23 Famous People You May Have Forgotten Were On "The O.C."

The O.C. was like the stepping stone to so many other, (not as good) teen soap operas.

1. Chris Pratt as Summer's hippie friend at Brown:

Warner Bros. / Via ecleader.org

His name was Che Cook and he loved hemp.

2. Paul Wesely as Donnie

Warner Bros. / Via fanpop.com

He worked with Ryan at the Crab Shack and then pulled a GUN on Luke at a party. Also he was one of many future vampires to appear on the show.

3. Paris Hilton as a random club girl named Kate:

icouldnthelpbutwonderblog.blogspot.com

Yes that is Paris taking a selfy with a flip phone.

4. Colin Hanks as Grady Bridges:

Warner Bros. / Via complex.com

He was the star of a fictional soap opera called "The Valley" and he had #COOLHAIR.

5. Amber Heard as this salesgirl:

youtube.com

The season was two and Amber was brilliant in her role as salesgirl with an attitude.

6. Morena Baccarin as Maya Griffin:

Warner Bros.

THE MOM FROM HOMELAND. THE MOM FROM HOMELAND.

7. Emmanuelle Chriqui as Jodie

Warner Bros. / Via emmanuelle-chriqui.com

Her character was mostly insignificant except for causing Marisa to make this face.

8. Jeffrey Dean Morgan as this prison guy:

Warner Bros. / Via Flickr: jdmschool

Fun fact: Jeffrey Dean Morgan is now married and has a child with Hilarie Burton, from One Tree Hill.

9. Jamie King as this spring break girl:

Warner Bros. / Via fanforum.com

She was lucky enough to have Seth Cohen lick whipped cream off her body during a spring break television competition.

10. Shailene Woodley as Marissa's little sister

Warner Bros. / Via entertainednews.com

Shailene was little Katilin Cooper until they sent her away and she was replaced by that older girl.

11. Jackson Rathbone as Kaitlin's college ex-boyfriend:

youtube.com

See, another future vampire.

12. Ashley Benson as an enemy of Kaitlin's:

Warner Bros. / Via prettylittleliars.alloyentertainment.com

Also this is one of three girls from Pretty Little Liars to appear on the show.

13. Janel Parrish as this teen:

prettylittleliars.alloyentertainment.com

This is the second.

14. Lucy Hale as Hadley, a friend of Kaitlin's:

youtube.com

ANDDDDDD, this is the third.

15. Chris Carmack as Luke:

Warner Bros. / Via listal.com

Guys, he's on Nashville now.

16. Nikki Reed as Sadie:

Warner Bros. / Via tvmedia.ign.com

ANOTHER VAMPIRE.

17. Logan Marshall Green as Trey:

youtube.com

Trey was actually a big character and was the most important person in one of the most memorable scenes in television history, I'm just here to remind you that this is the guy who looks like Tom Hardy, but isn't Tom Hardy.

18. Steve-O as a Marine:

Warner Bros. / Via tasteofglory.wordpress.com

He was probably already Jackass famous, but still deserves this mention.

19. Chris Brown as a band geek named Will:

Warner Bros.

This is when the world was a better place.

20. Cam Gigandet as Volchok:

Warner Bros. / Via fanpop.com

ANOTHER VAMPIRE AND ALSO THE JERK WHO BASICALLY KILLED MARISA. (spoiler alert).

21. Olivia Wilde as Marissa's girlfriend:

Warner Bros. / Via khaokal.netslums.com

Look at Olivia Wilde. This is actually Olivia Wilde.

22. AnnaLynne McCord as this girl who just wants to get high:

fanpop.com

Hey, who can blame her.

23. And Max Greenfield as young Sandy Cohen:

youtube.com

Needs more eyebrows, but otherwise: APPROVED.