Flashback! Stars Who Stopped by The O.C.In honor of the hit show's 10th anniversary, see which soon-to-be-famous faces hit the beach with Mischa Barton, Benjamin McKenzie, Rachel Bilson and Adam Brody

JACKSON RATHBONE

Before sharpening his fangs for The Twilight Saga, Rathbone, a.k.a. Jasper Hale, appeared in two 2006 episodes as Justin, a boarding school classmate of Kaitlin Cooper who hopes to start a romance with the troubled teen.