In the early years of the World War II, the Royal Navy is fighting a desperate battle to keep the Atlantic convoy routes open to supply the British Isles, facing the great danger posed by the many German warships, such as the Admiral Graf Spee, which are scouring the ocean for cargo ships to sink.
as Captain Bell - H.M.S. Exeter
as Commodore Harwood - H.M.S. Ajax
as Captain Woodhouse - H.M.S. Ajax
as Captain Parry - H.M.N. Z. S. Achilles
as Captain Dove - M.S. Africa Shell
as Mike Fowler
as Sir Millington Drake, British Minister, Montevideo
as Dr. Guani, Foreign Minister, Uruguay
as Captain McCall, R.N., British Naval Attache, Buenos Aires
as Lieutenant Commander Medley, R.N.
as Dr. Langmann, German Minister, Montevideo
as M. Desmoulins, French Minister, Montevideo
as Ray Martin
as Captain Varela, Uruguayan Navy
as Captain Stubbs, 'Doric Star'
as Manolo
as Pop
as Dolores
as Captain Langsdorff, "Admiral Graf Spee"
as Narrator
as Gunner, H.M.S. Achilles (uncredited)
as Reverend George Groves - Padre, HMS Exeter
as Lieutenant Jasper Abbot, H.M.S. Achilles
as Swanston, Lookout, H.M.S. Ajax (uncredited)
as Chief Officer, Newton Beach
as Radio Operator, Tairoa, Prisoner on Admiral Graf Spee
as Chief Officer, Tairoa, Prisoner on Admiral Graf Spee
as Bill Roper - Capt. Bell's Messenger, HMS Exeter
as Mrs. Millington-Drake, Montevideo
as Lookout, HMS Ajax
as Radio Operator, Doric Star, Prisoner on Graf Spee
as Archer, HMS Ajax
as British Seaman (Prisoner on Graf Spee) (uncredited)
as Chief Yeoman, HMS Ajax (uncredited)
as Signalman, Aft-Conning, HMS Exeter (uncredited)
as Gunner, HMS Achilles (uncredited)
as Swanston - Lookout, HMS Ajax (uncredited)
as Lieutenant, Graf Spee (uncredited)
as Capt. Pottinger (uncredited)
as Lt. McBarnett, HMS Exeter (uncredited)