M. Butterfly is a 1993 romantic drama film directed by David Cronenberg. The screenplay was written by David Henry Hwang based on his play of the same name. The film stars Jeremy Irons and John Lone, with Ian Richardson, Barbara Sukowa, and Annabel Leventon. One theme of the film (as with the play) is Orientalist stereotypes, but Cronenberg removed many of the political overtones from the story in order to focus more intensely on the relationship between Gallimard and Song. A key line in the film is "Only a man knows how a woman is supposed to act."