TV'The O.C.' turns 15: Where are they now?An underprivileged kid moved into wealthy Orange County, California, on Fox's "The O.C," which premiered 15 years ago, on Aug. 5, 2003. So where did the actors go when the show wrapped up after four seasons? Here are a few of the highlights of where they've been.FOXPeter Gallagher played Sandy Cohen, a public defender who becomes the legal guardian of a troubled teen.APGallagher had recurring roles in several television shows after "The O.C.," including USA's "Covert Affairs," Netflix's "Grace and Frankie" and NBC's "Law & Order: SVU" with Mariska Hargitay (pictured).Michael Parmelee/NBCRyan Atwood (Benjamin McKenzie) was a troubled teenager who was taken in by the Cohen family after his mother kicks him out of the house.XXX FOXMcKenzie spent five seasons as a cop on the NBC/TNT drama "Southland." He can currently be seen in Fox's "Gotham" as Captain James Gordon.Giovanni Rufino, FOXAdam Brody was Seth Cohen, who befriends Ryan when he moves in with the Cohen family.XXX FOXBrody went on to to do several movies, including "CHiPs" and "Cop Out" (pictured with Kevin Pollak). He's also an actor and producer for Sony Crackle's "StartUp."Warner Bros. PicturesKelly Rowan was Kirsten Cohen, the wife of Sandy whose father is a local real estate developer.XXX FOXRowan worked with Eric McCormack on the TNT series "Perception," which ran for three seasons.Doug Hyun, TNTRachel Bilson was Summer Roberts, a popular teenager who falls for the nerdy Seth.Michael Desmond/FOXBilson spent four seasons on CW's "Hart of Dixie" as Zoe Hart, a doctor who moves to small-town Alabama to practice medicine. She's also in ABC's "Take Two" as an actress who teams up with a private investigator.Jack Rowand, ABCAlan Dale was Caleb Nichol, a real estate mogul and the father of Kirsten Cohen.XXX FoxDale spent two seasons on ABC's "Ugly Betty" and had recurring roles on shows including "Once Upon a Time," "Hot in Cleveland" and "Lost" (pictured).ABCMischa Barton played Marissa Cooper, a rich girl who lived next door to the Cohens and had a relationship with Ryan.XXX FoxBarton has pursued a movie career including “Assassination of a High School President" and indie projects. She's also been involved in the fashion industry as a model and designer.Yari Film GroupTate Donovan played Marissa's dad, Jimmy Cooper, who has financial and personal issues.XXX FOXDonovan was in several movies including "Manchester by the Sea" and "Argo." He also starred opposite Glenn Close (pictured) in the FX series "Damages."FXMelinda Clarke was Julie, the superficial socialite married to Jimmy.XXX FOXClarke starred in CW's "Nikita" for four seasons as a psychologist and interrogator. She's also had guest stints on "The Vampire Diaries," "Gotham" and "Entourage."The CWFeatured Weekly Ad