A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.

• 20th Century Fox
• Richard Widmark
• Bella Darvi
• Victor Francen
• Cameron Mitchell
• Gene Evans
• David Wayne
• Stephen Bekassy
• Richard Loo