Czechoslovakia, March 1939, on the eve of World War II. As the German invaders occupy Prague, inventor Axel Bomasch manages to flee and reach England; but those who need to put his knowledge at the service of the Nazi war machine, in order to carry out their evil plans of destruction, will stop at nothing to capture him.
Margaret Lockwood
Anna Bomasch
Rex Harrison
Gus Bennett
Paul Henreid
Karl Marsen
Basil Radford
Charters
Naunton Wayne
Caldicott
James Harcourt
Axel Bomasch
Felix Aylmer
Dr. Fredericks
Wyndham Goldie
Dryton
