Trailer
Cast
Imogen King
Teenage Girl at Tube Map
Charley Palmer Rothwell
Christopher Wilson (Photographer)
Ben Mendelsohn
King George VI
Kristin Scott Thomas
Clemmie
Bethany Muir
Sarah Churchill
Michael Gould
Lord Londonderry
Bronte Carmichael
Young Girl on Tube
Joshua James
W D Wilkinson (Secretary #2)
Mary Antony
Mary Churchill
Nia Gwynne
Alice Simpson
Richard Glover
Brigadier Nicholson
Steffan Donnelly
Back Bencher
Nicholas Jones
Sir John Simon
Faye Marsay
Sybil
Johnny Otto
Member of Parliament (uncredited)
Philip Martin Brown
Sawyers
James Eeles
Maurice Baker
Flora Nicholson
Jessie Sutton
Jordan Waller
Randolph Churchill
Kieran Buckeridge
Cecil Beaton
Jeremy Child
Lord Stanhope
David Schofield
Clement Atlee
Malcolm Storry
General Ironside
Adrian Rawlins
Air Chief Marshal Dowding
Paul Leonard
Admiral Dudley Pound
Pip Torrens
BBC Producer
John Locke
Oliver Wilson
Roisin O'Neill
Agnes Dillon
Stephen Dillane
Viscount Halifax
Mario Hacquard
Daladier
Brian Pettifer
Lord Kingsley Wood
Lily James
Elizabeth Layton
Samuel West
Sir Anthony Eden
Richard Lumsden
General Ismay
David Bamber
Admiral Ramsay
Sarah Flind
Cook
Demetri Goritsas
Cabinet Secretary Bridges
David Strathairn
President Roosevelt (voice)
Joshua Higgott
Reporter
John Atterbury
Sir Alexander Cadogan
James Harkness
AD Nicholl (Secretary #1)
Edmund Wiseman
Actor
Patsy Ferran
Maid
Ronald Pickup
Neville Chamberlain
Paul Ridley
House of Commons Speaker
Benjamin Whitrow
Sir Samuel Hoare
Joe Armstrong
John Evans
Olivier Broche
Reynaud
Gary Oldman
Winston Churchill
Eric MacLennan
Tom Leonard
Robin Pearce
Ernle Hastings
Michael Bott
Equerry
Hilton McRae
Arthur Greenwood
Anna Burnett
Pamela Churchill
Hannah Steele
Abigail Walker
Tom Ashley
Ramsay Staffer