A couple experience some difficulties in their sex life when a German au pair girl arrives.
| Actor | Role |
|---|---|
 Marina HedmanKrista - Karl's wife | Krista - Karl's wife |
 Giuseppe CuriaLea's lover | Lea's lover |
 Nadine RoussialLea - the maid | Lea - the maid |
 Catherine RingerThe Au Pair Girl | The Au Pair Girl |
 Laura LeviStefania the wife | Stefania the wife |
 Erminio Bianchi FasaniKarl, the industrialist | Karl, the industrialist |
| FFrançoise FloreNot listed | Not listed |
| CCaroline AudisioNot listed | Not listed |
 Mara BronzoniNot listed | Not listed |
| DDiala CarusoNot listed | Not listed |
 Brunello ChiodettiThe husband | The husband |
| AAlfonso GaitaThe garage mechanic | The garage mechanic |
 Enzo GarineiNot listed | Not listed |
 Rodolfo LicariNot listed | Not listed |
 Enzo PulcranoNot listed | Not listed |
 Zaira ZocchedduNot listed | Not listed |