A British convoy is trying to elude a group of German U-Boats.
Director
C.M. Pennington-Richards
Edward Judd
Lt. Cmdr. Tarlton
James Robertson Justice
RAdm. Rainbird
Laurence Payne
Lt. Seaton
Joachim Fuchsberger
Cmdr. Scheffler
Albert Lieven
Capt. Neymarck
Richard Carpenter
Lt. Haskins
Nigel Green
Chief ERA Lovejoy