Directed by
| Tulio Demicheli | ||
Writing Credits (in alphabetical order)
| Tulio Demicheli | ||
| Torcuato Luca de Tena | ... | (novel) |
Cast (in credits order)
| Lucía Méndez | ... | Alicia Estrada | |
| Gonzalo Vega | ... | Dr. César Arellano | |
 |
Mónica Prado | ... | Monse castillo |
| Manuel Ojeda | ... | Doctor Alvar | |
|
|
Manola Saavedra | ... | Doctora Bernardos |
| Alejandro Camacho | ... | Ignacio Rojas | |
| María Martín | ... | La duquesa | |
| Abraham Méndez | ... | Romulo | |
| Xavier Marc | ... | Doctor (as Javier Marc) | |
|
|
Paco Morayta | ... | El astrólogo (as Francisco Morayta) |
|
|
Antonio Miguel | ... | Dr. Ruiz Pérez (as Antonio de Miguel) |
| Martin LaSalle | ... | Dr. Dorantes / García del Olmo | |
|
|
María Prado | ... | Conrada, enfermera |
|
|
Regino Herrera | ... | Cosme |
|
|
Mariano Hurtado | ||
|
|
Ernesto Juárez | ... | Paciente |
|
|
Jaime Vega | ... | El jorobado |
| Rest of cast listed alphabetically: | |||
|
|
Lourdes Flores | ... | (uncredited) |
|
|
Fernando Yapur | ... | Camionero (uncredited) |
Produced by
| Fabián Arnaud | ... | producer |
Music by
| Nacho Méndez | ||
Cinematography by
| José Ortiz Ramos | ||
Editing by
| Carlos Savage | ||
Makeup Department
| Ana Lilia Rosas | ... | makeup artist |
| Teresa Sánchez | ... | hair stylist |
Second Unit Director or Assistant Director
| Mario Llorca | ... | assistant director |
Sound Department
| Abraham Cruz | ... | sound editor |
| Marc Orts | ... | re-recording mixer |
| René Ruiz Cerón | ... | re-recording mixer |
Special Effects by
| Marcelino Pacheco | ... | special effects |
Camera and Electrical Department
| Cirilo Rodríguez | ... | camera operator |
Costume and Wardrobe Department
| Enedina Bernal | ... | wardrobe |
Editorial Department
| Margarita Mejía | ... | negative cutter |
