Michael Gambon

Winston Churchill

Ian Mercer

Sgt Murray

Matthew Marsh

Lord Beaverbrook

John Standing

Lord Camrose

Christian McKay

Christopher Soames

Alex Jennings

Anthony Eden

Bill Paterson

Lord Moran

Lindsay Duncan

Clemmie Churchill

Rebecca Eaton

Executive Producer

Matthew Macfadyen

Randolph Churchill

Romola Garai

Millie Appleyard

Patrick Kennedy

Jock Colville

Tara Fitzgerald

Diana Churchill

Rachael Stirling

Sarah Churchill

Eloise Webb

Young Diana

James Wilby

Brendan Bracken

Daisy Lewis

Mary Churchill

David Aukin

Executive Producer

Jon Wennington

Delegate (uncredited)

Dixie Egerickx

Young Sarah Churchill

Chris Larkin

Rab Butler

Matilda Sturridge

Rosie Hopper

William Blenkinsop

Young Randolph

Harper Gray

Young Nicholas Soames

Molly Ashby

Young Emma

Margot Orr

Marigold

Hal Vogel

Executive Producer

Sally Miles

Executive Producer

Stewart Harcourt

Writer

Charles Sturridge

Director