Two penniless cousins have a common passion: to be inventors, but they never managed to make money out of their patents. Their only hope is represented by their hateful and rich uncle.
| Actor | Role |
|---|---|
 Max CavallariMax / Enrica | Max / Enrica |
 Bruno ArenaBruno / zia Federica | Bruno / zia Federica |
 Giustino DuranoZio Giannangelo | Zio Giannangelo |
 Sonia AquinoMaura | Maura |
 Gianni FerreriMicione | Micione |
 Adelaide AsteSoraia | Soraia |
| SSergio BaraccoTelevenditore | Televenditore |
 Andrea BruschiHotel Clerk | Hotel Clerk |
 Achille BrugniniPubblico ministero | Pubblico ministero |
 Andrea GolinoCarabiniere | Carabiniere |
| RRina Jolanda BaroniNot listed | Not listed |
 Albano BufaliniNot listed | Not listed |
| GGianni Colini BaldeschiNot listed | Not listed |
| RRaffaele CuriNot listed | Not listed |
| MMaria Dolores GenoliniNot listed | Not listed |
 Franca MaresaNot listed | Not listed |
 Michele MelegaNot listed | Not listed |
| DDomenico OrsiniNot listed | Not listed |
 Elisabetta PelliniNot listed | Not listed |
 Enrico SalimbeniNot listed | Not listed |
| VVincenzo SavinoNot listed | Not listed |
 Corrado SolariNot listed | Not listed |
 Sergio TardioliNot listed | Not listed |
 Joska VersariNot listed | Not listed |