Dr. Bernard Adrian is a kindly scientist who seeks to cure a young woman's polio. He needs human spinal fluid to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage, and is terrorizing the townspeople. Can there be a connection?
Boris Karloff
Dr. Bernard Adrian
Maris Wrixon
Frances Clifford
Gene O'Donnell
Danny Foster
Dorothy Vaughan
Mother Clifford
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September 30, 1940
1h 2m
4.8
William Nigh
Curt Siodmak, Richard Carroll
Monogram Pictures
US
Henry Hall
Sheriff Jeff Halliday
Selmer Jackson
Dr. McNulty
Gertrude Hoffmann
Jane the Housekeeper
Jessie Arnold
Mrs. Brill
Billy Bletcher
Short Mustached Posse Man
Harry C. Bradley
Quinn
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