The penniless Duke decides to participate in "Lascia o raddoppia", a TV quiz show, in order to win five million lira. Then two gangsters bet between themselves on his success and, alas, the Duke is kidnapped.
| Actor | Role |
|---|---|
 TotòDuca Gagliardo della Forcoletta | Duca Gagliardo della Forcoletta |
 Mike BongiornoSelf | Self |
 Dorian GrayHélène | Hélène |
 Valeria MoriconiElsa della Forcoletta | Elsa della Forcoletta |
 Gabriele TintiBruno Palmieri | Bruno Palmieri |
 Carlo CroccoloCamillo il maggiordomo | Camillo il maggiordomo |
 Rosanna SchiaffinoColomba | Colomba |
| EEdy CampagnoliSelf | Self |
| GGisella MonaldiBice | Bice |
 Luigi PaveseAnastasio | Anastasio |
 Elio PandolfiOsvaldo | Osvaldo |
 Gianna CobelliLa contessa | La contessa |
| RRocco D'AssuntaJoe Taccola | Joe Taccola |
 Vincent BarbiTommy | Tommy |
 Bruce CabotNick Molise | Nick Molise |
 Mirko BaiocchiNightclub Musician (uncredited) | Nightclub Musician (uncredited) |