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?
Dr. Bernard Adrian
Frances Clifford
Danny Foster
Mother Clifford
Sheriff Jeff Halliday
Dr. McNulty
Jane the Housekeeper
Mrs. Brill
Short Mustached Posse Man
Quinn
Mr. Howley
Nabu
Young Girl
Mrs. Mason
Posse Member
Townswoman
Ape Trainer
Boy in Soda Shop
Dep. Archie Tomlin
Citizen Carrying Mauled Ape Trainer
Henry Mason
Willie Brill
Townswoman
