
The U.S. submarine Anthony Wayne is underway for a top-secret mission. Onboard is a highly classified device that will give the Americans a decided nuclear advantage. The entire mission and the secret technology are threatened when the sub commander discovers his crew has been infiltrated by enemy agents. The commander is charged with trying to protect the device while ferreting out the enemy agents. Compounding matters is the state of the commander's physical and mental condition, which is being questioned by his crew.

as Admiral

as Lt. Dave Burston

as Skip Langley

as Comdr. Phil Kettenring

as Capt. Frank Reardon

as Orville Kelly

as Dr. Dykers

as Ens. William 'Bill' Sandover

as Donald Ellington

as CPO Corky Schmidt

as Second Karp (False Karp)

as Lt. Manners

as Lt. Benson

as Cab Driver

as Clarence W. "CW" Karp (First Karp)

as Radar Operator

as English Scientist

as Radio Operator

as Paine

as Mrs. Karp

as Shore Patrolman

as Sonarman

as Seaman