| Enrique Lizalde | ... | Dr. Enrique Duval; Eduardo Rail | |
| Sasha Montenegro | ... | Bettina | |
| Carlos López Moctezuma | ... | Dr. Ramos | |
| Eduardo Noriega | ... | Licenciado Menéndez | |
| Nancy Compare | ... | Nora Ramos | |
| Julián Pastor | ... | Inspector Blanco | |
| Mauricio Ferrari | ... | Abel | |
| Rebeca Silva | ... | Prostituta | |
| Juan José Martínez Casado | ... | Pablo | |
| Jorge Fegán | |||
| Pedro Regueiro | |||
| José Luis Avendaño | |||
| Marcos E. Contreras | (as Marco Contreras) | ||
| Arturo Guzman | |||
| Odila Dupeyron | |||
| Susana Alvarez | |||
| Jorge Victoria | |||
| Guillermo Segura |
Directed by | |||
| Julián Soler | |||
Writing credits(in alphabetical order) | ||
| Alfredo Ruanova | adaptation | |
| Robert Louis Stevenson | novel "The Strange Case of Dr. Jekyll and Mr. Hyde" | |
Original Music by | |||
| Ernesto Cortázar | |||
Cinematography by | |||
| Xavier Cruz | (as Javier Cruz Ruvalcaba) | ||
Film Editing by | |||
| Raul J. Casso | (as Raúl J. Casso) | ||
Special Effects by | |||
| Ricardo Sáinz | .... | special effects | |
Camera and Electrical Department | |||
| Alberto Arellanos Bustamante | .... | camera operator (as Alberto Arellanos) | |
| Agustín Lara Alvarado | .... | camera operator | |
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| El señor de Osanto | Aventuras de Juliancito | Dos años de vacaciones | El club de los suicidas | Amok |
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| Full cast and crew | Company credits | External reviews |
| IMDb Action section | IMDb Mexico section |