Kenneth More

Captain Jonathan Shepard

Dana Wynter

WRNS Second Officer Anne Davis

Carl Möhner

Captain Lindemann - 'Bismarck'

Laurence Naismith

First Sea Lord Admiral Sir Dudley Pound

Geoffrey Keen

Assistant Chief of the Naval Staff (A.C.N.S.)

Karl Stepanek

Admiral Lutjens - 'Bismarck'

Michael Hordern

Admiral Sir John Tovey, Commander-in-Chief - 'King George'

Maurice Denham

Commander Richards

Michael Goodliffe

Captain Banister

Esmond Knight

Captain Leach - 'Prince of Wales'

Jack Watling

RNVR Signals Officer

Jack Gwillim

Captain Wilfrid Patterson - 'King George V'

Mark Dignam

Captain Maund - 'Ark Royal'

Ernest Clark

Captain Ellis - 'Suffolk'

John Horsley

Captain - 'Sheffield'

Peter Burton

Captain Philip Vian - 4th Destroyer of Flotilla

John Stuart

Captain Kerr - 'Hood'

Walter Hudd

Admiral Holland - 'Hood'

Sydney Tafler

Henry - First Workman, 'Prince of Wales'

Sean Barrett

Able Seaman Brown

Thomas Waldron Price

Flag Lieutenant to First Sea Lord

Edward R. Murrow

Himself - Edward R. Murrow

John Stride

Tom Shepard, Captain Shepard's son, TAG - Ark Royal's Swordfish Squadron (uncredited)

Peter Dyneley

Commander Jenkins (uncredited)

Victor Maddern

Able Seaman Outside Admiralty (uncredited)

David Hemmings

Seaman - 'Ark Royal' (uncredited)

Johnny Briggs

Seaman - 'Prince of Wales' (uncredited)

Norman Shelley

Voice of Winston Churchill (uncredited)

John Barron

Officer P.R.O (uncredited)

Harold Goodwin

Airman on Phone (uncredited)

Walter Gotell

Signals Officer Mueller on the 'Bismarck' (uncredited)

Sam Kydd

Civilian Worker - 'Prince of Wales' (uncredited)

Glyn Houston

Able Seaman - 'Prince of Wales' (uncredited)

Cameron Hall

Civilian Worker - 'Prince of Wales' (uncredited)

Peter Forbes-Robertson

Signalman - 'Prince of Wales' (uncredited)

Michael Ripper

Able Seaman - Lookout on 'Suffolk' (uncredited)

Michael Balfour

Able Seaman - Lookout on 'Suffolk' (uncredited)

Graham Stark

Petty Officer Williams (uncredited)

Olaf Pooley

Officer of the Watch - 'Sheffield' (uncredited)

Edwin Richfield

Bridge Officer (uncredited)

George Pravda

Damage Control Officer - Bismarck (uncredited)

Russell Napier

Air Vice Marshal (uncredited)

Edward Judd

Navigating Officer - 'Prince of Wales' (uncredited)

Bernard Lee

Firing Officer (uncredited)

Robert Brown

Gunnery Officer - 'King George V' (uncredited)

Max Butterfield

Dark Room Technician (uncredited)

Mark Burns

Naval Rating on Phone (uncredited)

Roy Castle

Able Seaman - 'Prince of Wales' (uncredited)

Victor Beaumont

Officer - 'Bismarck' (uncredited)

Richard Beale

Petty Officer on Phone (uncredited)

Donald Churchill

Able Seaman - 'Ark Royal' (uncredited)

Peter Cellier

First Lieutenant - Destroyer (uncredited)

Charles Houston

Airman - 'Ark Royal' (uncredited)

Patrick Jordan

SOE Agent in Norway (uncredited)

Ronald Leigh-Hunt

Somers - Officer 'King George V' (uncredited)

Hugh Latimer

Commander - War Room (uncredited)

Sean Lynch

Mail Clerk - 'Ark Royal' (uncredited)

Julian Somers

Civilian Worker - 'Prince of Wales' (uncredited)

Michael Sarne

Hoffman - 'Bismarck' (uncredited)

Robert Desmond

Dexter (uncredited)

John Bailey

Naval Officer (uncredited)

Michael Collins

Lookout - Second Destroyer (uncredited)

John G. Heller

Lt. Becker on the 'Bismarck' (uncredited)

Ian Hendry

Meteorological Officer on 'King George V' (uncredited)

Ronald Hines

Officer on Bridge of 'Prince of Wales' (uncredited)