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