King Edward VIII

Wallis Warfield Simspon

Stanley Baldwin

Duke of York

Queen Mary

Walter Monkton

Major Alexander Hardinge

Ernest Simpson

Osborne

Aunt Bessie Merryman

Duchess of York

Chips Channon

Clement Atlee

Lady Diana Cooper

Queen Mary’s Lady in Waiting

Lady Colefax

Winston Churchill

Princess Mary

Theodore Goddard

Geoffrey Dawson

King George V

Lord Beaverbrook

Anthony Eden

Major John Aird

Lord Dawson

Sir Donald Somervell

Cosmo Lang, Archbishop of Canterbury

Duff Cooper (as Trevor Bowen)

Esmond Harmsworth

Sir John Reith

Sir Harold Nicolson

Stanley Bruce

Sir Samuel Hoare

Lady Thelma Furness

Lord Darby

Lady Cunard

Piers Leigh

RSM Reeves

Footman

Lord Kelmsley

Mouth Organist

Luigi

Walter Frampton

Freda Dudley Ward

Angie

Sir Percy Watkins

CSM Owen

RQMS Neale

Colonial Wife

Maid

Lady Furness’s Butler (uncredited)

Hugh Lloyd Thomas (as Anthony Brown)

Head Cook

King’s Secretary

Radio Announcer

Boy with Mouth Organ

Humphrey Butler

Godfrey Thomas

Official

Mrs Quinn

Thomas Quinn

Mrs Dalby

Archibald Travers

Mr Justice Hawke

Norman Birkett K.C.

Dante Busclia

Stoker Aldridge (as Chris Holmes)

Lord Perry Brownlow

Major Edward Metcalfe

Speaker of the House of Commons

George Lambert

Lady Alexandra Metcalfe