| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anton Grot | Crew | Art | Art Direction |
Geza Herczeg | Crew | Writing | Screenplay, Story |
Heinz Herald | Crew | Writing | Screenplay, Story |
 Henry Blanke | Crew | Production | Producer |
 Irving Rapper | Crew | Crew | Dialogue Coach |
 Leo F. Forbstein | Crew | Sound | Music Director |
Matthew Josephson | Crew | Writing | Book |
 Max Steiner | Crew | Sound | Original Music Composer |
Milo Anderson | Crew | Costume & Make-Up | Costume Design |
 Norman Reilly Raine | Crew | Writing | Screenplay |
Perc Westmore | Crew | Costume & Make-Up | Makeup Artist |
 Tony Gaudio | Crew | Camera | Director of Photography |
Warren Low | Crew | Editing | Editor |
 William Dieterle | Crew | Directing | Director |
Ali Hubert | Crew | Costume & Make-Up | Costume Design |
 Charles Richman | Cast | Actor | M. Delagorgue |
 Dickie Moore | Cast | Actor | Pierre Dreyfus |
 Donald Crisp | Cast | Actor | Maitre Labori |
 Erin O'Brien-Moore | Cast | Actress | Nana |
 Florence Roberts | Cast | Actress | Madame Zola |
 Frank Sheridan | Cast | Actor | M. Van Cassell |
 Franklyn Farnum | Cast | Actor | (uncredited) |
 Gale Sondergaard | Cast | Actress | Lucie Dreyfus |
 Gilbert Emery | Cast | Actor | Minister of War |
 Gloria Holden | Cast | Actress | Alexandrine Zola |
 Grant Mitchell | Cast | Actor | Georges Clemenceau |
 Harry Davenport | Cast | Actor | Chief of Staff |
 Henry O'Neill | Cast | Actor | Colonel Picquart |
 John Litel | Cast | Actor | Charpentier |
 Joseph Schildkraut | Cast | Actor | Capt. Alfred Dreyfus |
 Louis Calhern | Cast | Actor | Major Dort |
 Lumsden Hare | Cast | Actor | Mr. Richards |
 Marcia Mae Jones | Cast | Actress | Helen Richards |
 Montagu Love | Cast | Actor | M. Cavaignac |
 Morris Carnovsky | Cast | Actor | Anatole France |
 Paul Everton | Cast | Actor | Assistant Chief of Staff |
 Paul Muni | Cast | Actor | Emile Zola |
 Ralph Morgan | Cast | Actor | Commander of Paris |
 Robert Barrat | Cast | Actor | Major Walsin-Esterhazy |
 Robert Warwick | Cast | Actor | Colonel Henry |
 Vladimir Sokoloff | Cast | Actor | Paul Cezanne |
 Walter Kingsford | Cast | Actor | Colonel Sandherr |
Rolla Gourvitch | Cast | Jeanne Dreyfus | |
| Person | Type | Job | Role(s) |
