Richard George (Kommandant Bernsdorff)
Eric Portman (Lieutenant Hirth)
Raymond Lovell (Lieutenant Kuhnecke)
Niall MacGinnis (Vogel)
Laurence Olivier (Johnnie - the Trapper)
Finlay Currie (The Factor)
A Nazi U-boat attempts to sneak up on a small Canadian village. They are spotted and destroyed by bomber planes, but not before six men escape to the shore. These men now have to find a way to get back home without being captured.