Casting (30)
Gary Oldman
Winston Churchill
Stephen Dillane
Viscount Halifax
Lily James
Elizabeth Layton
Ronald Pickup
Neville Chamberlain
Ben Mendelsohn
King George VI
Kristin Scott Thomas
Clemmie
Nicholas Jones
Sir John Simon
Samuel West
Sir Anthony Eden
David Schofield
Clement Atlee
Richard Lumsden
General Ismay
Malcolm Storry
General Ironside
Hilton McRae
Arthur Greenwood
Benjamin Whitrow
Sir Samuel Hoare
Joe Armstrong
John Evans
Adrian Rawlins
Air Chief Marshal Dowding
David Bamber
Admiral Ramsay
Paul Leonard
Admiral Dudley Pound
David Strathairn
President Roosevelt (voice)
Eric MacLennan
Tom Leonard
Philip Martin Brown
Sawyers
Demetri Goritsas
Cabinet Secretary Bridges
Jordan Waller
Randolph Churchill
Alex Clatworthy
Diana Churchill
Mary Antony
Mary Churchill
Bethany Muir
Sarah Churchill
Anna Burnett
Pamela Churchill
Jeremy Child
Lord Stanhope
Brian Pettifer
Lord Kingsley Wood
Michael Gould
Lord Londonderry
Paul Ridley
House of Commons Speaker