Alicia lives off the men she blackmails with the help of her neighbor, the young Moisés. His victims include his boss, a friend of his, Jaime, and Mr. Borrás. One day she is found dead on the landing of the stairs.
| Actor | Role |
|---|---|
 Javier EscriváJaime | Jaime |
 Pilar VelázquezAlicia | Alicia |
 Fernando SanchoComisario | Comisario |
 Daniel MartínMoisés | Moisés |
 Alberto FernándezJulián | Julián |
| EEnric CasamitjanaEmilio | Emilio |
 Emilio LagunaAlfonso | Alfonso |
 Venancio MuroDiego | Diego |
| FFrancisco José EscriváInspector de policía | Inspector de policía |
| JJordi TorrasDon Luis (as Jorge Torras) | Don Luis (as Jorge Torras) |
| RRafael AngladaSacerdote | Sacerdote |
 José RiesgoSeñor Borrás | Señor Borrás |
 Paquita FerrándizNot listed | Not listed |
 Florencio CalpeDirector Banca Catalana | Director Banca Catalana |
| MManuel BronchudDirector del Banco | Director del Banco |
 Josep CastilloAbogado de Jaime | Abogado de Jaime |
 Elisenda RibasPaca | Paca |
 Consuelo de NievaNot listed | Not listed |
| EEstela DelgadoNot listed | Not listed |
| CCarles LloretNot listed | Not listed |
| AAldara MinettoNot listed | Not listed |
| MMara VadorNot listed | Not listed |
| JJuan PatiñoNot listed | Not listed |
| EEmilio RamosNot listed | Not listed |
| EEsteban DalmasesMiembro de la junta (uncredited) | Miembro de la junta (uncredited) |