In 1942, a young paratrooper in the RAF returns to Czechoslovakia to encourage his fellow countrymen to sabotage the German war effort.

Patricia Morison
as Jarmilla Hanka

John Carradine
as Reinhardt Heydrich

Alan Curtis
as Karel Vavra

Howard Freeman
as Heinrich Himmler

Ralph Morgan
as Jan Hanka

Edgar Kennedy
as Nepomuk - the Hermit

Ludwig Stössel
as Herman Bauer, bugomaster

Al Shean
as Father Cemlanek

Elizabeth Russell
as Maria Bartonek - Anton's Wife

Jimmy Conlin
as Dvorak - the Shopkeeper