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