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