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