The crew of a submarine is trapped on the sea floor when it sinks. How can they be rescued before they run out of air?
as Lt. Cmdr. Armstrong
as Stoker Snipe
as Lt. Manson
as ERA Marks
as Cmdr. Gates
as Sub-Lt. Oakley
as Sub-Lt. J. McFee
as CPO Barlow
as Leading Seaman Brough
as Leading Seaman Andrews
as Leading Seaman Kelly
as Capt. Fenton
as Capt. Jenner
