Directed by
| Servando González | ||
Writing Credits (in alphabetical order)
| Rafael García Travesi | ||
| Servando González | ||
| Mario Martini | ... | (novel) |
Cast (in credits order)
| José Elías Moreno | ... | Lorenzo Montes | |
| David Reynoso | ... | Manuel Iglesias | |
| Jorge Martínez de Hoyos | ... | Ulalio | |
| Fernando Luján | ... | Ingeniero Julio | |
 |
Rodolfo Landa | ... | Ingeniero Fernández |
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Eleazar García | ... | Picuy (as E. Garcia 'Chelelo') |
| Enrique Aguilar | ... | Ingeniero Antonio López | |
| Roberto Cobo | ... | Ingeniero Carlos Jiménez | |
| José Torvay | ... | Nabor Camargo | |
| José Carlos Ruiz | ... | Pablo Penagos | |
| Manuel Dondé | ... | Tata Lupe | |
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Marianela Peña | ... | La Venada |
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Guillermo Sánchez | ... | Juanjo (as niño Guillermo Sanchez) |
| Gerardo Zepeda | ... | Javier Santana, el pequeño | |
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Guillermo Álvarez Bianchi | ... | El griego |
| Aarón Hernán | ... | Telegrafista | |
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Dario Vivian | ||
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Magdaleno Barba | ||
| Enrique Lizalde | ... | Jorge Iglesias | |
| Rest of cast listed alphabetically: | |||
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Salvador Lozano | ... | Funcionario (uncredited) |
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Miguel Suárez | ... | Funcionario (uncredited) |
Produced by
| Luis García de León | ... | executive producer |
| César Santos Galindo | ... | producer |
Music by
| Gustavo César Carrión | ||
Cinematography by
| Agustín Jiménez | ||
| Alex Phillips | ||
Editing by
| Jorge Bustos | ||
Art Direction by
| Manuel Fontanals | ||
Makeup Department
| Román Juárez | ... | makeup artist |
Production Management
| Alberto A. Ferrer | ... | production manager |
Second Unit Director or Assistant Director
| Jesús Marín | ... | assistant director |
Sound Department
| Francisco Alcayde | ... | sound engineer |
| Galdino R. Samperio | ... | sound engineer |
