B Movie Fan Club presents giant spiders, huge mutated lizards and the most bestial of threats - the Cyclops!
When a beautiful, young woman (Gloria Talbott) hires a soldier of fortune (James Craig) for a rescue expedition to Mexico in search of her fiancé, she never imagines the horrors she they will face in a remote jungle valley rich in uranium deposits. But their encounter with horribly mutated animals soon turns a rescue mission into a fight for their own survival! Also starring Lon Chaney Jr.
"For undiscriminating audiences.” Variety
