Paul Johnson
Nadine Story
Harry Sherbourne
Frederick W. Rochelle
Jeremy Perrin
Joe Piper
Davanna Woman
Simmons
Waitress
Desk Sergeant
Joanne
Speciman
Teenage Necker
Lead Bum (uncredited)
Davanna Contact (uncredited)
Somewhere in this world stalks a thing that is...
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.
