Submarine X-1 1968

Synopsis:

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.

Directed by: William A. Graham
Written by: Guy Elmes & Donald S. Sanford
Runtime: 89 minutes
Tagline: Hell can be very cold…very wet…and very deep!
War
Cast:
James Caan
James Caan
Cmdr. Richard Bolton, RNVR 
David Sumner
David Sumner
Lt. Davies R.N.V.R 
Norman Bowler
Norman Bowler
Sub-Lt. Pennington, RN 
Paul Young
Paul Young
Leading Seaman Quentin 
Brian Grellis
Brian Grellis
CPO Barquist X 3 
William Dysart
William Dysart
Lt. Robert Talbot Gogan R.N.R.