Behemoth, the Sea Monster

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

Douglas Hickox Director Desmond Davis Camera Operator Eugène Lourié Screenplay, Director, Production Design Willis H. O'Brien Special Effects, Visual Effects