Directed by
| José Díaz Morales | ||
Writing Credits (in alphabetical order)
| Augusto Benedico | ... | (collaboration) |
| José Díaz Morales | ... | (writer) |
| Ulises Petit de Murat | ... | (writer) |
Cast (in credits order)
| Luz María Aguilar | ... | Beatriz / Laura | |
| Joaquín Cordero | ... | Dr. Ricardo Andrade | |
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Olivia Michel | ... | Paciente teme microbios |
| Arturo Correa | ... | Dr. Silva | |
| Sara Guasch | ... | Eduviges (as Sara Guash) | |
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Virginia Manzano | ... | Madre Enriqueta |
| Yolanda Mérida | ... | Aurora | |
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Berta Cervera | ... | Encargada de hotel |
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Armando Arriola | ... | Paciente anciano |
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Armando Gutiérrez | ... | Paciente manda mensajes (as Eduardo Gutiérrez) |
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José Chávez | ... | Paciente boxeador |
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Hilda Vilalta | ||
| Ada Carrasco | ... | Lola | |
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Celia Manzano | ... | Paciente |
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Bucky Gutierrez | ... | La paciente que canta |
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Olga Rosas | ||
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Roberto Meyer | ... | Paciente religioso |
| Augusto Benedico | ... | Dr. Gustavo Ortiz, señor director | |
| Magda Guzmán | ... | Elvira | |
| Rest of cast listed alphabetically: | |||
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Armando Acosta | ... | Paciente en iglesia (uncredited) |
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Lidia Franco | ... | Paciente no respira (uncredited) |
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Cecilia Leger | ... | Empleada manicomio (uncredited) |
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Velia Lupercio | ... | Paciente (uncredited) |
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Rubén Márquez | ... | Paciente en iglesia (uncredited) |
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Celia Tejeda | ... | Enfermera (uncredited) |
Produced by
| Pedro A. Calderón | ... | producer |
Music by
| Antonio Díaz Conde | ||
Cinematography by
| Raúl Martínez Solares | ||
Editing by
| Gloria Schoemann | ||
Production Design by
| Gunther Gerszo | ||
Makeup Department
| Josefina Cárdenas | ... | hair stylist |
| Concepción Zamora | ... | makeup artist |
Production Management
| Jorge Cardeña | ... | production chief |
| Jorge Mondragón | ... | production manager |
Second Unit Director or Assistant Director
| Moisés Delgado | ... | assistant director (as Moises M. Delgado) |
Sound Department
| Eduardo Arjona | ... | dialogue recordist |
| James L. Fields | ... | sound supervisor |
Special Effects by
| Ricardo Sáinz | ... | special effects |
Camera and Electrical Department
| Othón Argumedo | ... | still photographer |
| Mario Diver | ... | assistant camera |
| Carlos Nájera | ... | lighting technician |
| Cirilo Rodríguez | ... | camera operator |
Music Department
| Galdino R. Samperio | ... | music recordist (as Galdino Samperio 'Crucy') |
Additional Crew
| Nicolás Rueda hijo | ... | titles (as Nicolás Rueda Jr.) |