A secret service agent is sent to investigate various acts of sabotage.
| Actor | Role |
|---|---|
 Piero LulliGuido | Guido |
 Maria FrauGilda | Gilda |
 Tamara LeesBarbara | Barbara |
 Tonio SelwartPeter | Peter |
| AAdalberto RoniEnrico | Enrico |
| EEdoardo AntonLorenzo | Lorenzo |
| FFilippo ScelzoNot listed | Not listed |
 Fausto GuerzoniFalconiere | Falconiere |
 Renato MalavasiNot listed | Not listed |
 Amedeo TrilliDon Luigi | Don Luigi |
 Armando AnnualeSacerdote | Sacerdote |