With Francine Stock. Batman star Michael Keaton discusses the similarities between his career and that of his character in Birdman, an actor making a come-back after finding fame playing a winged super-hero. Director James Marsh reveals what Stephen Hawking really thought of his bio-pic The Theory Of Everything. Enemy, in which Jake Gyllenhaal plays a man haunted by his doppelganger, is the second movie released in the last 12 months about doubles. The other, The Double, was based on a story by Dostoevsky and directed by Richard Ayoade, who explains the technical difficulties of getting an actor to talk to himself.