Natural or Supernatural?
Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.
Kenneth Tobey
Captain Patrick Hendry
Margaret Sheridan
Nikki
Robert Cornthwaite
Dr. Arthur Carrington
Douglas Spencer
Ned 'Scotty' Scott
James Young
Lt. Eddie Dykes
Dewey Martin
Crew Chief Bob
Robert Nichols
Lt. Ken 'Mac' Erickson
William Self
Corporal Barnes
Nicholas Byron
Tex Richards
Eduard Franz
Dr. Stern
George Fenneman
Dr. Redding
Paul Frees
Prof. Voorhees
