The O.C. Cast: Then and Now
Samaire Armstrong: Then
Armstrong played Anna Stern, who transferred to Newport Beach from Pittsburgh in Season 1. She instantly connected with Seth Cohen (Adam Brody) and even dated him, though it later became apparent that he was in love with Summer Roberts (Rachel Bilson). Anna returned in Season 3 when she bumped into Seth at Brown University and helped him get an interview with the Rhode Island School of Design. She also returned to Newport to attend prom with Seth and help him win Summer back.