Bernard Lee
Captain Dove - M.S. Africa Shell
George Murcell
Chief Officer, Newton Beach
Patrick Jordan
Signalman, Aft-Conning, HMS Exeter (uncredited)
Michael Goodliffe
Captain McCall, R.N., British Naval Attache, Buenos Aires
Jack Gwillim
Captain Parry - H.M.N. Z. S. Achilles
Michael Collins
Chief Yeoman, HMS Ajax (uncredited)
Patrick Macnee
Lieutenant Commander Medley, R.N.
Douglas Wilmer
M. Desmoulins, French Minister, Montevideo
Roger Delgado
Captain Varela, Uruguayan Navy
John Le Mesurier
Reverend George Groves - Padre, HMS Exeter
Cyril Luckham
Lieutenant Jasper Abbot, H.M.S. Achilles
Anthony Quayle
Commodore Harwood - H.M.S. Ajax
Peter Finch
Captain Langsdorff, "Admiral Graf Spee"
Howard Lang
Guns - HMS Exeter (uncredited)
Donald Moffat
Swanston - Lookout, HMS Ajax (uncredited)
Ian Hunter
Captain Woodhouse - H.M.S. Ajax
Paul Carpenter
American reporter in Uruguay (uncredited)
Anthony Newley
Radio Operator, Tairoa, Prisoner on Admiral Graf Spee
Brian Worth
Radio Operator, Doric Star, Prisoner on Graf Spee
Barry Foster
Bill Roper - Capt. Bell's Messenger, HMS Exeter
John Chandos
Dr. Langmann, German Minister, Montevideo
Jeremy Kemp
Gunner, HMS Achilles (uncredited)
Ambrosine Phillpotts
Mrs. Millington-Drake, Montevideo
Chris Adcock
British Seaman (Prisoner on Graf Spee) (uncredited)
Vincent Ball
Barnes - HMS Achilles (uncredited)
Patrick Westwood
Archer, HMS Ajax
Peter Illing
Dr. Guani, Foreign Minister, Uruguay
Andrew Cruickshank
Captain Stubbs, 'Doric Star'
Nigel Stock
Chief Officer, Tairoa, Prisoner on Admiral Graf Spee
Richard Beale
Capt. Pottinger (uncredited)
Anthony Bushell
Sir Millington Drake, British Minister, Montevideo
John Forbes-Robertson
Lt. McBarnett, HMS Exeter (uncredited)
John Gregson
Captain Bell - H.M.S. Exeter
Tony Wager
Lookout, HMS Ajax
