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
as Lt. J. G. Kenneth M. Braden

Edmond O'Brien
as Commander Paul Stevenson

Andra Martin
as Sally Johnson

Alan Hale Jr.
as Lt. Pat Malone

Carleton Carpenter
as Lt. Phil Carney

Frank Gifford
as Ensign Cy Mount

William Leslie
as Lt. Doherty

Richard Bakalyan
as Seaman Peck

Edd Byrnes
as Pharmacist Mate Ash

Sean Garrison
as Seaman Floyd
John Chard
Up Periscope and Down Tools. Tricky. It's a decent film, lovely to look at with its scope photography and technicolor palettes, James Garner and Edmond O'Brien are holding court in the acting stakes, and of course this being a submarine war film it has the requisite claustrophobic feel. Yet it ne...
CinemaSerf
As a kid, I always loved submarine films. As a weapon of war, they aways provided a great vehicle for an adventure - great atmosphere, murky depths and torpedos that seemed very rarely to hit what they were aimed at! Best of all, though, there was positively no room at sea, on the boat, for any slus...