Marissa Cooper

Marissa Cooper is a fictional character on the FOX television series The O.C., portrayed by Mischa Barton. Marissa was among the original "core four" characters on The O.C. until her death in the season three finale, "The Graduates." Marissa Cooper is introduced as a rich, beautiful socialite in Newport Beach, California whose family (mother Julie, father Jimmy, and younger sister Kaitlin) go through some dramatic changes over the course of the seasons. She is a troubled person before the series begins, with a history of substance abuse and rebellious behavior. This is even evident from the first episode of Season 1 where she is left on her front door by her friends, passed out from drinking. From there, she is detailed to have private...