Gary Oldman Winston Churchill
Kristin Scott Thomas Clemmie
Lily James Elizabeth Layton
Samuel West Sir Anthony Eden
Carlos De Carvalho Second Unit Director of Photography
David Strathairn President Roosevelt (voice)
Stephen Dillane Viscount Halifax
Dan Channing-Williams First Assistant Director
Ben Mendelsohn King George VI
Pip Torrens BBC Producer
Faye Marsay Sybil
Charley Palmer Rothwell Christopher Wilson (Photographer)
Paul Ridley House of Commons Speaker
Tamara Catlin-Birch Art Department Coordinator, Set Decorating Coordinator
Marc-Olivier Rouleau Pipeline Technical Director
Adrian Rawlins Air Chief Marshal Dowding
Joe Wright Director
Joshua James W D Wilkinson (Secretary #2)
David Bamber Admiral Ramsay
Eric Fellner Producer
Dave Wells Best Boy Grip
Anne-Marie Ouellet Visual Effects Production Assistant
Valerio Bonelli Editor
Ronald Pickup Neville Chamberlain
David Schofield Clement Atlee
Josh O'Neill Carpenter
Nicholas Jones Sir John Simon
Mark Appleby ADR Mixer
Jina Jay Casting
Chuck Finch Gaffer
Tim Bevan Producer
Bronte Carmichael Young Girl on Tube
Benjamin Whitrow Sir Samuel Hoare
Anthony McCarten Screenplay, Producer
Johnny Otto Member of Parliament (uncredited)
Joe Armstrong John Evans
Jamie Edgell Stunt Coordinator
Cristian Knight Stunts
Brian Pettifer Lord Kingsley Wood
Malcolm Storry General Ironside
Diana Choi Wigmaker
Patsy Ferran Maid
Dario Marianelli Original Music Composer
Jeremy Braben Aerial Director of Photography
Jeff Gomillion ADR Mixer
Philip Martin Brown Sawyers
Bob Kretschmer Wigmaker
Anna Burnett Pamela Churchill
Kazu Hiro Hair Designer, Prosthetic Makeup Artist
Sarah Flind Cook
Craig Berkey Sound Re-Recording Mixer, Supervising Sound Editor
Des Whelan Camera Operator
Jeremy Child Lord Stanhope
Sarah Greenwood Production Design
Hilton McRae Arthur Greenwood
James Harkness AD Nicholl (Secretary #1)
Leonard Woodcock Stunts
James Collins Draughtsman
Douglas Urbanski Producer
Lisa Bruce Producer
Richard Lumsden General Ismay
Johnathan Rush Sound Mix Technician
Thomas Napper Second Unit Director
Vanessa Baker ADR Voice Casting
Bruno Delbonnel Director of Photography
Paul Carter Sound Designer
Hannah Steele Abigail Walker
Chris Murphy Boom Operator
Jack English Still Photographer
Lottie Geliot Art Department Assistant
Isona Rigau Assistant Art Director
Demetri Goritsas Cabinet Secretary Bridges