Directed by
| Rafael Baledón | ||
Writing Credits
| Ramón Obón | ... | (story) |
| Ramón Obón | ... | (adaptation) |
Cast (in credits order)
| Armando Silvestre | ... | Rogelio | |
 |
Alicia Caro | ... | Margarita |
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Rodolfo Landa | ... | Dr. Henry Williams |
| Pedro de Aguillón | ... | Eduardo Mendoza (as Pedro d'Aguillon) | |
|
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Carlos Martínez Baena | ... | Dr. Everardo Fuentes |
| Sara Guasch | ... | Dueña del cabaret Media Luna (as Sara Guash) | |
| Rafael Banquells | ... | Camarero (as Rafael Banquels) | |
|
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Carlos Múzquiz | ... | Esbirro jefe de la Mano Negra |
|
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Roger López | ... | Guardabosque |
| Yerye Beirute | ... | Igor (as Garye Beyrute) | |
|
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Guillermo Hernández | ... | Esbirro de la Mano Negra (as Lobo Negro) |
|
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Vicente Lara | ... | Esbirro de la Mano Negra (as Indio Cacama) |
|
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Mano Negra | ... | La Mano Negra |
| Fernando Osés | ... | La Sombra (as La Sombra) | |
| Rest of cast listed alphabetically: | |||
|
|
León Barroso | ... | (uncredited) |
|
|
Emilio Garibay | ... | (uncredited) |
Produced by
| Luis Manrique | ... | producer |
Music by
| Sergio Guerrero | ||
Cinematography by
| Agustín Martínez Solares | ... | director of photography |
Editing by
| Juan José Marino | ||
Set Decoration by
| Rafael Suárez | ||
Makeup Department
| Margarita Ortega | ... | makeup artist |
Production Management
| Javier Bueno | ... | production manager |
| Luis Sánchez Tello | ... | unit manager |
Second Unit Director or Assistant Director
| Felipe Palomino | ... | assistant director |
Sound Department
| James L. Fields | ... | sound director |
| Reynaldo P. Portillo | ... | sound editor (as Reynaldo Portillo) |
| Galdino R. Samperio | ... | sound re-recordist (as Galdino Samperio) |
| Rodolfo Solís | ... | dialogue recordist |
Special Effects by
| Jorge Benavides | ... | special effects |
Camera and Electrical Department
| Carlos Carbajal | ... | camera operator |
| José Antonio Carrasco | ... | camera operator (as J. Antonio Carrasco) |
| Juan Durán | ... | lighting technician |
Music Department
| Galdino R. Samperio | ... | music recordist (as Galdino Samperio) |
