During World War II, Captain Cassidy and his crew of submariners are ordered into Tokyo Bay on a secret mission. They are to gather information in advance of the planned bombing of Tokyo. Along the way, the crew learn about each other as they face the enemy and some of them lose their lives.
Cary Grant
as Captain Cassidy
John Garfield
as Wolf
Alan Hale
as 'Cookie' Wainwright
John Ridgely
as Reserve Officer Raymond
Dane Clark
as Tin Can
Warner Anderson
as Andy
William Prince
as Pills
Robert Hutton
as Tommy Adams
Tom Tully
as Mike Conners
Faye Emerson
as Mrs. Cassidy
Peter Whitney
as Dakota
Warren Douglas
as Larry
