A man in London tries to help a counter-espionage Agent. But when the Agent is killed, and the man stands accused, he must go on the run to save himself and stop a spy ring which is trying to steal top secret information.
Stars
Robert Donat
Madeleine Carroll
Lucie Mannheim
Godfrey Tearle
Peggy Ashcroft
John Laurie
Helen Haye
Frank Cellier
Alfred Hitchcock