Trailer
Cast
André Morell
Prof. James Bickford
Patrick Jordan
Photo Lab Aide
Guy Standeven
Naval Officer in Situation Room (uncredited)
Lloyd Lamble
Senior Admiral, at the Admiralty
Maurice Kaufmann
Mini Submarine Officer
Henri Vidon
Tom Trevethan
André Maranne
French Radio Officer (uncredited)
Leigh Madison
Jean Trevethan
John Turner
John
Neil Hallett
Dr. Sampson's Helicopter Pilot (uncredited)
Derren Nesbitt
The Radar Operator, at the radar room (uncredited)
Gene Evans
Steve Karnes
Alastair Hunter
Dr. C. A. Morris, the village doctor
Jack MacGowran
Dr. Sampson, the paleontologist
Leonard Sachs
Dialogue Scientist at Conference (bit)
Max Faulkner
PLA Radio Operator (uncredited)