Polyphemus
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Personal Info

Gender

Male

Birthday

1959-09-23 (65 years old)

Place of Birth

Newark, New Jersey, USA

Jason Alexander

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

Acting

2025

The Electric State as Ted / Wingman
The Gettysburg Address as Noah Brooks (voice)

2024

Stealing Pulp Fiction as Dr. Mendelbaum
Rock, Paper, Scissors as Jonathan Fartjoke (voice)
Y llegaron de noche as Carl Laemmle

2023

Leo as Jayda's Dad (voice)

2022

2021

History of the Sitcom as Self - Actor
Star Trek: Prodigy as Doctor Noum (voice)
Star Trek: Prodigy as Counselor Noum (voice)
Celebrity Wheel of Fortune as Self - Contestant

2020

My Boyfriend's Meds as Dr. Sternbach
Faith Based as Nicky Steele
Stars in the House as Self - Special Guest

2019

Harley Quinn as Sy Borgman (voice)
Mad About You as Jason Alexander

2018

Bucky and the Squirrels as Jason Alexander
The Portuguese Kid as Barry Dragonetti
The Conners as Pastor Phil

2017

Hit the Road as Ken Swallow
Dinner with Dad as Jason Alexander
The Marvelous Mrs. Maisel as Asher Friedman
Kody Kapow as Goji (voice)
The Orville as Olix
Young Sheldon as Gene Lundy

2016

Tom and Jerry: Back to Oz as Mr. Bibb / The Nome King (voice)
Match Game as Self - Panelist
To Tell the Truth as Self - Panelist

2015

Wild Card as Pinky
The Grinder as Cliff Bemis
Big Time in Hollywood, Fl as Jason Alexander

2014

Lucky Stiff as Vinnie Di Ruzzio
How Murray Saved Christmas as Doc Holiday (voice)
The Tom and Jerry Show as Rick (voice)
Penn Zero: Part-Time Hero as Coach Wallace (voice)
TripTank as Doctor (voice)

2013

Drunk History as William Tweed
Kirstie as Stanford Temple

2012

Stars In Shorts as Sid Rosenthal
Another Dirty Movie as Self (uncredited)
Comedy Bang! Bang! as Inspector Gantlet

2011

Talking Dead as Self
China, IL as Harold (voice)

2010

Rock Slyde as Mailman Stan
Not Your Time as Sid Rosenthal
The Marriage Ref as Self - Panelist
Fish Hooks as Mr. Nibbles
Fish Hooks as Mr. Nibbles (voice)

2009

Meteor as Dr. Chetwyn
Community as Mountain Man

2008

2007

The Grand as Dr. Yakov Achmed

2006

Farce of the Penguins as Penguin on Belly (voice)
Snoop Dogg's Hood of Horror as British Record Mogul
Ira & Abby as Dr. Morris Saperstein
Rachael Ray as Self - Guest

2005

American Dad! as Mr. Orlando (voice)
Criminal Minds as Prof. Rothchild
Robot Chicken as Krampus (voice)
American Dad! as Sal (voice)

2004

A Christmas Carol as Jacob Marley / Marley's Ghost
Seinfeld: How It Began as Self/George Costanza
The Tony Danza Show as Self - Guest
Listen Up! as Tony Kleinman

2003

Two and a Half Men as Dr. Goodman

2002

The Hunchback of Notre Dame II as Gargoyle Hugo (voice)
Monk as Marty Eels

2001

Shallow Hal as Mauricio
The Trumpet of the Swan as Father (voice)
The Legend of Tarzan as Zutho (voice)
Bob Patterson as Bob Patterson

2000

Curb Your Enthusiasm as Jason Alexander

1999

Madeline: Lost in Paris as Uncle Horst / Henri (voice)
Jingle Bells as Elf (Voice)
Dilbert as Catbert (voice)

1998

Denial as Art Witz
Titey as Titey (voice)
It's Tough to Be a Bug! as Weevil Kneevil
Hercules as Poseidon
Hollywood Squares as Self - Panelist
Hercules as Poseidon (voice)

1997

Cinderella as Lionel

1996

The Hunchback of Notre Dame as Gargoyle Hugo (voice)
Dunston Checks In as Robert Grant
Remember WENN as Alan Ballinger

1995

The Last Supper as Anti-Enviroment
Bye Bye Birdie as Albert J. Peterson
For Better or Worse as Michael Makeshift

1994

Blankman as Mr. Stone
North as North's Dad
The Paper as Marion Sandusky
The Return of Jafar as Abis Mal - the Chief of the Thieves (voice)
Duckman as Duckman (voice)
Friends as Earl
Aladdin as Abis Mal (voice)
Aladdin as Captain Albatross (voice)
Aladdin as Abis Mal / Abnor Mal (voice)

1993

Coneheads as Larry Farber
For Goodness Sake as Electronics Store Customer

1992

I Don't Buy Kisses Anymore as Bernie Fishbine
The Larry Sanders Show as Jason Alexander

1991

Dinosaurs as Grown Baby (voice)
Dinosaurs as Stu (voice)
Dinosaurs as Gus Molehill (voice)
Dinosaurs as The Job Wizard (voice)
Dinosaurs as General H. Norman Conquest (voice)
Dinosaurs as Sexual Harris (voice)
Dinosaurs as UFO! Host / Announcer (voice)

1990

Pretty Woman as Philip Stuckey
White Palace as Neil
Dream On as Randall Townsend

1989

Seinfeld as George Costanza
The Simpsons as Bourbon Verlander (voice)

1988

Favorite Son as Chris Van Allen
LIVE with Kelly and Mark as Self - Guest

1987

Everything's Relative as Julian Beeby

1986

Brighton Beach Memoirs as Pool Player #1
The Mosquito Coast as Hardware Clerk
Rockabye as Lt. Ernest Foy

1984

E/R as Harold Stickley

1983

Reading Rainbow as Himself - Narrator (voice)

1982

1981

The Burning as Dave
Senior Trip as Pete

1980

1975

Saturday Night Live as Self - Host
Saturday Night Live as Self - Cameo (uncredited)

1956

Tony Awards as Self - Presenter

1949

-

Meteor as Dr. Chetwyn
Saturday TV Funhouse as Titey (voice)

Production

2016

The Mark Lembeck Technique as Consulting Producer

2003

Agent Cody Banks as Executive Producer

2001

Bob Patterson as Executive Producer

Directing

2010

Mike & Molly as Director

2006

Campus Ladies as Director

2005

Criminal Minds as Director

1999

Just Looking as Director

1996

Remember WENN as Director

1995

1989

Seinfeld as Director

Crew

2001

Bob Patterson as Creator

Writing

2017

Dinner with Dad as Writer

2001

Bob Patterson as Story
Bob Patterson as Teleplay

Creator

2001

Bob Patterson as Creator