Carlo Barlozzetti, a silly waiter, lives alone in an apartment located across a bank which a Professor and his followers try to robe. While The Professor intends to steal a ring packed with a precious and secret metal alloy guarded in A safety deposit box, his men want to take the money from the safe.
| Actor | Role |
|---|---|
 Lando BuzzancaCarlo Barazzetti | Carlo Barazzetti |
 Teresa GimperaUrsula | Ursula |
 Guy DeghyProfessore | Professore |
 Cristina GaïoniNot listed | Not listed |
 Tito GarcíaColombiano | Colombiano |
 Linda SiniMargot | Margot |
| FFrancisco SanzGiorgio | Giorgio |
 Mario PisuNot listed | Not listed |
 Marisa TraversiNot listed | Not listed |
| FFranco MoruzziNot listed | Not listed |
| TTomás TorresNot listed | Not listed |
| FFred CoplanKowalski | Kowalski |
| FFernando RubioNot listed | Not listed |
 Pippo StarnazzaSfinge | Sfinge |
| CCarmen GiraldesNot listed | Not listed |
 Aldo SalaNot listed | Not listed |
| MManuel MuñizChirurgo | Chirurgo |
| MMaría Dolores RubioNot listed | Not listed |