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Loosely based on the Edgar Wallace tale Dark Eyes of London, this German production is not a monster movie as its title implies, but a lame crime thriller involving a sadistic gang who call themselves "The Gorillas." The psychotic killers stalk the streets of London, murdering visitors and other unfortunates with some of the weirdest, most contrived torture-execution devices outside of a Fu Manchu movie. The gang's leader is basically the "Ape Creature" of the title, since he prefers to participate in the sadistic mayhem while sporting an ape suit. His efforts are foiled, however, by a Scotland Yard super-sleuth named Sergeant Pepper (Lonely Hearts Club Band not included). Released to the U.S. as The Gorilla Gang.