Patricia Rooney Mara (/ˈmɛərə/ MAIR-ə; born April 17, 1985) is an American actress and philanthropist. She made her screen debut in the slasher film Urban Legends: Bloody Mary (2005) and went on to have a breakout role in the independent coming-of-age drama Tanner Hall (2009), followed by roles in the 2010 remake of A Nightmare on Elm Street and the biographical drama film The Social Network (2010).
In 2011, Mara portrayed Lisbeth Salander, the title character in David Fincher's The Girl with the Dragon Tattoo, based on Stieg Larsson's Millennium book series. She received critical acclaim for her performance and was nominated for an Academy Award for Best Actress and a Golden Globe Award for Best Actress in a Motion Picture – Drama. In 2013, she starred in the thriller Side Effects, the independent drama Ain't Them Bodies Saints and the acclaimed sci-fi romantic drama, Her. The following year, she starred in the adventure drama film Trash (2014). In 2015, she garnered further critical acclaim for her performance in Todd Haynes' romantic drama Carol, for which she tied for the Best Actress Award at the 2015 Cannes Film Festival and was nominated for the Golden Globe Award for Best Actress in a Motion Picture – Drama and the SAG, BAFTA, and Academy Award for Best Supporting Actress.
Mara is also known for her charity work and oversees the charity Uweza Foundation, which supports empowerment programs for children and families in the Kibera slum in Nairobi, Kenya, one of the largest slums in Africa.