A scientist combines two brains during an operation to create one perfect mind.
| Actor | Role |
|---|---|
 Laura GoreAnna | Anna |
 Marisa MerliniGemma | Gemma |
| RRenato MarianiIl Cavaliere | Il Cavaliere |
 Clelia MataniaMarta | Marta |
 Paul MüllerIl Pazzo Megalomane | Il Pazzo Megalomane |
 Lamberto PicassoLo Scienziato | Lo Scienziato |
 Virgilio RientoAugusto | Augusto |
 Carlo CroccoloPasquale | Pasquale |
 Leopoldo ValentiniIl Ciabattino | Il Ciabattino |
| GGisella MonaldiNot listed | Not listed |
 Jone MorinoNot listed | Not listed |
| CClaudio VillaNot listed | Not listed |
 Nerio BernardiNot listed | Not listed |
 Alberto SorrentinoNot listed | Not listed |
 Gigi RederNot listed | Not listed |
 Marcella RovenaNot listed | Not listed |
| CCiro BerardiNot listed | Not listed |
 Marcello MartanaNot listed | Not listed |