A man in London tries to help a counterespionage agent. But when the agent is killed and the man stands accused, he must go on the run to both save himself and also stop a spy ring which is trying to steal top secret information.

Director:

 Alfred Hitchcock

Writers:

 John Buchan (adapted from the novel by), Charles Bennett (adaptation), 1 more credit »

Stars:

 Robert Donat, Madeleine Carroll, Lucie Mannheim - via IMDB

https://archive.org/details/The39Steps-Vost-fr