 | Kenneth More | | Captain Jonathan Shepard |
| Dana Wynter | | Second Officer Anne Davis |
| Carl Möhner | | Kapitän Ernst Lindemann |
| Laurence Naismith | | First Sea Lord - Sir Dudley Pound - Admiral of the Fleet |
| Geoffrey Keen | | Assistant Chief of Naval Staff |
| Karel Stepanek | | Admiral Günther Lutjens |
| Michael Hordern | | Admiral Jack Tovey - Commander in Chief - HMS King George V |
| Maurice Denham | | Commander Richards |
| Michael Goodliffe | | Captain Banister |
| Esmond Knight | | Captain John Leech - HMS Prince of Wales |
| Jack Watling | | Signals Officer |
| Jack Gwillim | | Commodore Wilfrid Patterson - HMS King George V |
| Mark Dignam | | Captain Loben Mound - HMS Ark Royal |
| Ernest Clark | | Captain Robert Ellis - HMS Suffolk |
| John Horsley | | Captain Charles Larcom - HMS Sheffield |
| Peter Burton | | Captain - HMS Solent - First Destroyer |
| Sydney Tafler | | Henry - First Workman |
| John Stuart | | Captain Ralph Kerr - HMS Hood |
| Walter Hudd | | Admiral Lancelot Holland - HMS Hood |
| Sean Barrett | | Able Seaman Brown |
| Edward R. Murrow | | Edward R. Murrow |
| Robert Arnold | | Fighter Pilot |
| Peter Avella | | Bridge Officer [HMS Solent] |
| John Bailey | | Naval Officer |
| Del Baker | | Guard |
| Michael Balfour | | Able Seaman - Lookout on 'Suffolk' |
| John Barron | | Officer P.R.O. |
| Richard Beale | | Petty Officer in Phone Montage |
| Victor Beaumont | | Officer on the 'Bismarck' |
| Josef Behrmann | | German Newsreader |
| Michael Beint | | Lothar Balzar - Leutnant zur See |
| Brandon Brady | | Signal Officer on the 'Ark Royal' |
| Johnny Briggs | | Young Seaman on 'Prince of Wales' |
| Anthony Brothers | | A naval officer |
| Robert Brown | | Gunnery Officer on 'King George V' |
| Robert Bruce | | Officer - RAF Operations Room |
| Mark Burns | | Naval Rating in Phone Montage |
| Max Butterfield | | Dark Room Technician |
| Dennis Carnell | | Bridge Officer [HMS King George V] |
| Roy Castle | | Seaman on 'Prince of Wales' |
