The newly-named emperor Maximilian and his wife Carlota arrive in Mexico to face popular sentiment favoring Benito Juárez and democracy.
| Directing | William Dieterle | Director |
| Writing | John Huston | Screenplay |
| Writing | Æneas MacKenzie | Screenplay |
| Writing | Wolfgang Reinhardt | Screenplay |
| Writing | Franz Werfel | Theatre Play |
| Writing | Bertita Harding | Novel |
| Production | Hal B. Wallis | Executive Producer |
| Production | Henry Blanke | Associate Producer |
| Sound | Erich Wolfgang Korngold | Original Music Composer |
| Camera | Tony Gaudio | Director of Photography |
| Editing | Warren Low | Editor |
| Art | Anton Grot | Art Direction |
| Costume & Make-Up | Orry-Kelly | Costume Design |
| Camera | Elmer Fryer | Still Photographer |
| Costume & Make-Up | Rydo Loshak | Wardrobe Master |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Production | Jack L. Warner | Executive In Charge Of Production |
| Sound | Gerald W. Alexander | Sound |
| Sound | C.A. Riggs | Sound |
| Sound | Leo F. Forbstein | Music Director |
| Crew | Irving Rapper | Dialogue Coach |
| Crew | Ernesto A. Romero | Technical Advisor |
| Sound | Hugo Friedhofer | Orchestrator |
| Sound | Milan Roder | Orchestrator |
