Czech actor Jan Werich (Jan Werich) was the first person to play the big villain Belofor, and was also the actor selected by producer Salzman, but the other producer Bro Currie and director Gilbert both He thinks that his image is really far from the role, too kind and good-looking, not suitable for acting as a villain. After shooting a few sets of shots, Brockori and Gilbert believed that Willitch could not show the image of a villainous villain, and that Jane Willitch was unwell during the shooting, so the producer replaced him with Donald Pleasence.
たんばてつろうwas given the role of Tanaka for appearing in Gilbert's "The Storm Is Waiting for Dawn" . The ninja led by Tanaka is played by many martial artists, and Japanese ninjutsu master Masaaki Hatsumi serves as the technical consultant for the film. Looking for Japanese actresses is quite a headache for the producers, because most Japanese actresses do not understand English. Akiko Wakabayashi and Brigitte Bardot were elected not only because of their beauty, but also because of their English training in the UK.
