A painter facing a creative block arranges to spend the weekend in the country at his mistress's villa. While staying there, his sanity begins to disintegrate.
| Actor | Role |
|---|---|
 Franco NeroLeonardo Ferri | Leonardo Ferri |
 Vanessa RedgraveFlavia | Flavia |
 Georges GéretAttilo | Attilo |
 Gabriella BoccardoWanda | Wanda |
 Madeleine DamienWanda's Mother | Wanda's Mother |
 Valerio RuggeriTony, the Butcher | Tony, the Butcher |
 Rita CalderoniEgle | Egle |
| RRenato MenegottoEgle's Friend | Egle's Friend |
| BBruna SimionatoNot listed | Not listed |
| RRenato LupiNot listed | Not listed |
 Umberto Di GraziaNot listed | Not listed |
| GGiuseppe BellaNot listed | Not listed |
| AArnaldo MomoNot listed | Not listed |
| OOtello CazzolaNot listed | Not listed |
 Camillo BesenzonNot listed | Not listed |