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
Walter Brennan
Anna Lee
Gene Lockhart
Dennis O'Keefe
Margaret Wycherly
Nana Bryant
William Roy
Hans Heinrich von Twardowski
Alexander Granach
Tonio Selwart
Jonathan Hale
Lionel Stander
Sarah Padden
Edmund MacDonald
Byron Foulger
Virginia Farmer
Ludwig Donath
George Irving
James Bush
Arno Frey
Lester Sharpe
Arthur Loft
Reinhold Schünzel
Chester Conklin
Claire McDowell
John Abbott
Louis Adlon
Erville Alderson
Richard Alexander
Dwight Frye
Ralph Dunn
Bud Jamison
Philip Van Zandt
Sam Harris