Winston Churchill

Gary Oldman

Clementine Churchill

Kristin Scott Thomas

Viscount Halifax

Stephen Dillane

King George VI

Ben Mendelsohn

Elizabeth Layton

Lily James

Neville Chamberlain

Ronald Pickup

Sir John Simon

Nicholas Jones

Sir Anthony Eden

Samuel West

Clement Atlee

David Schofield

General Ismay

Richard Lumsden

Miles Aldridge

Charley Palmer Rothwell

Abigail Walker

Hannah Steele

Arthur Greenwood

Hilton McRae

Sir Samuel Hoare

Benjamin Whitrow

General Ironside

Malcolm Storry

John Evans

Joe Armstrong

Air Chief Marshal Dowding

Adrian Rawlins

Admiral Ramsay

David Bamber

President Roosevelt

David Strathairn

Tom Leonard

Eric MacLennan

Admiral Dudley Pound

Paul Leonard

Sawyers

Philip Martin Brown

Cabinet Secretary Bridges

Demetri Goritsas

Randolph Churchill

Jordan Waller

Mary Churchill

Mary Antony

Sarah Churchill

Bethany Muir

Pamela Churchill

Anna Burnett

Diana Churchill

Alex Clatworthy

Lord Kingsley Wood

Brian Pettifer

Lord Londonderry

Michael Gould

House of Commons Speaker

Paul Ridley

Lord Stanhope

Jeremy Child

Equerry

Michael Bott

Ernle Hastings

Robin Pearce

BBC Producer

Pip Torrens

Actor

Edmund Wiseman

Reynaud

Olivier Broche

Daladier

Mario Hacquard

Alice Simpson

Nia Gwynne

Maurice Baker

James Eeles

Jessie Sutton

Flora Nicholson

Young Girl on Tube

Bronte Carmichael

Marcus Peters

Ade Dee Haastrup

Margaret Jerome

Jo Neary

Agnes Dillon

Roisin O'neill

Brigadier Nicholson

Richard Glover

Ramsay Staffer

Tom Ashley

Oliver Wilson

John Locke

Reporter

Joshua Higgott

Margaret Jerome

Joanna Neary

Teenage Girl at Tube Map

Imogen King

Naval Map-Room Officer

Miles Gallant

Sybil

Faye Marsay

Sir Alexander Cadogan

John Atterbury

AD Nicholl

James Harkness

Maid

Patsy Ferran

W D Wilkinson (Secretary #2)

Joshua James

Cook

Sarah Flind

Back Bencher

Steffan Donnelly

Member of Parliament

Clare Almond

Civilian

David Olawale Ayinde

Cecil Beaton

Kieran Buckeridge

Labour MP

Antony Barlow

Londoner

Annarie Boor

Downing St. Civil Servant

Robin George

London Refugee

Michael Haydon

Adolf Hitler

Civilian

Zak Holland

French Girl

Angelique Joan

Soldier

Davey Jones

Conservative MP

Keith Lomas

Businessman

Marian Lorencik

Conservative MP

Martyn Mayger

Labour MP

Robert McLanachan

Radio Operator

Johnny Mindlin

Member of Parliament

Arnold Montey

Worker

Paul A Munday

Rear Admiral

Hugh O'Brien

Artist

Yves O'Hara

Member of Parliament

Johnny Otto

The Marquess of Hartington

Andrew Reed

Labour MP

Paul Riddell

Conservative MP

James Thomas Scott

Civilian

Janette Sharpe

Politician

Nick Simons

Dowager's Son

Danny Stewart