Police battle against a gang of blackmailers known as The Crimson Circle.

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Main Cast: Lya Mara, Fred Louis Lerch, Stewart Rome, Albert Steinrück, John Castle, Otto Wallburg, Hans Albers, Hans Marlow, Otto Treßler, Ilka Grüning

Director: Frederic Zelnik

Writers: Fanny Carlsen, Howard Caye

Editor:

Cinematographers: Frederik Fuglsang, Leslie Rowson

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