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...

spend much time navigating their relationships with girl-next-door Marissa Cooper and Seth's childhood crush Summer Roberts. The following is a list of...

spend much time navigating their relationships with girl-next-door Marissa Cooper, Seth's childhood crush Summer Roberts, and the fast-talking loner Taylor...

portrayed by Olivia Wilde. She is bisexual, dating both Seth Cohen and Marissa Cooper in the second season of the series. Creator Josh Schwartz described...

Rachel Wood's girlfriend on ABC's Once and Again (2001–02). She played Marissa Cooper in the Fox television series The O.C. (2003–2006), for which she received...

guiding and supporting Seth and Ryan, and at times their love interests Marissa Cooper, Summer Roberts and Taylor Townsend, through their problems. Despite...

final season for original cast member Mischa Barton who played Marissa Cooper; Marissa tragically dies in a car accident in the season finale. Season...

thorn in Ryan Atwood and Marissa Cooper's relationship, soon developing a severe obsession with the latter. After holding Marissa captive at gunpoint in...

Cohen (Adam Brody) and a friend for Marissa Cooper (Mischa Barton), while Ryan Atwood (Ben McKenzie) and Marissa were the lead couple. However, due to...

one of the "core four" characters on The O.C. alongside Ryan Atwood, Marissa Cooper, and Summer Roberts. Seth's friendship with Ryan, who eventually became...