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