34 People You Probably Didn't Know Were On Seinfeld

Not only the greatest sitcom ever, Seinfeld helped launch the career of many actors you love today.

1. Teri Hatcher

blogger.com

When did she first appear: The Implant (1993)

Who did she play: Sidra, Jerry's girlfriend

Where you recognize her from: Desperate Housewives

Memorable Moment: "By the way, they're real, and they're spectacular."

2. Bryan Cranston

Via wordpress.com

When did he first appear: The Mom & Pop Store (1994)

Who did he play: Dr. Tim Whatley, Jerry's dentist

Where you recognize him from: Breaking Bad, Malcolm in the Middle

Memorable Moment: Converting to Judaism for the jokes.

3. Megan Mullally

When did she first appear: The Implant (1993)

Who did she play: Betsy, George's girlfriend

Where you recognize her from: Will & Grace, Parks and Recreation

Memorable Moment: George accompanied her to her Detroit for her Aunt's wake to be the "good" boyfriend just to accumulate frequent flyer miles.

4. Michael Chiklis

When did he first appear: The Stranded (1991)

Who did he play: Steve, a friend of a friend from Long Island

Where you recognize him from: The Shield, Fantastic Four

Memorable Moment: Not wanting to pay the hooker at Jerry's apartment

5. Jon Favreau

When did he first appear: The Fire (1994)

Who did he play: Eric the Clown

Where you recognize him from: Swingers, Iron Man (director)

Memorable Moment: George argues with him because he doesn't know who Bozo the clown is

6. Catherine Keener

When did she first appear: The Letter (1992)

Who did she play: Nina, Jerry's girlfriend

Where you recognize her from: The 40 Year Old Virgin

Memorable Moment: Painting the now famous picture of Kramer

7. Sam Lloyd

When did he first appear: The Cigar Store Indian (1993)

Who did he play: Ricky

Where you recognize him from: Scrubs

Memorable Moment: Cutting up Frank Costanza's TV guide into a bouquet for Elaine

8. Christine Taylor

sitcomsonline.com

When did she first appear: The Van Buren Boys (1997)

Who did she play: Ellen, Jerry's girlfriend

Where you recognize her from: Hey Dude, Zoolander. She is also Ben Stiller's wife

Memorable Moment: Being Jerry's loser girlfriend

9. Courtney Cox

When did her first appear: The Wife (1994)

Who did her play: Meryl, Jerry's girlfriend

Where you recognize her from: Friends, Scream, Cougartown

Memorable Moment: Being in a fake marriage to Jerry just to get a discount on dry cleaning

10. Jon Gries

flavum.com

When did he first appear: The Beard (1995)

Who did he play: Homeless Man

Where you recognize him from: Napoleon Dynamite, Lost

Memorable Moment: Kramer gives him his Chinese food leftovers.

11. Amanda Peet

When did she first appear: The Summer of George (1997)

Who did she play: Linette, Jerry's date to the Tonys

Where you recognize her from: Saving Silverman, Something's Gotta Give

Memorable Moment: She lives with a "dude"

12. Denise Richards

When did she first appear: The Shoes (1993)

Who did she play: Molly Dalrymple, Russell Dalrymple's (Chairman of NBC) daughter

Where you recognize her from: Wild Things, Starship Troopers, she is also Charlie Sheen's ex-wife

Memorable Moment: George spends too much time staring at her cleavage

13. Lauren Graham

When did she first appear: The Millenium (1997)

Who did she play: Valerie, Jerry's girlfriend

Where you recognize her from: Gilmore Girls

Memorable Moment: Ranking the people of importance to her via the speed dial on her home phone, and breaking up with Jerry when he gets excited of his ranking ahead of poison control

14. Debra Messing

Via datingdaredevil.com

When did she first appear: The Yada Yada (1997)

Who did she play: Beth, a friend of Jerry and Elaine who is trying to adopt a baby with her husband Arnie

Where you recognize her from: Will & Grace, The Starter Wife, Smash

Memorable Moment: Her antisemitic remark at the very end of the episode

15. Marcia Cross

Via dateable.tumblr.com

When did she first appear: The Slicer (1997)

Who did she play: Dr. Sara Siterides, Jerry's Dermatologist girlfriend

Where you recognize her from: Desperate Housewives

Memorable Moment: Being referred to as "Pimplepopper M.D." by Jerry

16. Brad Garrett

When did he first appear: The Bottle Deposit (1997)

Who did he play: Tony, Jerry's mechanic

Where you recognize him from: Everybody Loves Raymond

Memorable Moment: Screeching off with Jerry's car and throwing JFK's golfclubs out the back of it

17. Jane Leeves

When did she first appear: The Virgin (1992)

Who did she play: Marla, Jerry's girlfriend

Where you recognize her from: Frasier, Hot In Cleveland

Memorable Moment: Being disgusted after finding out about the gangs "contest" where she ends up losing her virginity to JFK Jr.

