Gary Oldman Winston Churchill
Lily James Elizabeth Layton
David Strathairn President Roosevelt (voice)
Ben Mendelsohn King George VI
Samuel West Sir Anthony Eden
Kristin Scott Thomas Clemmie
Stephen Dillane Viscount Halifax
Faye Marsay Sybil
Pip Torrens BBC Producer
Adrian Rawlins Air Chief Marshal Dowding
Joe Wright Director
David Bamber Admiral Ramsay
David Schofield Clement Atlee
Bronte Carmichael Young Girl on Tube
Tim Bevan Producer
Patsy Ferran Maid
Benjamin Whitrow Sir Samuel Hoare
Philip Martin Brown Sawyers
Sarah Flind Cook
Nicholas Jones Sir John Simon
Joshua James W D Wilkinson (Secretary #2)
Joe Armstrong John Evans
Bruno Delbonnel Director of Photography
Imogen King Teenage Girl at Tube Map
Demetri Goritsas Cabinet Secretary Bridges
Ronald Pickup Neville Chamberlain
Kazu Hiro Hair Designer, Prosthetic Makeup Artist
Paul Ridley House of Commons Speaker
Charley Palmer Rothwell Christopher Wilson (Photographer)
Malcolm Storry General Ironside
James Eeles Maurice Baker
Brian Pettifer Lord Kingsley Wood
Richard Lumsden General Ismay
Jeremy Child Lord Stanhope
Jina Jay Casting
Jacqueline Durran Costume Design
Cristian Knight Stunts
Douglas Urbanski Producer
Hannah Steele Abigail Walker
Anna Burnett Pamela Churchill
James Harkness AD Nicholl (Secretary #1)
Eric Fellner Producer
Sarah Greenwood Production Design
Anthony McCarten Producer, Screenplay
John Locke Oliver Wilson
Bethany Muir Sarah Churchill
Richard Glover Brigadier Nicholson
Tommaso Gallone First Assistant Editor
Dario Marianelli Original Music Composer
Paul Leonard Admiral Dudley Pound
Ivana Primorac Hair Designer, Makeup Designer
Jacqueline Rathore Hairstylist
Jordan Waller Randolph Churchill
Netty Chapman Assistant Set Decoration
Des Whelan Camera Operator
Hilton McRae Arthur Greenwood
Jessie Frost Casting Associate
Mary Antony Mary Churchill
David Malinowski Prosthetic Makeup Artist
Joshua Jason Publicist
John Atterbury Sir Alexander Cadogan
Olivier Broche Reynaud
Chris Robins Sound Mix Technician
Johnny Otto Member of Parliament (uncredited)
Dale Walters Props
Craig Berkey Sound Re-Recording Mixer, Supervising Sound Editor
Bob Kretschmer Wigmaker
Thomas Napper Second Unit Director
Michael Gould Lord Londonderry
Chuck Finch Gaffer
Dave Wells Best Boy Grip
Tom Edmondson Second Unit First Assistant Director