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.
Lt. J. G. Kenneth M. Braden
James Garner
Commander Paul Stevenson
Edmond O'Brien
Sally Johnson
Andra Martin
Lt. Pat Malone
Alan Hale Jr.
Lt. Phil Carney
Carleton Carpenter
Ensign Cy Mount
Frank Gifford
Lt. Doherty
William Leslie
Seaman Peck
Richard Bakalyan
Pharmacist Mate Ash
Edd Byrnes
Seaman Floyd
Sean Garrison
Chief Petty Officer York
Henry Kulky
Seaman Kovacs
Warren Oates
Japanese (uncredited)
Clifford Kawada
Gruber (uncredited)
Frank Watkins
Jukebox Girl
Peggy Moffitt
Seaman Weary
Bernie Hamilton