Claim: American actress Rooney Mara stars in Her.

Patricia Rooney Mara -LRB- -LSB- ˈmɛərə -RSB- ; born April 17 , 1985 -RRB- is an American actress and philanthropist . She made her screen debut in the slasher film Urban Legends : Bloody Mary -LRB- 2005 -RRB- and went on to have a breakout role in the independent coming-of-age drama Tanner Hall -LRB- 2009 -RRB- , followed by roles in the 2010 remake of A Nightmare on Elm Street and the biographical drama film The Social Network -LRB- 2010 -RRB- .   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 Ai n't Them Bodies Saints and the acclaimed sci-fi romantic drama , Her . The following year , she starred in the adventure drama film Trash -LRB- 2014 -RRB- . 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 .