Mischa Barton is a British-American actress and model who gained widespread fame for her role as Marissa Cooper on the popular Fox television series The O.C. (2003-2006). Barton's portrayal of the troubled yet captivating character made her a teen icon and earned her several Teen Choice Awards. Before The O.C., she appeared in films such as The Sixth Sense and Notting Hill, showcasing her acting talent at a young age. After The O.C., Barton pursued various film and television projects. In addition to acting, she has worked as a model and has been involved in fashion design.