In May 1940, the fate of World War II hangs on Winston Churchill, who must decide whether to negotiate with Adolf Hitler or fight on knowing that it could mean the end of the British Empire.
Gary Oldman
as Winston Churchill
Kristin Scott Thomas
as Clemmie
Ben Mendelsohn
as King George VI
Lily James
as Elizabeth Layton
Ronald Pickup
as Neville Chamberlain
Stephen Dillane
as Viscount Halifax
Nicholas Jones
as Sir John Simon
Samuel West
as Sir Anthony Eden
David Schofield
as Clement Atlee
Richard Lumsden
as General Ismay
Malcolm Storry
as General Ironside
Hilton McRae
as Arthur Greenwood