The Silent Enemy 1958

Synopsis:

The Mediterranean, 1941/42 - Axis forces are using frogmen and manned torpedoes to attack previously impregnable harbours. The Allied forces need to come up with something to answer this threat, which they find in the form of Lt. Lionel "Buster" Crabb.

Directed by: William Fairchild
Written by: William Fairchild
Runtime: 112 minutes
Tagline: Human Torpedoes vs. Battleships!
Cast:
Laurence Harvey
Laurence Harvey
Lieutenant "Buster" Crabb, R.N.V.R. 
Michael Craig
Michael Craig
Leading Seaman Knowles 
Dawn Addams
Dawn Addams
Third Officer Jill Masters, W.R.N.S 
John Clements
John Clements
The Admiral 
Sid James
Sid James
Chief Petty Officer Thorpe 
Alec McCowen
Alec McCowen
Able Seaman Morgan