Directed by
| Gilberto Martínez Solares | ||
Writing Credits (in alphabetical order)
| Juan García | ... | (adaptation) |
| Gilberto Martínez Solares | ... | (story and adaptation) |
| Fernando de Fuentes | ... | (uncredited) |
Cast (in credits order)
| Germán Valdés | ... | Casimiro (as German Valdes Tin Tan) | |
| Yolanda Varela | ... | Paquita | |
| Lon Chaney Jr. | ... | La Momia / El Hombre Lobo (as Lon Chaney) | |
| Yerye Beirute | ... | Profesor Sebastián (as Yeyre Beirute) | |
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Óscar Ortiz de Pinedo | ... | DR. Lorenzo Salazar (psiquiatra) (as Oscar Ortiz De Pinedo) |
| Consuelo Guerrero de Luna | ... | Paciente de Salazar (as Consuelo Guerrero De Luna) | |
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Alfredo Wally Barrón | ... | Nacho (as Alfredo W. Barron) |
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Agustín Fernández | ... | Rito (as Augustin Fernandez) |
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Rafael Estrada | ... | Profesor Estrada |
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Dacia González | ... | Mesera (as Dacia Gonzales) |
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José Silva | ... | (as Silva y Trosky) |
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José Luis Aguirre 'Trotsky' | ... | (as Silva y Trosky) |
| Rest of cast listed alphabetically: | |||
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José Chávez Abundiz | ... | Policía (uncredited) |
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Jesús Gómez | ... | Policía asesinado (uncredited) |
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Ana María Hernández | ... | Doña María (Tía de Paquita) (uncredited) |
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Miguel Inclán hijo | ... | Policía (uncredited) |
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Mario Sevilla | ... | Anunciador conferencia (uncredited) |
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Fernando Yapur | ... | Hombre herido parque (uncredited) |
Produced by
| Fernando de Fuentes hijo | ... | producer |
Music by
| Luis Hernández Bretón | ||
Cinematography by
| Raúl Martínez Solares | ||
Editing by
| Carlos Savage | ||
Production Design by
| Jorge Fernández | ||
Set Decoration by
| Raúl Serrano | ||
Makeup Department
| Josefina Cárdenas | ... | hair stylist |
| Román Juárez | ... | makeup artist |
| G.J. Mitchell | ... | special makeup effects artist (as Lester André) |
Production Management
| Alberto A. Ferrer | ... | production chief (as Alberto Ferrer) |
| Carlos Noriega | ... | production manager |
Second Unit Director or Assistant Director
| José Luis Ortega | ... | assistant director (as Jose L. Ortega) |
| Winfield Sánchez | ... | sub-director |
Sound Department
| José de Pérez | ... | dialogue recordist |
| Enrique Rodríguez | ... | sound director |
Special Effects by
| Jorge Benavides | ... | special effects (as Benavides) |
Camera and Electrical Department
| Carlos Nájera | ... | lighting technician |
Editorial Department
| Abraham Cruz | ... | synchronization editor |
| Sigfrido García | ... | assistant editor |
Music Department
| Luis Demetrio | ... | composer: songs "Casimiro" and "El Pan y La Leche" |
| Luis Hernández Bretón | ... | musical director |
Additional Crew
| Eduardo Mendoza | ... | titles |
