Ambrosio is a monk who is sexually tempted by an emissary of the Devil, a young girl in monk's robes. After he has committed numerous crimes, it appears that he will be caught and punished by the Inquisition. Instead, he signs up on the Devil's team and wins his freedom.. and eventually, the papacy.
| Actor | Role |
|---|---|
 Franco NeroAmbrosio | Ambrosio |
 Nathalie DelonMathilde | Mathilde |
 Nicol WilliamsonThe Duke of Talamur | The Duke of Talamur |
 Nadja TillerElvira | Elvira |
 Eliana De SantisAntonia | Antonia |
 Agnès CapriNot listed | Not listed |
 Denis ManuelThe Great Inquisitor | The Great Inquisitor |
 Maria MachadoNot listed | Not listed |
 Philippe ClévenotNot listed | Not listed |
 Louise ChevalierNot listed | Not listed |
 Laure MoutoussamyNot listed | Not listed |
 Armand MeffreNot listed | Not listed |
 Elisabeth WienerAgnès | Agnès |
 Robertomoine nain | moine nain |