Michael Gambon
Winston Churchill
Acting
Lindsay Duncan
Clemmie Churchill
Acting
Romola Garai
Millie Appleyard
Acting
Matthew Macfadyen
Randolph Churchill
Acting
Tara Fitzgerald
Diana Churchill
Acting
Rachael Stirling
Sarah Churchill
Acting
Bill Paterson
Lord Moran
Acting
Daisy Lewis
Mary Churchill
Acting
Alex Jennings
Anthony Eden
Acting
Chris Larkin
Rab Butler
Acting
James Wilby
Brendan Bracken
Acting
Patrick Kennedy
Jock Colville
Acting
Christian McKay
Christopher Soames
Acting
John Standing
Lord Camrose
Acting
Matilda Sturridge
Rosie Hopper
Acting
Matthew Marsh
Lord Beaverbrook
Acting
Ian Mercer
Sgt Murray
Acting
William Blenkinsop
Young Randolph
Acting
Eloise Webb
Young Diana
Acting
Dixie Egerickx
Young Sarah Churchill
Acting
Harper Gray
Young Nicholas Soames
Acting
Molly Ashby
Young Emma
Acting
Margot Orr
Marigold
Acting
Jon Wennington
Delegate (uncredited)
Acting