Two detectives are hired to discover if a rich industrialist is having an affair. The detectives pose as a gay butler and as a female cook in order to spy on all of the happenings within the house.
| Actor | Role |
|---|---|
 Renzo MontagnaniDiogene Colombo | Diogene Colombo |
 Paola SenatoreSimona Beltramelli | Simona Beltramelli |
 Alvaro VitaliAroldo / Carlotta / Gigetto | Aroldo / Carlotta / Gigetto |
 Mario Carotenutocommendator Cesare Beltramelli | commendator Cesare Beltramelli |
 Stefano AmatoBeniamino | Beniamino |
 Lory Del Santocameriera Irma | cameriera Irma |
 Angie Vibekercameriera Emma | cameriera Emma |
 Vittorio De BisognoAnselmo | Anselmo |
 Franco Caracciolotravestito | travestito |
| RRonald MardenbroNot listed | Not listed |
 Franca Mantelliospite cena | ospite cena |
 Rina MascettiNot listed | Not listed |
 Giulio MassiminiNot listed | Not listed |
| RRaimondo PenneNot listed | Not listed |
 Jimmy il Fenomenobenzinaio (come Origene Soffrano) | benzinaio (come Origene Soffrano) |
 Danila Trebbiprima cliente | prima cliente |
 Sabrina Sianisignorina Francesca (uncredited) | signorina Francesca (uncredited) |
| LLina Franchisuora al ristorante (uncredited) | suora al ristorante (uncredited) |