| Person | Type | Job | Role(s) |
|---|---|---|---|
 Jacques Rémy | Crew | Writing | Writer |
 Jean Delannoy | Crew | Directing | Director, Writer |
Robert Lefebvre | Crew | Crew | Cinematography |
 Andrews Engelmann | Cast | Actor | Le tueur |
 André Carnège | Cast | Le docteur | |
 Charles Lemontier | Cast | Actor | Loschek |
 Claude Bertrand | Cast | Actor | (uncredited) |
 Claude Farell | Cast | Actress | La comtesse Marie Larisch |
 Daniel Mendaille | Cast | Actor | (uncredited) |
 Dominique Blanchar | Cast | Actress | Marie Vetsera |
 Georges Lycan | Cast | Actor | (uncredited) |
 Guy Henry | Cast | Actor | |
 Gérard Oury | Cast | Actor | (uncredited) |
 Jacques Dacqmine | Cast | Actor | L'Archiduc François-Ferdinand |
 Jane Marken | Cast | Actress | La baronne Hélène Vetsera |
 Jean Aymé | Cast | Actor | Le nonce |
 Jean Debucourt | Cast | Actor | L'empereur François-Joseph |
 Jean Marais | Cast | Actor | L'archiduc Rodolphe d'Autriche-Hongrie |
 Jean Ozenne | Cast | Actor | (uncredited) |
 Jean Toulout | Cast | Actor | Le comte Taafe |
Lucien Guervil | Cast | Actor | (uncredited) |
 Léon Larive | Cast | Actor | (uncredited) |
 Mag-Avril | Cast | Actress | (uncredited) |
Marie-Laurence | Cast | Actress | |
 Michel Vitold | Cast | Actor | L'archiduc Jean-Salvator |
Michèle Brabo | Cast | (uncredited) | |
 Pierre Juvenet | Cast | Actor | Un chirurgien (uncredited) |
 Raphaël Patorni | Cast | Actor | Le comte Hoyos |
René Worms | Cast | Actor | (uncredited) |
 Renée Cosima | Cast | Actress | (uncredited) |
Roger Vincent | Cast | Actor | Le sculpteur (uncredited) |
 Silvia Monfort | Cast | Actress | L'archiduchesse Stéphanie |
Gabriel Sardet | Cast | Actor | L'archiduc Charles-Louis (uncredited) |
 Denise Benoit | Cast | Actress | Anna Vetsera |
Victor Tabournot | Cast | (uncredited) | |
François Richard | Cast | Le prince de Saxe-Cobourg | |
Renée Thorel | Cast | Une dame d'honneur (uncredited) | |
Madeleine Foujane | Cast | L'ambassadrice d'Allemagne (uncredited) | |
Marguerite Jamois | Cast | L'impératrice Elisabeth | |
Léo Massart | Cast | L'archiduc Albert (uncredited) | |
Eugène Frouhins | Cast | (uncredited) | |
Simone Barillier | Cast | (uncredited) | |
Léonce | Cast | Un chirurgien (uncredited) | |
Étienne Aubray | Cast | (uncredited) | |
Claude Ruida | Cast | (uncredited) | |
Célia Clairet | Cast | (uncredited) | |
Toni Grand | Cast | (uncredited) | |
Wanny | Cast | Une mondaine (uncredited) | |
| Person | Type | Job | Role(s) |
