A cop has a cousin who is a thief, and one day while he is chasing him he ends up in a room with a murdered man. The two are photographed at the murder scene and believed to be the assassins. The police however believe in their innocence and send the odd couple on the trail of the real murderer who is thought to be working in a circus.
| Actor | Role |
|---|---|
 Franco FranchiFranco Chiappalone | Franco Chiappalone |
 Ciccio IngrassiaCiccio Chiappalone | Ciccio Chiappalone |
 Giusi Raspani DandoloSantuzza | Santuzza |
 Gianni AgusUomo nell'aeroporto | Uomo nell'aeroporto |
 Umberto D'OrsiDirettore del circo | Direttore del circo |
 Adriano MicantoniUfficiale di polizia | Ufficiale di polizia |
 Barbara NelliBettina | Bettina |
 Ignazio LeoneCaputo | Caputo |
 Fortunato ArenaNot listed | Not listed |
| SSpartaco BattistiNot listed | Not listed |
 Giorgio DolfinNot listed | Not listed |
 Tom FelleghyManager Interpol | Manager Interpol |
 Leo GaveroNot listed | Not listed |
| TTony SantanielloNot listed | Not listed |