1. Mischa Anne Barton is an Irish-American film, television, and stage actress, and occasional fashion model.
2. She made her screen debut with a guest appearance on the American soap opera All My Children .
3. She then voiced a character on the Nickelodeon cartoon series KaBlam! .
4. Her first major film role was as the protagonist of Lawn Dogs , an acclaimed drama co-starring Sam Rockwell.
5. She continued acting, appearing in major box office pictures such as the romantic comedy, Notting Hill .
6. She also starred in the critically acclaimed indie crime drama Pups .
7. She is known for her role as Marissa Cooper in the Fox television series The O.C. , for which she received two Teen Choice Awards.
8. The role catapulted Barton into mainstream fame, and Entertainment Weekly named her the “It Girl” of 2003.
9. In 2012, she returned to the stage, performing in the Irish production of Steel Magnolias.
10. In 2006, ten days after her twentieth birthday, she became a naturalised citizen of the United States.
11. Barton began acting at the age of eight, co-starring in the Off-Broadway premiere of the 1994 play, Slavs!, written by Tony Kushner.
12. The New York Times also remarked that “the winning child actresses Brittany Boyd and Mischa Barton are already smart enough not to overplay the naivete and precocity of their respective characters.” The New York production went on to win the OBIE Award for Best Play.
13. She made her film debut in Lawn Dogs, which won awards at film festivals around the world.
14. Barton won critical favour for her role, with Janet Maslin of The New York Times praising her “poised” performance Barton then appeared in Notting Hill .