
Natural or Supernatural?
Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.
Kenneth TobeyCaptain Patrick Hendry
Margaret SheridanNikki
Robert CornthwaiteDr. Arthur Carrington
Douglas SpencerNed 'Scotty' Scott
James YoungLt. Eddie Dykes
Dewey MartinCrew Chief Bob
Robert NicholsLt. Ken 'Mac' EricksonWilliam SelfCorporal BarnesNicholas ByronTex Richards
Eduard FranzDr. SternGeorge FennemanDr. Redding
Paul FreesProf. Voorhees
Everett GlassProf. Wilson
Norbert SchillerDr. Lorenz
Edmund BreonProf. Ambrose