Peter Sallis
— Corporal Foster
Peter Barkworth
— Lt. Shirley
Michael Bates
— Captain Alan Gerald
Newton Blick
— Fisherman
Allan Cuthbertson
— Billy
Miriam Karlin
— Hilda Thwaite
Roger Livesey
— Captain Daniel Thwaite
Doria Noar
— Agnes
Richard Pearson
— Frederick Elwes
Frederick Piper
— Spanish
Philip Ray
— Uncle O'Hara
Robert Sansom
— Commanding Officer
Peter Wigsell
— Sentry