Brian Donlevy
Dr. Franticek Svoboda
Walter Brennan
Prof. Stephen Novotny
Margaret Wycherly
Ludmilla Novotny
Nana Bryant
Mrs. Hellie Novotny
Hans Heinrich von Twardowski
Reinhard Heydrich
Alexander Granach
Gestapo Insp. Alois Gruber
Tonio Selwart
Chief of Gestapo Kurt Haas
Sarah Padden
Mrs. Georgia Dvorak
Edmund MacDonald
Dr. Pillar
Virginia Farmer
Mrs. Nimitz
Arno Frey
Camp Lieutenant Itnut
Reinhold Schünzel
Gestapo Insp. Ritter
Chester Conklin
Cook (uncredited)
Claire McDowell
Counterwoman (uncredited)
John Abbott
Hostage (scenes deleted)
Louis Adlon
Adjutant (uncredited)
Erville Alderson
Liberal Official (uncredited)
Richard Alexander
Slugger in Theater (uncredited)
Ralph Dunn
Czech Policeman (uncredited)
Bud Jamison
Fat Man (uncredited)
Philip Van Zandt
Officer (uncredited)
Sam Harris
Man at Briefing (uncredited)
