George MacKay

Hugh Legat

Jannis Niewöhner

Paul von Hartman

Jeremy Irons

Neville Chamberlain

Robert Bathurst

Sir Nevile Henderson

Jessica Brown Findlay

Pamela Legat

August Diehl

Franz Sauer

Sandra Hüller

Helen Winter

Alex Jennings

Sir Horace Wilson

Ulrich Matthes

Adolf Hitler

Liv Lisa Fries

Lena

Abigail Cruttenden

Anne Chamberlain

Nicholas Farrell

Sir Alexander Cadogan

Martin Kiefer

Heinrich Himmler

Mark Lewis Jones

Sir Osmund Cleverly

Anjli Mohindra

Joan Menzies

Paul-Ernest Flanagan

Foreman Frank Wright

Nick Wymer

Maitre D'

Raphael Sowole

Cecil Syers

Ludwig Simon

Café Man Jakob

Nellie Thalbach

Café Woman Charlotte

Hannes Wegener

Captain Eric Kordt

Aidan Hennessey

Arthur Legat

Tara Nome Doyle

Singer

Rainer Sellien

Hans Oster

Helen Clyro

Miss Watson

Nicholas Shaw

Parliamentary Aide James Berwick

Richard Dillane

Colonel Menzies

Robert Bathurst

Sir Neville Henderson

Marcel Kowalewski

Young Man Brauhaus Alexander

Antonije Stankovic

Young Man Bauhaus Konrad

Marc Limpach

Dr. Paul Schmidt

Oscar Hoppe

SS Officer Schubert

Domenico Fortunato

Benito Mussolini

Stéphane Boucher

Édouard Daladier

Leni Erceg

Little Girl Inge

Margit Bendokat

Nurse Ida

Jean-Pascal Heynemand

Ritz Diner (uncredited)

Daniel Söhner

Martin Bormann (uncredited)