Directed by
| Alfredo B. Crevenna | ||
Writing Credits (in alphabetical order)
| Janet Alcoriza | ... | (story) |
| Luis Alcoriza | ... | (story) |
| Edmundo Báez | ... | (adaptation) |
| Edmundo Báez | ... | (story) |
| Egon Eis | ... | (adaptation) |
Cast (in credits order)
| Libertad Lamarque | ... | Isabel / Issa Valetti | |
| Emilia Guiú | ... | Amanda | |
| José María Linares-Rivas | ... | Federico Montero (as José María Linares Rivas) | |
| Xavier Loyá | ... | Raúl, adulto | |
| Francisco Jambrina | ... | Marcos | |
 |
José Pidal | ... | Vázquez, empresario |
|
|
Alejandro Ciangherotti | ... | Antonio Quintero |
| María Gentil Arcos | ... | Lupe, nana | |
| Amparo Arozamena | ... | Pepita | |
|
|
Meneses y Francioli | ||
| Rest of cast listed alphabetically: | |||
|
|
Victorio Blanco | ... | Teatrero (uncredited) |
|
|
Gloria Cansino | ... | Empleada teatro (uncredited) |
| Elisa Christy | ... | Gloria (uncredited) | |
|
|
Manuel de la Vega Jr. | ... | Raulito (uncredited) |
|
|
Álvaro Matute | ... | Empleado teatro (uncredited) |
|
|
Roberto Meyer | ... | Comisario (uncredited) |
|
|
Lina Otero | ... | Empleada teatro (uncredited) |
|
|
Nicolás Rodríguez hijo | ... | Raúl, niño (uncredited) |
|
|
Rafael Torres | ... | Carlo (uncredited) |
|
|
Acela Vidaurri | ... | Empleada teatro (uncredited) |
Produced by
| Óscar Dancigers | ... | producer |
Music by
| Manuel Esperón | ||
Cinematography by
| José Ortiz Ramos | ||
Editing by
| Carlos Savage | ||
Production Design by
| Edward Fitzgerald | ||
Makeup Department
| Sara Herrera | ... | makeup artist |
| José Jurado | ... | hair stylist |
Production Management
| Federico Amérigo | ... | production manager |
| Fidel Pizarro | ... | production chief |
Second Unit Director or Assistant Director
| Ignacio Villareal | ... | assistant director (as Ignacio Villarreal) |
Sound Department
| Francisco Alcayde | ... | dialogue recordist |
| Jesús González Gancy | ... | sound director (as Jesus Gonzalez G.) |
Camera and Electrical Department
| Manuel González | ... | camera operator |
Editorial Department
| Alberto Valenzuela | ... | assistant editor (as Alberto E. Valenzuela) |
Music Department
| Manuel Esperón | ... | musical director |
Additional Crew
| William W. Claridge | ... | laboratory director |
| Antonio de Salazar | ... | administrator |
