George Sanders
Gen. Armstrong
Cast (12)
Maurice Evans
Dr. Matthews / Alien
Patrick Allen
Bob Megan
Neil Connery
Jim Radford
Robert Flemyng
W.C. Baldwin
Pamela Conway
Lorna
Allan Cuthbertson
Hindsmith
Michael Culver
Lt. Bailes
Sally Faulkner
Joanna
Shelagh Fraser
Mrs. Thatcher
Hilary Dwyer
Julie Slade
Dennis Chinnery
Control Officer
Crew (10)
Gerry Levy
Director
Michael St. Clair
Writer
Gerry Levy
Additional Writing
Tony Tenser
Producer
Reg Tilsley
Original Music Composer
John Coquillon
Director of Photography
Howard Lanning
Editor
C. Wilfred Arnold
Art Direction
John Workman
Production Manager
John Workman
Assistant Director