First CinemaScope picture, in which Germany was involved. The first horizontal CinemaScope editing table, the Steenbeck ST 500, was developed on request of the Bavaria Studios for the post production of this movie.
In "The Red and the Blacklist" by Norma Barzman, the writer's widow, she describes this film as one of his first jobs in Europe after he was blacklisted in Hollywood. Barzman took a reportedly awful, unsaleable film, and salvaged it for the producers by writing English dialog to be dubbed into what was totally unrelated to the film's original story - like "What's Up, Tiger Lily?" without the jokes.