Gene Raymond
— Steve Roark
Sigrid Gurie
— Linda Carlsen
Patricia Morison
— Magda Onescu
Миша Ауэр
— Ali Imagu
John Wengraf
— Peter Goltzen
George Baxter
— James Braden
Charles Rooner
— Dr. Stoyan
Fernando Wagner
— Dr. Erik Viertel
Luz Alba
— Ana Sokolova
Egon Zappert
— Marow--Sokolova's Henchman
Hamil Petroff
— Dmitri--Bell Captain
Peter O'Crotty
— Brother Johannes