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