History

as William Tweed

Episodes: 1

First Aired: Jul 09, 2013

Two and a Half Men

as Dr. Goodman

Episodes: 1

First Aired: Sep 22, 2003

Aladdin

as Captain Albatross (voice)

Episodes: 1

First Aired: Feb 06, 1994

Aladdin

as Abis Mal / Abnor Mal (voice)

Episodes: 1

First Aired: Feb 06, 1994

Big Time in Hollywood, Fl

as Jason Alexander

Episodes: 1

First Aired: Mar 25, 2015

The Twilight Zone

as Patient

Episodes: 1

First Aired: Sep 18, 2002

Dinosaurs

as Stu (voice)

Episodes: 1

First Aired: Apr 26, 1991

Penn Zero: Part-Time Hero

as Coach Wallace (voice)

Episodes: 1

First Aired: Dec 05, 2014

The Marvelous Mrs. Maisel

as Asher Friedman

Episodes: 1

First Aired: Mar 16, 2017

TripTank

as Doctor (voice)

Episodes: 1

First Aired: Apr 02, 2014

Criminal Minds

as Prof. Rothchild

Episodes: 1

First Aired: Sep 22, 2005

Dinosaurs

as The Job Wizard (voice)

Episodes: 1

First Aired: Apr 26, 1991

Dinosaurs

as Gus Molehill (voice)

Episodes: 1

First Aired: Apr 26, 1991

Dinosaurs

as Sexual Harris (voice)

Episodes: 1

First Aired: Apr 26, 1991

Dinosaurs

as General H. Norman Conquest (voice)

Episodes: 1

First Aired: Apr 26, 1991

Robot Chicken

as Krampus (voice)

Episodes: 1

First Aired: Feb 20, 2005

The Simpsons

as Bourbon Verlander (voice)

Episodes: 1

First Aired: Dec 17, 1989

American Dad!

as Sal (voice)

Episodes: 1

First Aired: Feb 06, 2005

Kirstie

as Stanford Temple

Episodes: 1

First Aired: Dec 04, 2013

Mad About You

as Jason Alexander

Episodes: 1

First Aired: Nov 20, 2019

History of the World: Part II

as Maurice Cheeks

Episodes: 1

First Aired: Mar 06, 2023

Saturday TV Funhouse

as Titey (voice)

Episodes: 1

First Aired: Unknown

Rock, Paper, Scissors

as Jonathan Fartjoke (voice)

Episodes: 1

First Aired: Feb 12, 2024

Malcolm in the Middle

as Leonard

Episodes: 1

First Aired: Jan 09, 2000

Hercules

as Poseidon

Episodes: 0

First Aired: Aug 31, 1998

Fish Hooks

as Mr. Nibbles

Episodes: 0

First Aired: Sep 03, 2010

A Capitol Fourth

as Self

Episodes: 44

First Aired: Jul 04, 1980

Hollywood Squares

as Self - Panelist

Episodes: 10

First Aired: Sep 14, 1998

History of the Sitcom

as Self - Actor

Episodes: 8

First Aired: Jul 11, 2021

Real Time with Bill Maher

as Self

Episodes: 8

First Aired: Feb 21, 2003

Y llegaron de noche

Episodes: 7

First Aired: Oct 04, 2024

Match Game

as Self - Panelist

Episodes: 6

First Aired: Jun 26, 2016

Hollywood Squares

Episodes: 5

First Aired: Sep 14, 1998

The Tony Danza Show

as Self - Guest

Episodes: 3

First Aired: Sep 13, 2004

Everybody Hates Chris

Episodes: 2

First Aired: Sep 22, 2005

The Ellen DeGeneres Show

as Self

Episodes: 2

First Aired: Sep 08, 2003

Muppets Tonight

as Self

Episodes: 2

First Aired: Mar 08, 1996

Hollywood Game Night

as Self

Episodes: 2

First Aired: Jul 11, 2013

To Tell the Truth

as Self - Panelist

Episodes: 2

First Aired: Jun 14, 2016

Talkshow with Spike Feresten

Episodes: 1

First Aired: Sep 16, 2006

Son of the Beach

Episodes: 1

First Aired: Mar 14, 2000

Jimmy Kimmel Live!

