"Hell can be very cold…very wet…and very deep!"
After losing a submarine and fifty crew in a battle with a German ship during WWII, a Royal Navy officer gets a second chance in a daring raid with midget subs.
Cmdr. Richard Bolton, RNVR

Lt. Davies R.N.V.R

Sub-Lt. Pennington, RN

Leading Seaman Quentin

CPO Barquist X 3

Lt. Robert Talbot Gogan R.N.R.

Sub-Lt. Keith Willis, RNVR

CPO Boker Knowles

CPO Norman Kennedy

Leading Seaman X-2
Leading Seaman X-1

Capt. Erlich of the 'Lindendorf'

Vice Admiral Redmayne (uncredited)

Sub. Lt. X-3
