Home People Mischa Barton Mischa Barton shows Mischa Barton shows Mischa Barton TV Shows (17) The Hills: New Beginnings (2019) As Herself, She was 33 years old Recovery Road (2016) As Olivia, She was 30 years old The Beautiful Life: TBL (2009) As Sonja Stone, She was 23 years old Chris Moyles' Quiz Night (2009) She was 23 years old The Friday Night Project (2005) She was 19 years old The Tony Danza Show (2004) She was 18 years old The Ellen DeGeneres Show (2003) She was 17 years old The O.C. (2003) As Marissa Cooper, She was 17 years old Punk'd (2003) As Herself, She was 17 years old Jimmy Kimmel Live! (2003) She was 17 years old Fastlane (2002) She was 16 years old Once and Again (1999) As Katie Singer, She was 13 years old Law & Order: Special Victims Unit (1999) As Gladys Dalton, She was 13 years old The View (1997) She was 11 years old KaBlam! (1996) As Betty Anne Bongo, She was 10 years old Late Night with Conan O'Brien (1993) She was 7 years old LIVE with Kelly and Ryan (1983) She was 2 years old
