Keira Knightley to star in dramedy film Misbehaviour According to The Hollywood Reporter, Academy Award nominated actress Keira Knightley (Pirates of the Caribbean franchise, The Imitation Game) has signed on to star in Left Bank Pictures and Pathe’s forthcoming comedy drama film Misbehaviour. In addition to Knightley, Black Mirror actress Gugu Mbatha-Raw and Jessie Buckley (Wild Rose) have also been cast in the feature film. Misbehaviour will be based on the real-life story of the 1970 Miss World competition, which was then the most-watched TV show on the planet with more than 100 million viewers.