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What All The Cast Members Of 'The O.C.' Are Up To Now

Adam Brody
As a witty and dorky Seth Cohen, who didn't love Adam Brody's character on The O.C.? After Ryan moves into the pool house and the Cohen family adopts him, Seth's life changes in a major way. Though he is suddenly mingling with the "cool kids" and dating Summer Roberts, he still maintains his quirky demeanor.