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.

Richard Widmarkas Capt. Adam Jones
Bella Darvias Denise Montel
Victor Francenas Prof. Montel
Cameron Mitchellas 'Ski' Brodski
Gene Evansas Chief Holter
David Wayneas Tugboat Walker
Stephen Bekassyas Neuman
Richard Looas Hakada Fujimori
Robert Adleras Welles (uncredited)
Eugene Bordenas French Reporter (uncredited)