Patricia Rooney Mara (born April 17, 1985) is an American actress. She made her acting debut in 2005, and went on to star in films such as Tanner Hall, the remake of A Nightmare on Elm Street, The Social Network and Trash.

In 2011, she 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 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. In 2015, she won the Best Actress Award at the 2015 Cannes Film Festival for her role in the film Carol, for which she has also received her second Academy Award nomination. More: