An alien from planet Davanna, whose population has developed a terminal blood disease caused by nuclear radiation, is sent to Earth to acquire fresh human blood for his people.

"Somewhere in this world stalks a thing that is..."

Credits

Roger CormanDirector

Paul BirchPaul Johnson

Beverly GarlandNadine Story

Morgan JonesHarry Sherbourne

William RoerickFrederick W. Rochelle