Sandra Hüller Helen Winter
Jessica Brown Findlay Pamela Legat
Jeremy Irons Neville Chamberlain
Alex Jennings Sir Horace Wilson
August Diehl Franz Sauer
Nicholas Farrell Sir Alexander Cadogan
George MacKay Hugh Legat
Mark Lewis Jones Sir Osmund Cleverly
Jannis Niewöhner Paul von Hartman
Anjli Mohindra Joan Menzies
Richard Dillane Colonel Menzies
Ludwig Simon Café Man Jakob
Stéphane Boucher Édouard Daladier
Ulrich Matthes Adolf Hitler
Liv Lisa Fries Lena
Anja Dihrberg Casting
Simone Pereira Hind Casting
Abigail Cruttenden Anne Chamberlain
Martin Kiefer Heinrich Himmler
Christian Schwochow Director
Oscar Hoppe SS Officer Schubert
Andrew Eaton Producer
Robert Bathurst Sir Nevile Henderson, Sir Neville Henderson
Robert How Co-Producer
Hannes Wegener Captain Eric Kordt
Robert Harris Novel, Executive Producer
Margit Bendokat Nurse Ida
Ben Power Adaptation, Screenplay
Raphael Sowole Cecil Syers
Nick Wymer Maitre D'
Marc Limpach Dr. Paul Schmidt
Rainer Sellien Hans Oster
Jean-Pascal Heynemand Ritz Diner (uncredited)
Helen Clyro Miss Watson
Jens Klüber Editor
Nellie Thalbach Café Woman Charlotte
Nicholas Shaw Parliamentary Aide James Berwick
Leni Erceg Little Girl Inge
Isobel Waller-Bridge Original Music Composer
Domenico Fortunato Benito Mussolini
Antonije Stankovic Young Man Bauhaus Konrad
Marcel Kowalewski Young Man Brauhaus Alexander
Esme Coleman Digital Compositor
Tim Pannen Production Design
Tara Nome Doyle Singer
Jakob Neuhäusser Line Producer
Paul-Ernest Flanagan Foreman Frank Wright
Daniel Hetzer Executive Producer
Aidan Hennessey Arthur Legat
Frank Lamm Director of Photography