18. Daniel Dae Kim

When did he first appear: The Burning (1998)

Who did he play: Student #1

Where you recognize him from: Lost

Memorable Moment: Guessing Kramer's gonorrhea

Edit: Tweeters have pointed out that Comedian Brian Posehn is in this picture, so make it 35!

19. Mariska Hargitay

When did she first appear: The Pilot (1993)

Who did she play: Melissa, An actress playing Elaine on Jerry's TV show

Where you recognize him from: Law & Order: SVU

Memorable Moment: Her infatuation with Jerry

20. James Spader

When did he first appear: The Apology (1997)

Who did he play: Jason Hanky, a childhood friend of George and Jerry

Where you recognize him from: The Practice, Boston Legal

Memorable Moment: "I'm not saying anything to you. I'm not sorry. I was never sorry. It was cashmere. I hate Step Nine! Where's that Rum Raisin? Where is it? Can't find anything. I need a drink. Ah, daquiri ice. Here we go. What are you looking at? Get out! Come on, can't you see we're closed?! Get out!" - On George wanting an apology for embarrassing him at a party.

21. Peter Krause

When did he first appear: The Limo (1992)

Who did he play: Tim, a white supremacist

Where you recognize him from: Six Feet Under

Memorable Moment: Pulling a gun on the gang inside the limousine

22. Lisa Edelstein

When did she first appear: The Masseuse (1993)

Who did she play: Karen, George's girlfriend

Where you recognize her from: House

Memorable Moment: Being neglected by George because of his infatuation with Jerry's girlfriend and her hatred towards him

23. French Stewart

When did he first appear: The Opposite (1994)

Who did he play: Manager at the movie theater

Where you recognize him from: 3rd Rock from the Sun

Memorable Moment: Delivering Elaine a message that her boyfriend had been in an accident, prompting her to buy some Jujyfruits

24. Kathy Griffin

When did he first appear: The Doll (1996)

Who did he play: Sally Weaver, Susan Ross's old roommate

Where you recognize him from: My Life on the D-List, Kathy

Memorable Moment: Her one-woman show entitled "Jerry Seinfeld, the devil"

25. Jeremy Piven

When did he first appear: The Pilot (1993)

Who did he play: Michael Barth, an actor trying to land the part of George

Where you recognize him from: Entourage

Memorable Moment: Nailing the part of George

26. Scott Patterson

When did he first appear: The Sponge (1995)

Who did he play: Billy, Elaines boyfriend

Where you recognize him from: Gilmore Girls

Memorable Moment: Being willing to shave his sideburns to sleep with Elaine

27. David James Elliott

fordjefans.com

When did he first appear: The Couch (1994)

Who did he play: Carl, a mover

Where you recognize him from: Jag, GCB

Memorable Moment: Elaine breaking up with him because he is pro-life

28. Thomas Dekker

When did he first appear: The Stand-in (1994)

Who did he play: Bobby, a sick boy

Where you recognize him from: Terminator: The Sarah Connor Chronicles, Heroes

Memorable Moment: Not giving Kramer back George Steinbrenner's birthday card since Paul O'neil didn't hit two homers.

29. Brenda Strong

When did she first appear: The Caddy (1996)

Who did she play: Sue Ellen Mischke, Elaine's nemesis

Where you recognize her from Desperate Housewives, Dallas

Memorable Moment: Never wearing a bra, ever.

30. Brian Doyle-Murray

media.avclub.com

When did he first appear: The Bubble Boy (1992)

Who did he play: Mel Sanger, the father of the bubble boys

Where you recognize him from: Groundhog Day, Caddyshack, The Middle

Memorable Moment: Just being a bubble boy dad

31. Suzanne Cryer

When did he first appear: The Yada Yada (1997)

Who did he play: Marcy, George's girlfriend

Where you recognize him from: Two Guys, a Girl and a Pizza Place, also many misc roles on other shows

Memorable Moment: Coining the term "Yada Yada"

32. Jennifer Coolidge

When did she first appear: The Masseuse (1993)

Who did she play: Jodi, Jerry's girlfriend

Where you recognize her from: Stifler's mom on American Pie

Memorable Moment: "I will not submit to forceable massage" - on Jerry trying to get her to give him a massage

33. Katherine LaNasa

When did she first appear: The Beard (1995)

Who did she play: Sgt. Cathy Tierny, a police officer that Jerry dates

Where you recognize her from: Two and a Half Men, Big Love, Judging Amy

Memorable Moment: Exposing Jerry's love of Melrose Place via a lie detector test

34. Molly Shannon

sitcomsonline.com

When did she first appear: The Summer of George (1997)

Who did she play: Sam, Elaine's co-worker

Where you recognize her from: SNL, Superstar, many other roles

Memorable Moment: Trashing Elaine's office because she catches her mocking the fact that she doesn't move her arms when she walks