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José Luis López Vázquez as Ramiro Peláez |
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Esperanza Roy as Blanca, la mujer de Ramiro |
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Pepe Rubio as Héctor Villarreal, novelista |
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Josele Román as Mónica, la criada amnésica |
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Rafael Alonso as Camilo |
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Valeriano Andrés as Dr. Anastasio Fonseca |
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Mary Paz Pondal as Dora, la mujer de Camilo |
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Manuel Alexandre as Sr. Perales, el profesor |
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Margot Cottens as Doña Úrsula 'Tita', tía de Camilo |
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Santiago Ontañón as Don Félix |
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Lone Fleming as Anita, la criada |
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Luis Giménez as |
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Paquita Villalba as Nina, la protegida de Don Félix |
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Simón Ramírez Fernández as Héctor Villareal (voice) (uncredited) |
| Directing | Pedro Lazaga Sabater | Director |
| Writing | Pedro Lazaga Sabater | Writer |
| Camera | Manuel Rojas | Director of Photography |
| Directing | José Luis Pérez Tristán | Assistant Director |
| Editing | Alfonso Santacana | Editor |
| Camera | Luis E. Ibáñez | Still Photographer |
| Production | Francisco García Gárgoles | Production Assistant |
| Writing | Luis G. de Blain | Writer |
| Writing | Enrique Jardiel Poncela | Writer |
| Sound | Antón García Abril | Music |
| Costume & Make-Up | Alejandro Millón | Assistant Makeup Artist |
| Camera | Eduardo Pérez Climent | Assistant Camera |
| Camera | Miguel Agudo | Camera Operator |
| Editing | Pilar Millán | Assistant Editor |
| Costume & Make-Up | Consuelo Zahonero | Hairstylist |
| Production | Francisco Lara Polop | Production Manager |
| Editing | Alicia Castillo | Assistant Editor |
