A young playwright meets a girl he was once in love with. The young woman lives in terror in a supposedly haunted mansion, so she feels on the verge of madness…
| Directing | Pedro Luis Ramírez | Director |
| Writing | Enrique Jardiel Poncela | Theatre Play |
| Writing | Vicente Coello | Writer |
| Production | Manuel J. Goyanes | Executive Producer |
| Sound | Federico Contreras | Music |
| Camera | Emilio Foriscot | Director of Photography |
| Editing | José Antonio Rojo | Editor |
| Art | Enrique Alarcón | Set Decoration |
| Costume & Make-Up | Adela del Pino | Makeup Artist |
| Costume & Make-Up | Ricardo Vázquez | Makeup Artist |
| Production | Samuel Menkes | Production Manager |
| Directing | Ricardo Blasco | Assistant Director |
| Art | Francisco Rodríguez Asensio | Construction Coordinator |
| Sound | Fernando Bernáldez | Sound Engineer |
| Camera | Miguel Guzmán | Still Photographer |
| Camera | Antonio Ibañez | Still Photographer |
| Camera | Ricardo Navarrete | Camera Operator |
| Camera | Julio Ortas | Camera Operator |
| Directing | Juan Estelrich March | Script Supervisor |
| Production | Miguel Pérez Marián | Production Assistant |