Patricia Rooney Mara (born 1985) is an American film and television actress.Mara made her acting debut in 2005 and has gone on to star in films including A Nightmare on Elm Street, the remake of the 1984 horror film, and The Social Network.Mara will portray Lisbeth Salander, the title character in The Girl with the Dragon Tattoo, the first of three Sony Pictures films based on Stieg Larsson's Millennium book series. Mara is also known for her charity work.She oversees the charity Faces of Kibera, which benefits orphans from the Kibera slum in Nairobi, Kenya, one of the largest slums in Africa.She is also the younger sister of actress Kate Mara. This book is your ultimate resource for Rooney Mara. Here you will find the most up-to-date information, photos, and much more. In easy to read chapters, with extensive references and links to get you to know all there is to know about her Early life, Career and Personal life right away. A quick look inside: Rooney Mara, Law & Order: Special Victims Unit (season 7), The Cleaner (TV series), Dare (film), The Winning Season, Youth in Revolt (film), Tanner Hall (film), A Nightmare on Elm Street (2010 film), Nancy Thompson (A Nightmare on Elm Street), The Social Network, The Girl with the Dragon Tattoo (2011 film), Lawless (film).