Brian Donlevy character Dr. Franticek Svoboda
Walter Brennan character Prof. Stephen Novotny
Anna Lee character Masha Novotny
Gene Lockhart character Emil Czaka
Hans Heinrich von Twardowski character Reinhard Heydrich
Nana Bryant character Mrs. Hellie Novotny
Margaret Wycherly character Ludmilla Novotny
Dennis O'Keefe character Jan Horak
Tonio Selwart character Chief of Gestapo Kurt Haas
Alexander Granach character Gestapo Insp. Alois Gruber
Reinhold Schünzel character Gestapo Insp. Ritter
Ludwig Donath character Schirmer
Arno Frey character Camp Lieutenant Itnut
Sarah Padden character Mrs. Georgia Dvorak
Jonathan Hale character Dedic
Lionel Stander character Banya
Chester Conklin character Cook (uncredited)
Claire McDowell character Counterwoman (uncredited)
William Roy character Boda Novotny
Edmund MacDonald character Dr. Pillar
Byron Foulger character Bartos
Virginia Farmer character Mrs. Nimitz
George Irving character Neeval
James Bush character Peacock
Lester Sharpe character Rudy
Arthur Loft character Gen. Votruba
John Abbott character Hostage (scenes deleted)
Louis Adlon character Adjutant (uncredited)
Erville Alderson character Liberal Official (uncredited)
Richard Alexander character Slugger in Theater (uncredited)
