A lesbian couple on vacation ends up staying with a sinister woman and her strange son in this Spanish giallo.
| Actor | Role |
|---|---|
 Ovidi MontllorThe Mute | The Mute |
 Mirta MillerMaría Domènech | María Domènech |
 Diana ConcaLaura | Laura |
| VVicky PalmaAndrea (as Viky Palma) | Andrea (as Viky Palma) |
| RRosa RomeroNorma | Norma |
| CCarlos VillafrancaMario | Mario |
 Vicenç Manel DomènechPadre María (as Vicente Domenech) | Padre María (as Vicente Domenech) |
| GGloria SanchoSecretaria | Secretaria |
| RRamon FerreNot listed | Not listed |