Directed by
| Rafael Portillo | ||
Writing Credits (in alphabetical order)
| Alfredo Salazar | ... | (story and adaptation) |
Cast (in credits order)
| Armando Silvestre | ... | Molo | |
| Alma Delia Fuentes | ... | Laura | |
| Manolo Fábregas | ... | Profesor (as Manolo Fabregas) | |
| Elsa Cárdenas | ... | Esther | |
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Genaro Moreno | ... | Pablo (as Jenaro Moreno) |
| Crox Alvarado | ... | Caveman | |
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Cavernario Galindo | ... | Caveman |
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Jesús Murcielago Velázquez | ... | Caveman |
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Cecilia Leger | ... | Misha (as Maria Cecilia Leger) |
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Xochitl del Rosario | ... | (as Xochil Flores) |
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Reyes Oliva | ||
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Julie Janssen | ... | Cavewoman (as July Jantzen) |
| Rest of cast listed alphabetically: | |||
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Victorio Blanco | ... | Old Caveman (uncredited) |
Produced by
| Guillermo Calderón | ... | producer (as Guillermo Calderon Stell) |
Music by
| Gustavo César Carrión | ... | (as Gustavo Cesar Carreon) |
Cinematography by
| Agustín Jiménez | ||
Editing by
| Jorge Bustos | ||
Production Design by
| Javier Torres Torija | ||
Set Decoration by
| Raúl Serrano | ||
Makeup Department
| Elda Loza | ... | makeup artist |
Production Management
| Jorge Cardeña | ... | production chief |
| Alfredo Salazar | ... | production manager |
Second Unit Director or Assistant Director
| Manuel Ortega | ... | sub-director |
Sound Department
| James L. Fields | ... | sound supervisor |
| José Li-ho | ... | sound editor |
| Galdino R. Samperio | ... | sound re-recordist (as Galdino Sampeiro) |
| Rodolfo Solís | ... | dialogue recordist |
Special Effects by
| Antonio Muñoz Ravelo | ... | special effects (as Antonio Muñoz) |
Visual Effects by
| Roy Seawright | ... | photographic effects (archive footage) (uncredited) |
Editorial Department
| Joaquín Ceballos | ... | assistant editor |
Additional Crew
| Gustavo Andrade | ... | titles |
