Mischa Anne Marsden Barton was born on January 24, 1986 in London in a family of Irish and Englishmen. When she was five years old, the family moved to New York.
Mischa first appeared on stage at the age of nine - at first she played small roles in off-Broadway productions, and in 1995 it was entrusted to one of the main roles in the play "Slavs!". This was followed by work in various theatrical troupes, including participation in the annual Shakespeare Festival in New York.
In the same 1995 Barton she made her debut on television in the series "All My Children." In 1996 saw the release of "Run in New York" after - painting "prairie dog", "puppy", "Notting Hill" and the mystical drama "The Sixth Sense".
In the early 2000s, she starred in the film "Children under sixteen", with Drew Barrymore, the thriller "Disturbia", the drama "You will not catch up", and the film "College.
This success came to the actress after the youth series "The OC" in 2003, where she played the title role - a schoolgirl Marisa. The following picture of Misha became "Orgasm in Ohio" (2006), "close the circle" (2006), "Virgin Territory" (2007).
In 2007, Barton played a fan of the "Tattoo" in the Russian-Ukrainian project "You and I" - however, in his official filmography Misha this film does not include.
The television series "Beautiful Life" (2009), despite the participation of Misha Barton and Elle McPherson, as well as producing its Ashton Kutcher, was a disaster - it was closed after the second episode.