深渊巨兽

Gene Evans

Steve Karnes

安德烈·莫雷尔

Prof. James Bickford

Leigh Madison

Jean Trevethan

John Turner

John

Alastair Hunter

Dr. C. A. Morris, the village doctor

Lloyd Lamble

Senior Admiral, at the Admiralty

约翰·麦克高兰

Dr. Sampson, the paleontologist

Maurice Kaufmann

Mini Submarine Officer

Henri Vidon

Tom Trevethan

Patrick Jordan

Photo Lab Aide

Howard Lang

Naval Commader, at the "Valkyrie" wreck (uncredited)

Leonard Sachs

Dialogue Scientist at Conference (bit)