Brendan Gleeson

Winston Churchill

Adrian Scarborough

Sawyers

Iain Glen

King George VI

James D'Arcy

Jock Colville

Janet McTeer

Clementine Churchill

Robert Pugh

General Ismay

Len Cariou

President Franklin D. Roosevelt

Patrick Malahide

Major General Bernard Montgomery

Aleksey Petrenko

Josef Stalin

Jack Shepherd

Neville Chamberlain

Donald Sumpter

Lord Halifax

Gethin Anthony

1st Pilot

Emma Hamilton

Betty

John Albasiny

Stalin's Interpreter

Clive Mantle

Thompson

Andrew Havill

King's Private Secretary

Bill Paterson

Clement Attlee

Terrence Hardiman

Captain Pim