 | 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) |