"The motorcycle was the thing I really didn't want to do... 'You're going to be raped, be naked...' but as soon as he was like, 'You're going to have to ride a motorcycle,' I was like, 'Oh, really?'" Actress Rooney Mara on her fears about playing tough girl outcast Lisbeth Salander in director David Fincher's The Girl With the Dragon Tattoo remake.