演职人员
Steve Karnes
Gene Evans
Prof. James Bickford
安德烈·莫雷尔
Jean Trevethan
Leigh Madison
John
John Turner
Dr. C. A. Morris, the village doctor
Alastair Hunter
Senior Admiral, at the Admiralty
Lloyd Lamble
Dr. Sampson, the paleontologist
约翰·麦克高兰
Mini Submarine Officer
Maurice Kaufmann
Tom Trevethan
Henri Vidon
Photo Lab Aide
Patrick Jordan
Naval Commader, at the "Valkyrie" wreck (uncredited)
Howard Lang
Dialogue Scientist at Conference (bit)
Leonard Sachs
Scientist at Conference (uncredited)
Ernest Blyth
TV Newscaster (uncredited)
Neal Arden
Man Listening to Car Radio (uncredited)
Paul Beradi
PLA Radio Operator (uncredited)
Max Faulkner
Dr. Sampson's Helicopter Pilot (uncredited)
Neil Hallett
French Radio Officer (uncredited)
André Maranne
The Radar Operator, at the radar room (uncredited)
Derren Nesbitt
Naval Officer in Situation Room (uncredited)
Guy Standeven