Directed by
| Manuel Romero | ||
Writing Credits (in alphabetical order)
| Manuel Romero | ||
Cast (in credits order)
| Paulina Singerman | ... | Alcira García Méndez / Isabelita | |
| Tito Lusiardo | ... | Galíndez | |
| Sofía Bozán | ... | Elena | |
| Juan Carlos Thorry | ... | Luciano Fuentes | |
| Enrique Roldán | ... | Ricardo Pérez Rodríguez | |
| Carmen del Moral | ... | Emma Fuentes | |
| Alberto Bello | ... | Emilio García Méndez | |
 |
Roberto Blanco | ... | Raúl García Méndez |
|
|
Mary Dormal | ... | Dolores García Méndez |
|
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Rosa Martín | ... | Valentina's friend |
| Rest of cast listed alphabetically: | |||
|
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Alicia Aymont | ... | Mrs. Pérez Rodríguez (uncredited) |
| Adolfo Linvel | ... | Jeweler (uncredited) | |
Music by
| Rodolfo Sciammarella | ||
Cinematography by
| José María Beltrán | ||
Editing by
| Juan Soffici | ||
Production Design by
| Francisco Guglielmino | ||
Sound Department
| Juan M. Sanchez | ... | sound |
Music Department
| Francisco Balaguer | ... | musical director |
| Manuel Romero | ... | composer: theme music |
| Rodolfo Sciammarella | ... | composer: theme music |
Additional Crew
| Franz Prchal | ... | laboratory chief |
| Ángel Zavalia | ... | laboratory chief |
