Fassbender, 47, had starred opposite Knightley in the 2011 film A Dangerous Method, about the relationship between psychoanalysts Carl Jung (Fassbender) and Sigmund Freud (played by Viggo Mortensen). Knightley, meanwhile, played Jung’s patient-turned-colleague Sabrina Spielrein. The three become embroiled in a love triangle.

Opening up about their raunchy 2011 movie, Michael Fassbender and Keira Knightley have joked about their spanking scenes in their film ‘A Dangerous Method’.

Keira Knightley has better reasons not to think about the "Pirates of the Caribbean" franchise than their association with Johnny Depp. With the release of the first film she was 18 and Knightley still remembers the pressure she faced with its success.