Episodes: 1

First Aired: Jan 26, 2003

Newhart

Episodes: 1

First Aired: Oct 02, 1982

Late Night with David Letterman

as Self

Episodes: 1

First Aired: Feb 01, 1982

The Huntress

Episodes: 1

First Aired: Jul 26, 2000

E/R

Episodes: 1

First Aired: Sep 16, 1984

The Late Late Show with Craig Ferguson

as Self

Episodes: 1

First Aired: Jan 03, 2005

Where My Dogs At?

Episodes: 1

First Aired: Jun 10, 2006

Step It Up and Dance

Episodes: 1

First Aired: Apr 03, 2008

The Cleveland Show

Episodes: 1

First Aired: Sep 27, 2009

The Marriage Ref

as Self - Panelist

Episodes: 1

First Aired: Feb 28, 2010

The Late Late Show with Craig Kilborn

as Self - Guest

Episodes: 1

First Aired: Mar 30, 1999

Good Day Live

as Self

Episodes: 1

First Aired: Sep 17, 2001

The Emmy Awards

as Self

Episodes: 1

First Aired: Jan 25, 1949

Saturday Night Live

as Self - Host

Episodes: 1

First Aired: Oct 11, 1975

Critics Choice Awards

as Self

Episodes: 1

First Aired: Jan 22, 2001

The Movies That Made Us

as Self

Episodes: 1

First Aired: Nov 29, 2019

Late Night with Seth Meyers

as Self

Episodes: 1

First Aired: Feb 25, 2014

Talking Dead

as Self

Episodes: 1

First Aired: Oct 16, 2011

The Late Late Show with James Corden

as Self

Episodes: 1

First Aired: Mar 23, 2015

Tony Awards

as Self - Presenter

Episodes: 1

First Aired: Apr 01, 1956

Reading Rainbow

as Himself - Narrator (voice)

Episodes: 1

First Aired: Jun 06, 1983

Shatner's Raw Nerve

as Self

Episodes: 1

First Aired: Dec 02, 2008

The $100,000 Pyramid

as Self

Episodes: 1

First Aired: Jun 27, 2016

Dinosaurs

as UFO! Host / Announcer (voice)

Episodes: 1

First Aired: Apr 26, 1991

Comedians in Cars Getting Coffee

as Self

Episodes: 1

First Aired: Jul 19, 2012

Rachael Ray

as Self - Guest

Episodes: 1

First Aired: Sep 18, 2006

Stars in the House

as Self

Episodes: 1

First Aired: Mar 16, 2020

Stars in the House

as Self - Special Guest

Episodes: 1

First Aired: Mar 16, 2020

Saturday Night Live

as Self - Cameo (uncredited)

Episodes: 1

First Aired: Oct 11, 1975

Primetime Glick

Episodes: 1

First Aired: Jun 20, 2001

LIVE with Kelly and Mark

as Self - Guest

Episodes: 1

First Aired: Sep 05, 1988

Thank God You're Here

as Self

Episodes: 1

First Aired: Apr 09, 2007

Celebrity Wheel of Fortune

as Self - Contestant

Episodes: 1

First Aired: Jan 07, 2021

Disney's House of Mouse

Episodes: 0

First Aired: Jan 13, 2001

Popularity Metrics

Popularity History

Year	Month	Avg	Max	Min
2024	6	26	34	21
2024	7	33	51	20
2024	8	23	41	14
2024	9	20	30	13
2024	10	24	50	15
2024	11	19	32	11
2024	12	21	40	13
2025	1	23	39	11
2025	2	14	23	2
2025	3	7	25	1
2025	4	1	2	1
2025	5	4	5	1
2025	6	2	3	1
2025	7	1	2	1
2025	8	1	3	1
2025	9	1	2	1
2025	10	1	2	1

Trending Rank

Year	Month	Avg Rank	Max Rank
2025	1	767	616
2025	2	778	626
2025	7	649	566

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Jason Alexander

Biography

Known For

Headshots

Filmography

Television Credits

Popularity Metrics