Winston Churchill
Thompson
Sawyers
Neville Chamberlain
Lord Halifax
King's Private Secretary
King George VI
Jock Colville
Clement Attlee
Tory MP
Photographer
Duff Cooper
Clementine Churchill
Mary Churchill
Charles Moran
General Ismay
Captain Pim
Admiral Peace
Betty
Harry Hopkins
Franklin D Roosevelt
1st Pilot
2nd Pilot
Vice Marshall Park
Major General Bernard Montgomery
Bunny
General Alan Brooke
Wing Commander Maddox V.C.
M.P. 1
Bevan MP
McGovern MP
Arthur 'Bomber' Harris
Josef Stalin
Stalin's Interpreter
Queen Elizabeth
Amanda
Elyot
Factory Worker (uncredited)
Intelligence Officer (uncredited)
Victor (uncredited)
Sir John Anderson (uncredited)
Pilot (uncredited)
Officer (uncredited)
MP (uncredited)
Marine / Air Raid Patroller (uncredited)