 | Lily James als Mieke de Jong |
 | Jai Courtney als Capt Stefan Brandt |
 | Eddie Marsan als Heinrich Himmler |
 | Christopher Plummer als Kaiser Wilhelm II |
 | Janet McTeer als Princess Hermine 'Hermo' Reuss of Greiz |
 | Daisy Boulton als Secretary |
 | Ben Daniels als Col Sigurd von Ilsemann |
| Stéphane Auberghen als Frau Linnenkamp |
| Aubeline Barbieux als Beatrix |
| Loïs van Wijk als Little Girl |
| Karin Leclercq als Widow in Hotel |
 | Anton Lesser als General Falkenberg |
 | Martin Swabey als Mueller |
 | Martin Savage als Dirksen |
 | Mark Dexter als Dietrich |
| Kurt Standaert als Schulz |
 | Kris Cuppens als Pastor Hendricks |
| Frederik Lebeer als Signal Operative |
 | Stéphanie Van Vyve als Hedwig Potthast |
 | Lucas Tavernier als SS Colonel Meyer |
| Tom De Vreese als Wehrmacht Soldier - Brandt Unit |
| Luc Krijgsman als Wehrmacht Soldier - Brandt Unit |
 | Verona Verbakel als Wehrmacht Secretary |
| Sebastiaan Ham als Wehrmacht Soldier - Brandt Unit |
| Sjoerd Schaap als Wehrmacht Soldier - Brandt Unit |
| Daan Aufenacker als Officer (uncredited) |
| Tom Magnus als Lieutenant Commander (uncredited) |
| Jan Smekens als SS Guard (uncredited) |
| David Leveaux | Director |
| Simon Burke | Screenplay |
| Lou Pitt | Producer |
| Judy Tossell | Producer |
| Alan Judd | Novel |
| Christian Angermayer | Executive Producer |
| Claudia Bluemhuber | Executive Producer |
| Phil Geier | Executive Producer |
| James Gibb | Executive Producer |
| Bill Haber | Executive Producer |
| Klemens Hallmann | Executive Producer |
| Christopher Landry | Associate Producer |
| Stéphane Lhoest | Line Producer |
| Jens Meurer | Executive Producer |
| Adrian Politowski | Co-Producer |
| Bastien Sirodot | Associate Producer |
| Daniel Toland | Co-Producer |
| Jona Wirbeleit | Associate Producer |
| Ilan Eshkeri | Original Music Composer |
| Roman Osin | Director of Photography |
| Nicolas Gaster | Editor |
| Julia Horan | Casting |
| Hubert Pouille | Production Design |
| Lieven Baes | Set Decoration |
| Ilse Willocx | Set Decoration |
| Daniela Ciancio | Costume Design |
| Nicolas Bassetto | Post Production Supervisor |
| Nadine Borreman | Unit Production Manager |
| Finnian Tweed | Casting Assistant |
| Wim De Waegenaere | Location Manager |
| David Ragonig | Production Coordinator |
| Els Rastelli | Script Supervisor |
| Elizabeth Small | Production Coordinator |
| Virginie Berland | Wigmaker |
| Caroline Case | Assistant Makeup Artist |
| Jennifer Courouge | Hairstylist |
| Katja Piepenstock | Makeup Artist |
| Vincent Respriget | Hairdresser |
| Kaatje Van Damme | Makeup Designer |
| Frank van Wolleghem | Key Hair Stylist |
| Daphne Zwanenberg | Makeup & Hair |
| Baudouin du Bois | First Assistant Director |
| Nicolas Gaster | Second Unit Director |
| Maria Nita | Second Assistant Director |
| Talina Casier | Assistant Art Director |
| Emilie Debus | Property Master |
| Amandine Grafé | Graphic Designer |
| Jonathan Van Essche | Assistant Property Master |
| François Dumont | Supervising Sound Editor |
| Patrick Ghislain | Foley Mixer |
| Alek Goosse | Sound Re-Recording Mixer |
| Jérémy Hassid | Foley Editor |
| Pascal Jasmes | Sound Mixer |
| Vincent Maloumian | Foley Artist |
| Henri Morelle | Sound Mixer |
| Jeroen Truijens | Dialogue Editor |
| Jeroen Truijens | Sound Effects Editor |
| Rick Wiessenhaan | Special Effects Supervisor |
| Heidi Alemans | Stunt Double |
| Aidan Brindle | Stunt Driver |
| Nicolas de Pruyssenaere | Stunts |
| Eric Ford | Stunts |
| Christian Hebenstreit | Stunt Double |
| Christian Petersson | Stunt Double |
| Nick Roeten | Stunts |
| Ron Sleeswijk | Stunt Coordinator |
| Philip van Ees | Stunt Double |
| Brian van de Vooren | Stunt Double |
| Marc Bossaerts | Still Photographer |
| Julien Chassaignon | Rigging Grip |
| Yvan Coene | Steadicam Operator |
| Tinus Dam | Lighting Technician |
| Dominique Degand | Rigging Grip |
| Sylvain Fradier | First Assistant Camera |
| Didier Frateur | First Assistant "A" Camera |
| Dries Leerschool | Key Grip |
| Olivier Merckx | Steadicam Operator |
| Veerle Pipeleers | Best Boy Grip |
| Steven Soete | Electrician |
| Wim Temmerman | Gaffer |
| Sofie Van Bos | Second Assistant Camera |
| Jo Vermaercke | Steadicam Operator |
| Jo Voets | Still Photographer |
| Raissa Hans | Wardrobe Supervisor |
| Sam Lormans | Costume Supervisor |
| Chiara Nobile | Assistant Costume Designer |
| Benjamin Durfort | Assistant Editor |
| Tony Kock | Digital Intermediate Producer |
| Elise Van Reybroeck | Digital Intermediate Producer |
| Martin Neufkens | Production Accountant |
| Liam French Robinson | Dialect Coach |
| Julia Wilson Dickson | Dialect Coach |
| Ian Hutchinson | Executive Producer |
