Hayes wrote a book on his experiences, "Midnight Express", which was later adapted into the 1978 film of the same name starring Brad Davis as Hayes. The film was directed by Alan Parker, with a screenplay by Oliver Stone. The movie differs from Hayes' account in his book. Among the differences is a scene in which Hayes kills the prison guard Hamidou 'the Bear' (portrayed by Paul L. Smith), the main antagonist of the story. In fact, the prison guard was killed in 1973 by a recently released prisoner, whose family Hamidou had insulted while beating the prisoner, years before Hayes' actual escape.