Directed by
| Pedro Lazaga | ||
Writing Credits (in alphabetical order)
| Juan Cobos | ||
| Miguel Rubio | ||
| Germán Ubillos | ... | (novel) |
Cast (in credits order)
| Mark Burns | ... | David Ortega | |
| Lynne Frederick | ... | Anna | |
| Charo López | ... | Irene | |
 |
Ricardo Merino | ... | Socio de David |
| Jorge Rigaud | ... | Doctor Vals | |
| Fernando Hilbeck | ... | Cirujano | |
| Adriano Domínguez | ... | Martin | |
| Concha Cuetos | ... | Adela (as Conchita Cuetos) | |
| Andrés Mejuto | ... | Padre de Anna | |
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Mayrata O'Wisiedo | ... | Madre de Anna |
| Juan Diego | ... | Doctor Aguirre | |
| Rest of cast listed alphabetically: | |||
|
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Paul Benson | ||
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Frank Clement | ||
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Concha Gómez Conde | ... | (as Conchita Gómez Conde) |
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José Lara | ||
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Mario Moreno | ||
| Alibe Parsons | ... | Singer (as Alibe) | |
Music by
| Antón García Abril | ||
Cinematography by
| Francisco Sempere | ||
Editing by
| Alfonso Santacana | ||
Additional Crew
| Félix Acaso | ... | voice dubbing: Jorge Rigaud (uncredited) |
| Matilde Conesa | ... | voice dubbing: Mayrata O'Wisiedo (uncredited) |
| José Ángel de Juanes | ... | voice dubbing: Fernando Hilbeck (uncredited) |
| Jesús Nieto | ... | voice dubbing: Mark Burns (uncredited) |
| Fernando Nogueras | ... | voice dubbing: Andrés Mejuto (uncredited) |
| Selica Torcal | ... | voice dubbing: Lynne Frederick (uncredited) |
