Lieutenant Braden discovers that Sally, the woman he's been falling in love with, has actually been checking out his qualifications to be a U.S. Navy frogman. He must put his personal life behind him after being assigned to be smuggled into a Japanese-held island via submarine to photograph radio codes.
James Garner
Lt. J. G. Kenneth M. Braden
Edmond O'Brien
Commander Paul Stevenson
Andra Martin
Sally Johnson
Alan Hale Jr.
Lt. Pat Malone
Carleton Carpenter
Lt. Phil Carney
Frank Gifford
Ensign Cy Mount
William Leslie
Lt. Doherty
Richard Bakalyan
Seaman Peck
