Directed by
| Jaime Camino | ||
Writing Credits
| Román Gubern | ... | (as Roman Gubern) and |
| Jaime Camino | ||
| Alvah Bessie | ||
Cast (in credits order)
 |
Manuela Vargas | ... | María |
| Mark Stevens | ... | Dr. David Foster | |
| Marianne Koch | ... | Kathy Foster | |
|
|
Enrique Giménez 'El Cojo' | ... | Maestro Miguel (as Enrique 'el cojo') |
|
|
Luis Serret | ... | Manuel Oliver |
| Luis Ciges | ... | Padre Jacinto (as Luis Cijes) | |
|
|
Joaquín Pujol | ... | Hijo de Manuel |
| Alberto Berco | ... | Dr. Gavotty | |
|
|
Alberto Puig | ... | Dr. Tomás (as Alberto Puig Palau) |
|
|
Flor de Bethania | ... | Teresa (as Flor de Bethania A.T.C.) |
|
|
Manuel Muñiz | ... | Hombre Extraño (as Pajarito) |
| Pere Portabella | ... | Dr. Sanpons (as Pedro Portabella) | |
|
|
Fosforito | ... | Cantante |
|
|
Pedro Sevilla | ... | Guitarrista (as Pedrito Sevilla) |
|
|
Manolo Brenes | ... | Guitarrista |
|
|
Salvador Gratacos | ... | Flautista (as Salvador Gratacós) |
| Rest of cast listed alphabetically: | |||
|
|
Alvah Bessie | ||
|
|
Manuel Delgado | ||
|
|
Antonio Gudet | ||
|
|
Eduardo Lizarza | ||
|
|
Anne Settimó | ||
| Francisco Rabal | ... | Reportero (uncredited) | |
|
|
Pedro Sempson | ... | Manuel Oliver (voice) (uncredited) |
Produced by
| Jaime Fernández-Cid Fenollera | ... | producer (as Jaime Fernández-Cid) |
| Juan Carlos Victorica | ... | associate producer |
Music by
| Xavier Montsalvatge | ||
Cinematography by
| Luis Cuadrado | ||
Editing by
| Teresa Alcocer | ||
Set Decoration by
| Juan León | ||
Costume Design by
| Dolores Tutusaus | ||
Makeup Department
| Práxedes Martínez | ... | makeup artist |
Second Unit Director or Assistant Director
| José Luis Ruiz Marcos | ... | assistant director |
Sound Department
| Javier Larrahindo | ... | sound editor |
| Jaime Velasco | ... | sound editor |
Camera and Electrical Department
| José Antonio Villalba | ... | second assistant camera (as José Villalba) |
Editorial Department
| María Luisa Pino | ... | first assistant editor |
Additional Crew
| Enrique Giménez 'El Cojo' | ... | dance supervisor: Manuela Vargas (as Enrique 'El Cojo') |
| José Luis Baltanás | ... | voice dubbing (uncredited) |
| Eduardo Calvo | ... | voice dubbing: Enrique Giménez 'El Cojo' (uncredited) |
| Benjamín Domingo | ... | voice dubbing (uncredited) |
| Julio Goróstegui | ... | voice dubbing (uncredited) |
| Josefina de Luna | ... | voice dubbing: Manuela Vargas (uncredited) |
| Claudio Rodríguez | ... | voice dubbing: Joaquín Pujol (uncredited) |
| Pedro Sempson | ... | voice dubbing: Luis Serret (uncredited) |
