Directed by
| Alfredo Gurrola | ||
Writing Credits (in alphabetical order)
| Jorge Patiño | ||
| Paco Ignacio Taibo II | ... | (novel) |
| Paco Ignacio Taibo II | ... | (screenplay) |
Cast (in credits order)
| Pedro Armendáriz Jr. | ... | Héctor Belascoarán Shayne | |
| Julissa | ... | Elisa | |
| Ernesto Gómez Cruz | ... | Gilberto Gómez Letras | |
| Guillermo Murray | ... | Marques (as Guillermo Murray Mutis) | |
| Hilda Aguirre | ... | Chica de colita | |
| Juan Peláez | ... | Carlos Belascoaran | |
| Manuel 'Flaco' Ibáñez | ... | Javier Villarreal, el gallo | |
 |
Susana Kamini | ... | Mónica |
| Rest of cast listed alphabetically: | |||
|
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Pedro Ferriz | ... | Locutor T.V. (uncredited) |
|
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Blanca Lidia Muñoz | ... | Enfermera (uncredited) |
|
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Alicia Reyna | ... | Clienta ancianita de Shayne (uncredited) |
| Julieta Rosen | ... | Marina (uncredited) | |
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Paco Sañudo | ... | Hombre en telefono (uncredited) |
Produced by
| Eduardo Danel | ... | producer |
Music by
| Tomaso Albinoni | ... | (as Tommaso Albinioni) |
Cinematography by
| Antonio Ruiz | ||
Editing by
| Sergio Soto | ||
Makeup Department
| Graciela Muñoz | ... | makeup artist (as Graciela González) |
