23 Hilarious Celebrities that Appeared on Seinfeld

Seinfeld is one of the most iconic sitcoms in television history. From its memorable characters and quotable lines to the rich comedic writing, this show has remained a fan-favorite for over two decades.

Even more impressive than its long-lasting legacy is the impressive list of star-studded celebrity appearances that have graced our screens throughout Seinfeld’s nine season run.

From Brad Pitt and Bob Odenkirk to Julia Louis-Dreyfus and Jason Alexander, there’s no doubt that this show was packed with some serious star power.

In this article, we’ll take a look at some of the most memorable celebrity cameos on Seinfeld and explore what made them so special.

Bryan Cranston (as Tim Whatley)

Bryan Cranston is an Emmy Award-winning actor best known for his starring roles in Breaking Bad and Malcolm in the Middle. He appeared as Tim Whatley, Jerry’s dentist who converts to Judaism solely for the jokes and infuriates Jerry with his annoying behavior.

Marisa Tomei (as herself)

Marisa Tomei is an Academy Award-winning American actress, best known for her roles in films such as My Cousin Vinny and The Wrestler. She also appeared on Seinfeld as herself, when George dated her and she accepted his invitation to the opera.

Teri Hatcher (as Sidra Holland)

Teri Hatcher is an American actress who rose to fame playing Lois Lane on the hit TV series Lois & Clark: The New Adventures of Superman. On Seinfeld, she played Jerry’s “faux” girlfriend Sidra Holland with aplomb. Her character was so popular that she continued to appear in several episodes throughout the show’s run.

Keith Hernandez (as himself)

Keith Hernandez is a retired Major League Baseball first baseman and current analyst for the New York Mets broadcast team. On Seinfeld, he appeared as himself when Jerry develops an obsessive crush on him after watching him in a Folgers commercial.

Danny Tartabull (as himself)

Danny Tartabull is a retired professional baseball player who played in the MLB from 1984 to 1995 with a number of different teams. He made cameos on Seinfeld as himself, most notably when George tries to convince him to donate to his charity auction.

Fred Savage (as himself)

Fred Savage is an American actor, director, and producer best known for his roles in The Wonder Years and Boy Meets World. On Seinfeld, he appeared as a young version of himself in the episode “The Opposite” when Jerry visits an alternate reality and sees what his life would look like if he made all the opposite choices.

Courtney Cox (as Meryl)

Courtney Cox is an American actress best known for her starring role in the hit sitcom Friends. She had a cameo on Seinfeld as Meryl, Jerry’s girlfriend who turns out to be just as annoying as his parents.

Catherine Keener (as Nina)

Catherine Keener is an Academy Award-nominated American actress best known for roles in films such as Being John Malkovich and The 40 Year Old Virgin. She played the role of Nina, an unstable woman who George develops an unlikely relationship with.

Denise Richards (as Molly Dalrymple)

Denise Richards is an American actress best known for her roles in Wild Things and Starship Troopers. On Seinfeld, she appeared as Molly Dalrymple, a sexy sales clerk who catches Jerry’s eye during one of his shopping trips.

Marlee Matlin (as Laura)

Marlee Matlin is an Academy Award-winning deaf actress best known for her roles in films such as Children of a Lesser God and four episodes of The West Wing. She had a recurring role on Seinfeld as Laura, George’s girlfriend who turns out to be even more neurotic than him.

Kathy Griffin (as Sally Weaver)

Kathy Griffin is an American comedian and television personality best known for her stand-up comedy specials on Bravo. On Seinfeld, she played the role of Sally Weaver, a kooky real estate agent who Jerry meets when he tries to buy an apartment in Manhattan.

Jon Favreau (as Eric the Clown)

Jon Favreau is an American actor, comedian, and filmmaker best known for directing Iron Man and The Jungle Book. On Seinfeld, he played the role of Eric the Clown, a clown that Jerry hires to entertain at his niece’s birthday party but who turns out to be more trouble than he bargained for.

Debra Messing (as Beth)

Debra Messing is an Emmy Award-winning actress best known for her roles in Will & Grace and The Starter Wife. She appeared as Beth on Seinfeld when she visits New York with her family and Jerry takes them all out to dinner.

Janeane Garofalo (as Jeannie Steinman)

Janeane Garofalo is an American actress and stand-up comedian best known for her roles in films such as Reality Bites and The Truth About Cats & Dogs. She played the role of Jeannie Steinman, a woman who Jerry dates but who turns out to be too neurotic even for him.

Patrick Warburton (as David Puddy)

Patrick Warburton is an American actor best known for his roles in Seinfeld, Rules of Engagement, and The Tick. On Seinfeld, he had a recurring role as David Puddy, Elaine’s obnoxious boyfriend whom she tries desperately to get rid of throughout the series.

John O’Hurley (as J. Peterman)

John O’Hurley is an American actor and game show host best known for his role as J. Peterman on Seinfeld. He had a recurring role throughout the series as Elaine’s employer, the eccentric catalog magnate whose outlandish stories often cause chaos in the office.

Wayne Knight (as Newman)

Wayne Knight is an American actor best known for playing Newman on Seinfeld. He was a frequent guest star throughout the show’s run as Jerry’s arch-nemesis and mailman who he constantly schemes against with varying levels of success.

James Spader (as Jason Hanky)

James Spader is an Emmy Award-winning actor best known for his roles in The Office, Boston Legal, and Avengers: Age of Ultron. On Seinfeld, he appeared as Jason Hanky, a golf pro who Jerry meets on the course and tries to get lessons from.

David Letterman (as himself)

David Letterman is an American television host and comedian most famous for hosting the Late Show with David Letterman. He made a memorable cameo on Seinfeld when Jerry goes on his show and gets heckled by him in front of the live audience.

Sarah Silverman (as Emily)

Sarah Silverman is an American stand-up comedian and actress best known for her comedy specials such as Jesus Is Magic and her sitcom The Sarah Silverman Program. On Seinfeld, she played the role of Emily, Jerry’s girlfriend who drives him crazy with her excessively loud laughter.

Jerry Stiller (as Frank Costanza)

Jerry Stiller is an American actor and comedian best known for his roles in Seinfeld and King of Queens. He had a recurring role on Seinfeld as Frank Costanza, George’s hyperactive father who loves to yell at the top of his lungs whenever he encounters something that irritates him.

Estelle Harris (as Estelle Costanza)

Estelle Harris is an American actress best known for voicing Mrs. Potato Head in the Toy Story franchise and playing George’s mother, Estelle Costanza, on Seinfeld. She had a recurring role throughout the show’s run as George’s neurotic and overbearing mother who he often clashes with.

Jerry Seinfeld (as Jerry Seinfeld)

Last but certainly not least, we have Jerry Seinfeld himself! As the creator and star of the iconic comedy series, Jerry has become one of the most successful comedians of all time. He appears in each and every episode as his namesake character – a sarcastic, neurotic New Yorker living off his stand-up career.

These are just some of the celebrities and famous people who have made memorable appearances as guests on Seinfeld. For nine seasons, these beloved characters have kept viewers laughing (and cringing) with their hilarious hijinks. From Jerry’s neurotic behavior to Newman’s devious schemes, there’s never a dull moment! It’s no wonder why Seinfeld remains one of the most popular sitcoms in history. What a show!