The film depicts an account of Allied Combined Operations Headquarters commandos executing a daring raid on the German-occupied French coast during the Second World War. The story is based on the commando raid on the French port of St. Nazaire.
as Maj. James Wilson
as Capt. Owen Franklin
as Sue Wilson
as Lt. Cmdr. Donald Kimberly
as Rear Adm. Sir Frederick Grafton
as Forrester
as Lt. Graham
as Van Horst