Trailer
Images
 | Louis Garrel as capitaine Alfred Dreyfus |
 | Jean Dujardin as lieutenant-colonel Marie-Georges Picquart |
 | Emmanuelle Seigner as Pauline Monnier |
 | Grégory Gadebois as commandant Hubert Henry |
 | Vincent Perez as Maître Louis Leblois |
 | Melvil Poupaud as Maître Fernand Labori lawyer |
 | André Marcon as Émile Zola |
 | Mathieu Amalric as Alphonse Bertillon |
 | Vincent Grass as général Jean-Baptiste Billot |
 | Didier Sandre as général Raoul Le Mouton de Boisdeffre |
 | Hervé Pierre as général Charles-Arthur Gonse |
 | Laurent Stocker as général Georges-Gabriel de Pellieux |
 | Eric Ruf as colonel Jean Sandherr |
 | Wladimir Yordanoff as général Auguste Mercier |
| Gérard Chaillou as Georges Clemenceau éditorialiste à L’Aurore |
 | Laurent Natrella as commandant Ferdinand Walsin Esterhazy |
 | Damien Bonnard as Desvernine |
 | Édith Le Merdy as Concierge |
 | Jeanne Rosa as Martha Leblois |
| Swan Starosta as Lucie Dreyfus |
 | Brigitte Boucher as Marie Bastian (uncredited) |
| Michèle Clément as Lavandière (uncredited) |
 | Nicolas de Lavergne as Auguste Dutrieux (uncredited) |
 | Roman Polanski as A Listener at a Concert (uncredited) |
| Vincent De Bouard as Gribelin |
| Sound | |
| Alexandre Desplat | Original Music Composer |
Directing | |
| Roman Polanski | Director |
Writing | |
| Roman Polanski | Writer |
Production | |
| Robert Benmussa | Producer |
| Alain Sarde | Producer |
Camera | |
| Paweł Edelman | Director of Photography |
Editing | |
| Hervé de Luze | Editor |
Art | |
| Jean Rabasse | Production Design |
Costume & Make-Up | |
| Pascaline Chavanne | Costume Design |
Directing | |
| Hubert Engammare | Assistant Director |
Sound | |
| Lucien Balibar | Sound |
Production | |
| Luca Barbareschi | Producer |
| Luca Barbareschi | Co-Producer |
Writing | |
| Robert Harris | Screenplay |
| Robert Harris | Book |
Production | |
| Michaël Laguens | Casting |
Art | |
| Dominique Moisan | Art Direction |
Sound | |
| Aymeric Devoldère | Supervising Sound Editor |
| Alain Féat | Sound Editor |
| Cyril Holtz | Sound Re-Recording Mixer |
Costume & Make-Up | |
| Agathe Dupuis | Key Hair Stylist |
Sound | |
| Niels Barletta | Sound Re-Recording Mixer |
Costume & Make-Up | |
| Vesna Peborde | Key Makeup Artist |
Production | |
| Paolo Del Brocco | Co-Producer |
| Kasia Nabialczyk | Executive Producer |
| Axelle Boucaï | Associate Producer |
| Axel Décis | Associate Producer |
| Roman Abramovich | Executive Producer |
| Zbigniew Raczynski | Executive Producer |
| Lukasz Raczynski | Executive Producer |
| Constantino Margiotta | Executive Producer |
