
Trailer
Cast

David Strathairn
President Roosevelt (voice)

Mary Antony
Mary Churchill

Tom Ashley
Ramsay Staffer

James Harkness
AD Nicholl (Secretary #1)

Malcolm Storry
General Ironside

Benjamin Whitrow
Sir Samuel Hoare

Demetri Goritsas
Cabinet Secretary Bridges

Jeremy Child
Lord Stanhope

Kieran Buckeridge
Cecil Beaton

Paul Leonard
Admiral Dudley Pound

Brian Pettifer
Lord Kingsley Wood

Hannah Steele
Abigail Walker

Sarah Flind
Cook

Johnny Otto
Member of Parliament (uncredited)

Pip Torrens
BBC Producer

Nia Gwynne
Alice Simpson

Bronte Carmichael
Young Girl on Tube

John Locke
Oliver Wilson

Richard Glover
Brigadier Nicholson

Patsy Ferran
Maid

Robin Pearce
Ernle Hastings

Imogen King
Teenage Girl at Tube Map

Nicholas Jones
Sir John Simon

James Eeles
Maurice Baker

Gary Oldman
Winston Churchill

Stephen Dillane
Viscount Halifax

Ronald Pickup
Neville Chamberlain

David Schofield
Clement Atlee

Eric MacLennan
Tom Leonard

Jordan Waller
Randolph Churchill

Steffan Donnelly
Back Bencher

Mario Hacquard
Daladier

Flora Nicholson
Jessie Sutton

Joshua James
W D Wilkinson (Secretary #2)

Adrian Rawlins
Air Chief Marshal Dowding

Philip Martin Brown
Sawyers

Olivier Broche
Reynaud

Joshua Higgott
Reporter

Michael Gould
Lord Londonderry

Charley Palmer Rothwell
Christopher Wilson (Photographer)

Paul Ridley
House of Commons Speaker

Edmund Wiseman
Actor

Hilton McRae
Arthur Greenwood

Joe Armstrong
John Evans

Michael Bott
Equerry

Ben Mendelsohn
King George VI

Kristin Scott Thomas
Clemmie

David Bamber
Admiral Ramsay

Roisin O'Neill
Agnes Dillon

Bethany Muir
Sarah Churchill

John Atterbury
Sir Alexander Cadogan

Lily James
Elizabeth Layton

Anna Burnett
Pamela Churchill

Faye Marsay
Sybil

Samuel West
Sir Anthony Eden

Richard Lumsden
General Ismay