Top cast
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
