Roman Polanski Director, Writer, Concertgoer (uncredited)
Jean Dujardin Picquart
Denis Podalydès Maître Demange
Grégory Gadebois Henry
Louis Garrel Alfred Dreyfus
Michel Vuillermoz Du Paty de Clam
André Marcon Émile Zola
Édith Le Merdy Concierge
Mathieu Amalric Bertillon
Vincent Perez Maître Leblois
Michaël Laguens Casting
Hervé de Luze Editor
Aymeric Devoldère Supervising Sound Editor
Alexandre Desplat Original Music Composer
Cyril Holtz Sound Re-Recording Mixer
Emmanuelle Seigner Pauline Monnier
Niels Barletta Sound Re-Recording Mixer
Hervé Pierre General Gonse
Wladimir Yordanoff General Mercier
Nicolas de Lavergne Auguste Dutrieux (uncredited)
Brigitte Boucher Marie Bastian (uncredited)
Christophe Maratier Warrant Officer
Robert Harris Screenplay, Book
Ludovic Paris Senator Ranc
Patrick Perrin Musician
Damien Bonnard Desvernine
Stefan Godin General Darras
Agathe Dupuis Key Hair Stylist
Melvil Poupaud Maître Labori
Fred Epaud Artillery Officer
Nicolas Wanczycki Foucault
Vincent Grass General Billot
Nicolas Bosc Stunt Double
Franck Mercadal Captain Calmont
Bruno Raffaelli Judge Delegorgue
Alain Goldman Producer
Vesna Peborde Key Makeup Artist
Thierry Gimenez Colonel Jouaust
Philippe Cord'homme Set Decoration
Luca Barbareschi Co-Producer, Philippe Monnier
Pierre Forest Colonel Maurel
Laurent Stocker General de Pellieux
Jean Rabasse Production Design
Jeanne Rosa Martha Leblois
Dominique Moisan Art Direction
Pierre Aussedat Colonel at Picquart's Arrest
Nicolas Bridet Mathieu Dreyfus
Philippe Magnan Attorney Brisset
Paolo Del Brocco Co-Producer
Michel Carliez Stunt Coordinator
Vincent de Boüard Gribelin
Benoît Allemane Georges Charpentier
Didier Sandre General Boisdeffre
Gérard Chaillou Georges Clémenceau
Eric Ruf Sandherr
Hubert Engammare First Assistant Director
Mohammed Lakhdar-Hamina Bachir
Pierre Hurel Man (uncredited)
Luce Mouchel Madame Sandherr
Michèle Clément Washerwoman (uncredited)
Kevin Garnichat Lauth
Jean-Marie Frin Judge Delegorgue
Charles Tesnière Officer (uncredited)
Lionel Mur Journalist
Paweł Edelman Director of Photography
Laurent Natrella Esterhazy
Roman Abramovich Executive Producer
Alain Féat Sound Editor
Sylvette Baudrot Script Supervisor
Pierre Poirot Vallecalle Clerk
Antoine Zerbini Soldier (uncredited)
Lucien Balibar Sound