Seinfeld (TV) Cast
The cast of Seinfeld. Updated on August 17, 2025.
1,311 actors
Jerry Seinfeld
as Jerry Seinfeld (180 episodes)

Jerry Seinfeld plays a fictionalized version of himself, a stand-up comedian living in New York City.

Jason Alexander
as George Costanza (180 episodes)

Jason Alexander portrays George Costanza, Jerry's best friend known for his insecurities and unlucky situations.

Michael Richards
as Cosmo Kramer (180 episodes)

Michael Richards plays Cosmo Kramer, Jerry's eccentric neighbor known for his wild ideas and quirky behavior.

Julia Louis-Dreyfus
as Elaine Benes (180 episodes)

Julia Louis-Dreyfus is Elaine Benes, Jerry's ex-girlfriend and a close friend with a distinctive sense of humor.

Barbara Stock
as Scam Woman (1 episode)

Barbara Stock appears as Scam Woman, a minor character in the series.

Mariska Hargitay
as Melissa (Elaine) (2 episodes)

Mariska Hargitay plays Melissa, posing as Elaine in one of the episodes.

Carol Kane
as Corinne (1 episode)

Carol Kane is Corinne, a character who appears in a memorable episode.

Judge Reinhold
as Aaron (3 episodes)

Judge Reinhold plays Aaron, a character with a memorable interaction with the main cast.

Timothy Stack
as Dwayne (1 episode)

Timothy Stack features as Dwayne, a character in the series.

Scott Patterson
as Billy (1 episode)

Scott Patterson plays Billy, a minor character in the show.

Marisa Tomei
as Marisa Tomei (2 episodes)

Marisa Tomei appears as herself, making a cameo in one of the episodes.

Debbie Lee Carrington
as Tammy (2 episodes)

Debbie Lee Carrington plays Tammy, a character in the series.

Michelle Forbes
as Julie (2 episodes)
Kathy Griffin
as Sally Weaver (2 episodes)
Harry Van Gorkum
as Craig (1 episode)
Brian George
as Babu Bhatt (4 episodes)
Maggie Wheeler
as Cynthia (1 episode)
Jane Leeves
as Marla Penny (7 episodes)
Dan Cortese
as Tony (1 episode)
David James Elliott
as Carl (1 episode)
Jon Voight
as Jon Voight (1 episode)
Charlotte Lewis
as Nina (1 episode)
Lee Garlington
as Claire (1 episode)
Peter Krause
as Tim (1 episode)
Brian Reddy
as Dan (1 episode)
Elina Löwensohn
as Katya (2 episodes)
Mary Scheer
as Joan (2 episodes)
Debra Jo Rupp
as Katie (2 episodes)
Siobhan Fallon Hogan
as Tina (4 episodes)
Frank Novak
as Clerk (1 episode)
Gretchen German
as Donna (2 episodes)
Joseph Maher
as Gavin Pollone (1 episode)
Lisa Edelstein
as Karen (3 episodes)
Richard Burgi
as Ben (2 episodes)
Armin Shimerman
as Stan the Caddy (1 episode)
Bryant Gumbel
as Bryant Gumbel (1 episode)
Reni Santoni
as Poppie (5 episodes)
Bruce Mahler
as Rabbi Glickman (4 episodes)
Lionel Mark Smith
as Florist (1 episode)
Kevin Dunn
as Joel Horneck (1 episode)
Philip Bruns
as Morty Seinfeld (1 episode)
Rudolph Giuliani
as Rudy Giuliani (1 episode)
Buck Showalter
as Buck Showalter (2 episodes)
Teri Hatcher
as Sidra Holland (6 episodes)
Kathie Lee Gifford
as Kathie Lee Gifford (2 episodes)
Lawrence Tierney
as Alton Benes (1 episode)
Nick Bakay
as Carl (1 episode)
Kay E. Kuter
as Older Priest (1 episode)
Barbara Alyn Woods
as Debby (1 episode)
Mel Tormé
as Mel Tormé (1 episode)
Bette Midler
as Bette Midler (1 episode)
Charles Cyphers
as Gardner (1 episode)
Kimberley Kates
as Diane (1 episode)
Glenn Shadix
as Harold (1 episode)
Tom Alan Robbins
as Stan (1 episode)
Jessica Tuck
as Bonnie (1 episode)
Mark Metcalf
as Maestro (2 episodes)
Lisa Deanne Young
as Christie (1 episode)
Philip Baker Hall
as Lt. Joe Bookman (4 episodes)
Brian Doyle-Murray
as Mel Sanger (5 episodes)
Ellen Albertini Dow
as Momma (1 episode)
Jay Leno
as Jay Leno (1 episode)
James Hong
as Maître d' (2 episodes)
Courteney Cox
as Meryl (2 episodes)
Jon Favreau
as Eric the Clown (1 episode)
Jon Gries
as Homeless Man (2 episodes)
Jeff Yagher
as John (1 episode)
Pat Cooper
as Pat Cooper (1 episode)
Ray Stricklyn
as Clarence (1 episode)
George Wallace
as Doctor (1 episode)
Kyle Sullivan
as Son (1 episode)
Melinda Clarke
as Alex (1 episode)
Drake Bell
as Kenny (1 episode)
Brad Garrett
as Tony Abado (2 episodes)
Jonathan Penner
as Zach (1 episode)
Ned Bellamy
as Eddie (1 episode)
Kevin McDonald
as Denim Vest (1 episode)
Stephen Root
as Mr. Lager (1 episode)
Michael D. Roberts
as Ipswich (1 episode)
Jim Fowler
as Jim Fowler (1 episode)
Brian Levinson
as Andy (1 episode)
John Michael Higgins
as Kurt (1 episode)
Suzanne Cryer
as Marcy (1 episode)
Bernie Williams
as Bernie Williams (1 episode)
Debra Messing
as Beth Lukner (2 episodes)
Marcia Cross
as Dr. Sara Sitarides (1 episode)
Brian Posehn
as Artie (1 episode)
Sarah Silverman
as Emily (1 episode)
Ben Stein
as Shellbach (1 episode)
Kristin Davis
as Jenna (2 episodes)
Lauren Graham
as Valerie (1 episode)
Chelsea Noble
as Danielle (1 episode)
Toby Huss
as Jack / The Wiz (1 episode)
Angela Featherstone
as Cindy (1 episode)
Tony Plana
as Manny (1 episode)
Molly Hagan
as Sister Roberta (1 episode)
Lois Nettleton
as Mrs. Enright (2 episodes)
Edward Winter
as Mr. Stevenson (1 episode)
David St. James
as Doctor (1 episode)
Matt McCoy
as Lloyd Braun (2 episodes)
For the best insights and data about the TV show Seinfeld, visit our main Seinfeld page.