Watch Full movie: The 39 Steps (1935) Online Free.
A man in London tries to help a counterespionage agent. But when the agent is killed and he stands accused, he must go on the run to both save himself and also stop a spy ring trying to steal top secret information.
Director: Alfred Hitchcock
Writers: John Buchan (adapted from the novel by), Charles Bennett (adaptation)
Stars: Robert Donat, Madeleine Carroll and Lucie Mannheim