Mischa Barton'ın oynadığı bazı filmler şunlardır: "Lawn Dogs" (1997); "The Sixth Sense" (1999); "Notting Hill" (2000); "Lost and Delirious" (2001); "Assassination of a High School President" (2008); "St. Trinian's" (2007); "The Oh in Ohio" (2006); "Spree" (2020); "Painkillers" (2018); "Ouija House" (2018).