U-Boat Prisoner

Archie Gibbs

Kapitaen Ganz, The U-Boat Captain

Alfonse Lamont

Gunther Rudehoff, Gestapo Agent

Destroyer Commander Tom Bristol

Convoy Ship Commander (uncredited)

Benny, Seaman's Union Hall Man (uncredited)

Hans Braustig, Injured Sailor (uncredited)

C.P.O. Shaw (uncredited)