Using interviews and filmed reconstructions, the director analyzes eroticism from the period of breastfeeding, in which the newborn feels pleasure from contact with the mother's breast until reaching adulthood.
| Actor | Role |
|---|---|
 Gianrico TedeschiNarrator | Narrator |
| LLina FranchiProstitute from Bologna | Prostitute from Bologna |
 Teodoro CorràParking attendant | Parking attendant |
 Gianni PuloneAthlete | Athlete |
 Mirella PamphiliNot listed | Not listed |
 Edmund PurdomNarrator of English version | Narrator of English version |