A British military paratrooper disappears in mid-air during a jump from an army plane. Two investigators, Patrick Allen and Neil Connery, try to unravel how this happened. What they uncover is an alien plot to steal the bodies of earthlings by snatching them out of the air.
as Gen. Armstrong
as Dr. Matthews / Alien
as Bob Megan
as Jim Radford
as W.C. Baldwin
as Lorna
as Hindsmith
as Lt. Bailes
as Joanna
as Mrs. Thatcher
as Julie Slade
as Control Officer