Keira Knightly attends the UK Gala Premiere of “A Dangerous Method” at The Mayfair Hotel on January 31, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

(L-R) Michael Fassbender, Keira Knightley and Viggo Mortensen attend the UK gala premiere of “A Dangerous Method” at The Mayfair Hotel on January 31, 2012 in London, England. (Photo by Dave Hogan/Getty Images)