During the Nazi occupation of Czechoslovakia, surgeon Dr. Franticek Svoboda, a Czech patriot, assassinates the brutal "Hangman of Europe", Reichsprotektor Reinhard Heydrich, and is wounded in the process. In his attempt to escape, he is helped by history professor Stephen Novotny and his daughter Mascha.
Brian Donlevy
as Dr. Franticek Svoboda
Walter Brennan
as Prof. Stephen Novotny
Anna Lee
as Masha Novotny
Gene Lockhart
as Emil Czaka
Dennis O'Keefe
as Jan Horak
Margaret Wycherly
as Ludmilla Novotny
Nana Bryant
as Mrs. Hellie Novotny
William Roy
as Boda Novotny
Hans Heinrich von Twardowski
as Reinhard Heydrich
Alexander Granach
as Gestapo Insp. Alois Gruber
Tonio Selwart
as Chief of Gestapo Kurt Haas
Jonathan Hale
as Dedic
