10. Her first starring role was in the indie film Tanner Hall

Thanks to the hype currently surrounding Mara, her first starring role in Tanner Hall, a coming-of-age story that follows four girls at a boarding school in a New England town, will finally be seen by more than just the 2009 Toroto Film Fest crowd. Last January, Anchor Bay acquired the rights to distribute the film in the U.S., United Kingdom, Australia, and New Zealand later this year to coincide with the release of the David Fincher project.