Country:United States, 62 minutes
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.
Boris Karloff (as Dr. Bernard Adrian), Ray Corrigan (as Nabu the Gorilla), Maris Wrixon (as Miss Frances Clifford), Dorothy Vaughan (as Mother Clifford), Gertrude Hoffman (as Jane - Adrian's Housekeeper (as Gertrude W. Hoffman))
Aspect ratio: 4:3