| Starring |
| John Gregson | ... Capt. Bell -- H.M.S. Exeter |
| Anthony Quayle | ... Commodore Harwood -- H.M.S. Ajax |
|
| Ian Hunter | ... Captain Woodhouse -- H.M.S. Ajax |
| Jack Gwillim | ... Capt. Parry -- H.M.N.Z.S. Achilles |
| Bernard Lee | ... Capt. Dove -- M.S. Africa Shell |
|
| H.M.S. Sheffield | ... H.M.S. Ajax |
| I.N.S. Delhi (formerly Achilles) | ... H.M.N.Z.S. Achilles |
| H.M.S. Jamaica | ... H.M.S. Exeter |
| H.M.S. Cumberland | ... H.M.S. Cumberland |
|
| and |
| U.S.S. Salem | ... The Admiral Graf Spee |
|
| with |
| Lionel Murton | ... Mike Fowler |
| Anthony Bushell | ... Mr. Millington Drake -- British Minister, Montevideo |
| Peter Illing | ... Dr. Guani -- Foreign Minister, Uruguay |
| Michael Goodliffe | ... Capt. McCall -- R.N. Attache, Buenos Aires |
|
| Patrick Macnee | ... Lt. Cmdr. Medley -- R.N. |
| John Chandos | ... Dr. Langmann -- German Minister, Montevideo |
| Douglas Wilmer | ... M. Desmoulins -- French Minister, Montevideo |
| William Squire | ... Ray Martin |
| Roger Delgado | ... Capt. Varela -- Uruguayan Navy |
| Andrew Cruickshank | ... Capt. Stubbs -- Doric Star |
| Christopher Lee | ... Manolo |
| Edward Atienza | ... Pop |
| April Olrich | ... Dolores |
|
| and |
| Peter Finch | ... Capt. Langsdorff -- Admiral Graf Spee |
