Jonathan Cake
— Oswald 'Tom' Mosley
Jemma Redgrave
— Cimmie Curzon
Hugh Bonneville
— Bob Boothby
Flora Montgomery
— Baba
Ralph Riach
— Ramsey MacDonald
Windsor Davies
— David Lloyd George
Gresby Nash
— Fruity Metcalfe
Emma Davies
— Diana Mitford Guinness
Roger May
— Jonathan Strachey
Paul Ireland
— Allan Young
Orlando Wells
— Cecil Beaton
Ken Jones
— JH Thomas
Eric Allan
— Philip Snowden
Berwick Kaler
— Arthur Henderson
Arturo Venegas
— Count Grandi
Debora Weston
— Maxine Elliott
Philip Dunbar
— Philip Sassoon
Robert Langdon Lloyd
— Lord Curzon
Devon Scott
— Lady Grace Curzon
Hugh Simon
— Winston Churchill
Richenda Carey
— Lady Mosley
Dermot Martin
— Sgt O'Sullivan
Caroline Langrishe
— Jane Bewley
Jeremy Child
— Major Bewley
Roger Brierley
— Neville Chamberlain
Edward Highmore
— Derek Johnson
Jonathan Coy
— Harold Nicholson
Ben Pullen
— Peter Howard
Sonya Walger
— Barbara Hutchinson
David Henry
— William Morris