For his first command in the Pacific war a by-the-book officer is ordered to take his submarine on a reconnaissance mission to locate a fleet of Japanese fighting ships the Allies have lost track of. At first, the rest of the crew resent his distant manner and the way he keeps avoiding taking on the Japs.
John Bentley
as Lt. Cmdr. Paul Turner
Brett Halsey
as Lt. (J. G.) David Shore
Wayne Heffley
as Cmdr. Dean Stoker
Steve Mitchell
as CPO Andy Flowers
Frank Watkins
as Bearded Sonar Man
Marilyn Hanold
as Nancy
Paul Maxwell
as Lt. Cmdr. Bill Hallohan
Nicky Blair
as Sam
Frank Gerstle
as Capt. Boardman
Jan Brooks
as Mrs. Ellen Turner