Dr. Bernard Adrian is a kindly mad scientist who seeks to cure a young woman's polio. He needs spinal fluid from a human to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage, and is terrorizing towns people. Strange things get even stranger. Starring Boris Karloff, Maris Wrixon, and Gene O'Donnell. Is it a gorilla, bigfoot or a mad scientist? A great retro-bigfoot-gorilla film!
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