 | Kenneth More Captain Jonathan Shepard |
 | Dana Wynter Second Officer Anne Davis, WRENS |
 | Carl Möhner Kapitän zur See Ernst Lindemann, Bismarck |
 | Laurence Naismith Admiral of the Fleet Sir Dudley Pound, First Sea Lord |
 | Geoffrey Keen Assistant Chief of Naval Staff |
 | Karel Stepanek Admiral Günther Lutjens |
 | Michael Hordern Admiral Jack Tovey CB DSO, Commander-in-Chief, Home Fleet, aboard HMS King George V |
 | Maurice Denham Commander Richards |
 | Michael Goodliffe Captain Banister |
 | Esmond Knight Captain John Leach, Commanding HMS Prince of Wales |
 | Jack Watling Signals Officer |
 | Jack Gwillim Commodore Wilfred Patterson CVO, Commanding HMS King George V |
 | Mark Dignam Captain Loben Maund, Commanding HMS Ark Royal |
 | Ernest Clark Captain Robert Ellis, Commanding HMS Suffolk |
 | John Horsley Captain Charles Larcom, Commanding HMS Sheffield |
 | Peter Burton Captain - First Destroyer (HMS Solent) |
 | Sydney Tafler Henry, First Workman |
 | John Stuart Captain Ralph Kerr CBE, HMS Hood |
 | Walter Hudd Vice Admiral Lancelot Holland CB - HMS Hood |
 | Sean Barrett Able Seaman Brown |
 | Edward R. Murrow Himself |
 | Michael Balfour Able Seaman, Lookout, HMS Suffolk |
 | John Barron Officer in P.R.O. |
 | Richard Beale Petty Officer in Phone Montage |
 | Victor Beaumont Officer, Bismarck |
 | Michael Beint Leutnant zur See Lothar Balzer, Junior Meteorolgical Officer, Bismarck |
 | Brandon Brady Signals Officer, HMS Ark Royal |
 | Johnny Briggs Seaman, HMS Prince of Wales |
 | Robert Brown Gunnery Officer, HMS King George V |
 | Mark Burns Naval Rating in Phone Montage |
 | Max Butterfield Dark Room Technician |
 | Peter Cellier First Lieutenant on Destroyer |
 | Donald Churchill Seaman, HMS Ark Royal |
 | Michael Collins Lookout, Second Destroyer |
 | Eric Corrie Pilot, RAF operations room |
 | Robert Desmond Dexter |
 | Peter Dyneley Jenkins, HMS King George V |
 | Clifford Elkin Pilot, RAF operations room |
 | John Flint Pilot, RAF operations room |
 | Tom Gill Master of the Fleet, HMS King George V |
 | Harold Goodwin Airman in Phone Montage |
 | Walter Gotell Mueller, Officer on Bismarck |
 | Kathryn Greenaway Miss Jackson, WRENS, War Room, Admiralty |
 | Cameron Hall Civilian Worker on HMS Prince of Wales |
 | John G. Heller Becker, Officer on Bismarck |
 | David Hemmings Airman, Ark Royal |
 | Ian Hendry Meteorological Officer, HMS King George V |
 | Ronald Hines Officer on Bridge, HMS Prince of Wales |
 | Alfred Hoffman quartermaster, Bismarck |
 | Charles Houston Airman, Ark Royal |
 | Glyn Houston Seaman, HMS Prince of Wales |
 | Norman Johns Pilot, RAF operations room |
 | Patrick Jordan Agent in Norway |
 | Edward Judd Navigating Officer, HMS Prince of Wales |
 | Sam Kydd Civilian Worker on HMS Prince of Wales |
 | Hugh Latimer Commander, War Room, Admiralty |
 | Ronald Leigh-Hunt Somers, Officer on HMS King George V |
 | Harry Locke |
 | Sean Lynch Mail Clerk, HMS Ark Royal |
 | Barry MacGregor Midshipman, HMS Prince of Wales |
 | Victor Maddern Able Seaman, Final Scene |
 | Hugh Moxey Captain, Second Destroyer |
 | Russell Napier Air Vice Marshal |
 | Anthony Oliver Operations Officer, HMS Ark Royal |
 | Olaf Pooley Officer of the Watch, HMS Sheffield |
 | George Pravda Damage Control Officer, Bismarck |
 | Robin Ray RAF officer taking in reports |
 | Michael Ripper Able Seaman, Lookout, HMS Suffolk |
 | George Roubicek Hoffman, Sailor on Bismarck |
 | Michael Sarne Extra |
 | Frederick Schiller Damage Control Officer, Bismarck |
 | Norman Shelley Voice of Winston Churchill |
 | Julian Somers Civilian Worker on HMS Prince of Wales |
 | Graham Stark Petty Officer Williams |
 | Gordon Sterne German Officer |
 | John Stride Tom Shepard - Ark Royal Air Gunner |
 | Donald Tandy Air Commodore in Phone Montage |
 | Jack Taylor Undetermined Role |
 | Peter Taylor Korvettenkapitan Adalbert Schneider artillery officer, Bismarck |
 | Reg Thomason Officer, HMS Sheffield |
 | Noel Trevarthen Pilot, RAF operations room |
 | Ernst Walder German rating, Bismarck |
 | John H. Watson Officer on HMS King George V |
 | Peter Wayn Signalman, HMS Prince of Wales |
 | Ian Whittaker Able Seaman, Final Scene |
 | Brian Worth Officer, First Destroyer (HMS Solent) |
 | Robert Rietty Voice: Kapitän Lindemann (uncredited) |