Since "The O.C." wrapped up its series in 2007, everyone in its cast seems to be doing their own things. Whether it be starring in new series or keeping it low-key, these stars have each gone down different paths, and we've rounded them up for you.

Rachel Bilson on "Hart of Dixie" (hart-of-dixie-wego/Tumblr)

For a time she known for playing Summer Roberts, also known as the love of Seth Cohen's life. Rachel Bilson has moved on past her high school teen days as Summer and into the grown adult world as a doctor in Bluebell, Alabama. The front woman the CW series "Hart of Dixie," Bilson plays a New York City native who moved to the small town of the South. Bilson has also been seen in movies such as "The To-Do List" alongside Aubrey Plaza.

Ben McKenzie in Southland (atwoods/Tumblr)

Benjamin McKenzie

Ryan Atwood as always seen as the sensitive guy with a dark past, but viewers of "The O.C." always loved him for that, as well as his undying love for Marissa Cooper. As of lately, McKenzie starred in a series called "Southland," playing police Officer Ben Sherman. Now, he is set to star in Fox series "Gotham," the prequel to the story of Batman, as Detective James Gordon.

READ MORE: 'Gotham's' Harvey Bullock Is Donal Logue

Adam Brody in "New Girl" (tvhangover/Tumblr)

Seth Cohen always pulled on our heart strings as he professed his love for Summer Roberts, as well as became so lovable with his quirky personality as he made phrases like "Chrismakkah." Adam Brody has starred in a few projects here and there, such as film "Some Girl(s)" and guest starring on "New Girl" with Zooey Deschanel. Brody has also made headlines after he secretly married "Gossip Girl" star Leighton Meester.

READ MORE: Adam Brody Returns To Television

Mischa Barton and friends at a fashion show (bynes-lohan/Tumblr)

Mischa Barton played the beautiful golden girl Marissa Cooper on "The O.C.," making her the girl every one want to be or to have. While it seems as though she's been staying under the radar for the past few years, Barton has made her appearance in films such as "I Will Follow You Into the Dark," and "A Resurrection."

Willa Holland with costar Stephen Amell (quicktoscratchyoureye/Tumblr)

Willa Holland took the place of Shailene Woodley when they brought the character of Kaitlin Cooper, Marissa's little sister, back to the show. Since her time on "The O.C." Holland has been seen on "Gossip Girl" as Agnes Andrews, Jenny Humphrey's model friend, and has been a main role on the CW series "Arrow" as Thea Queen. 

Chris Carmack on "Nashville" (mentertainment2/Tumblr)

Chris Carmack embodied a character that paralleled Marissa Cooper, playing Luke Ward early in the California-based series. Since then, he has been seen in ABC Original Movie "Beauty & the Briefcase" opposite Hilary Duff, and most recently he has been tuning into his Southern side in television series "Nashville" as Will Lexington.

Reach Executive Producer Dale Chong here. Follow her on Twitter here.