Directed by
| Julián Soler | ||
Writing Credits (in alphabetical order)
| José María Fernández Unsáin | ||
| Alfredo Varela | ... | (as Alfredo Varela Jr.) |
Cast (in credits order)
| Germán Valdés | ... | Pacifico otero (as German Valdes 'Tin-Tan') | |
 |
Manuel 'Loco' Valdés | ... | Doctor Lucas (as Manuel 'Loco Valdes') |
| Sonia Furió | ... | Lucía | |
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Verónica Loyo | ... | Marilú Otero |
| Andrés Soler | ... | Doctor Ivanov | |
| David Silva | ... | Profesor Jones | |
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Agustín Isunza | ... | Enfermero |
| Consuelo Guerrero de Luna | ... | Doña Angustias, mamá de Marilú | |
| Elizabeth Dupeyrón | ... | La chilindrina | |
| Rest of cast listed alphabetically: | |||
|
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Raúl Guerrero | ... | (uncredited) |
| Nathanael León | ... | (uncredited) | |
|
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Ángel Merino | ... | Policía (uncredited) |
|
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Imelda Miller | ... | (uncredited) |
|
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Salvador Terroba | ... | (uncredited) |
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José Wilhelmy | ... | (uncredited) |
Produced by
| Heberto Dávila Guajardo | ... | executive producer (as Heberto Davila G.) |
| Jesús Sotomayor Martínez | ... | producer |
Music by
| Chucho Zarzosa | ... | (as Jesus Zarzosa) |
Cinematography by
| Raúl Martínez Solares | ||
Editing by
| Raul Liho | ||
| Juan José Marino | ||
Production Design by
| Javier Torres Torija | ||
Set Decoration by
| Carlos Grandjean | ... | (as Carlos Granjan) |
Makeup Department
| Armando Meyer | ... | makeup artist (as Mayer) |
Production Management
| Antonio Guerrero Tello | ... | production manager |
| Nicolás Reyero | ... | assistant production manager (as Mayor Nicolas Reyero) |
Second Unit Director or Assistant Director
| Jaime Contreras | ... | assistant director |
Sound Department
| Enrique Rodríguez | ... | sound recordist (as Ing. Enrique Rodriguez) |
| Rafael Ruiz Esparza | ... | dialogue recordist (as Ing. Esparza) |
Special Effects by
| Ricardo Sáinz | ... | special effects (as Saenz) |
Camera and Electrical Department
| Miguel Arana | ... | lighting technician (as Miguel Araña) |
| Ángel Corona | ... | still photographer |
| Mario Diver | ... | assistant camera |
| Cirilo Rodríguez | ... | camera operator |
Editorial Department
| Raúl Portillo | ... | synchronization editor |
Script and Continuity Department
| Javier Carreño | ... | script supervisor |
