Gary Oldman Winston Churchill
Lily James Elizabeth Layton
Mark Appleby ADR Mixer
Kristin Scott Thomas Clemmie
Flora Nicholson Jessie Sutton
Gudjon Kristjansson Digital Compositor
Ben Mendelsohn King George VI
Paul Wheeldon First Assistant "B" Camera
Declan McGuire Pipeline Technical Director
David Strathairn President Roosevelt (voice)
Yan Caspar Hirschbuehl VFX Artist
Samuel West Sir Anthony Eden
Jamie Edgell Stunt Coordinator
Kyle Greenberg Digital Compositor
Pip Torrens BBC Producer
Bronte Carmichael Young Girl on Tube
Tracie Donais Digital Compositor
Faye Marsay Sybil
Dennis Wiseman Property Master
Claire Watson Costume Coordinator
David Bamber Admiral Ramsay
David Schofield Clement Atlee
Joe Wright Director
John Atterbury Sir Alexander Cadogan
Hilton McRae Arthur Greenwood
Neal Champion Special Effects Supervisor
Stephen Dillane Viscount Halifax
Joe Armstrong John Evans
Adrian Rawlins Air Chief Marshal Dowding
Matt Robinson Assistant Art Director
Philip Martin Brown Sawyers
Olivier Broche Reynaud
Joanna Neary Margaret Jerome
Demetri Goritsas Cabinet Secretary Bridges
Aaron Hartley Second Assistant Director
Charley Palmer Rothwell Christopher Wilson (Photographer)
Nicholas Jones Sir John Simon
Benjamin Whitrow Sir Samuel Hoare
Patsy Ferran Maid
Andrew Jones Second Assistant "B" Camera
Michael Bott Equerry
Ronald Pickup Neville Chamberlain
Tim Bevan Producer
Becki Ponting Supervising Sound Editor
Imogen King Teenage Girl at Tube Map
Hannah Steele Abigail Walker
James Eeles Maurice Baker
Paul Leonard Admiral Dudley Pound
Tom Ashley Ramsay Staffer
Thomas Napper Second Unit Director
Jeff Gomillion ADR Mixer
Keith Partridge Foley Mixer
Sarah Flind Cook
Johnny Otto Member of Parliament (uncredited)
Anna Burnett Pamela Churchill
Angela Moneke Production Assistant
Cristian Knight Stunts
Jeremy Child Lord Stanhope
Malcolm Storry General Ironside
Craig Berkey Sound Re-Recording Mixer, Supervising Sound Editor
Bruno Delbonnel Director of Photography
Flora Moody Key Makeup Artist, Key Hair Stylist
Ivana Primorac Makeup Designer, Hair Designer
Bob Kretschmer Wigmaker
Valerio Bonelli Editor
Eric Fellner Producer
Paul Ridley House of Commons Speaker
Brian Pettifer Lord Kingsley Wood
Joshua James W D Wilkinson (Secretary #2)
Nick Gottschalk Supervising Art Director
Barnaby Smyth Foley Artist
Jeremy Braben Aerial Director of Photography