Enrico Melotti, a middle-aged businessman, has a difficult relationship with his wife, maid and secretary/lover. During a business trip to America, his friend Arturo shows him the key to solving all of his problems: Caterina, a female-looking robotic maid that does all domestic chores better than any human.
| Actor | Role |
|---|---|
 Alberto SordiEnrico Menotti | Enrico Menotti |
 Edwige FenechElisabetta | Elisabetta |
 Valeria ValeriMarisa Menotti | Marisa Menotti |
 Catherine SpaakClaudia Parise | Claudia Parise |
 Rossano BrazziArthur | Arthur |
 Victoria ZinnySusan, a Pamela employee | Susan, a Pamela employee |
| SSusan ScheererPamela, the entrepreneur | Pamela, the entrepreneur |
| AAndrew I. MillerThe American engineer | The American engineer |
 Elisa MainardiTeresa, the maid | Teresa, the maid |
 Ugo BolognaThe man on the plane | The man on the plane |
 Sandra MantegnaNot listed | Not listed |
 Andrea GneccoNot listed | Not listed |
| LLaura FranciNot listed | Not listed |
| DDanuta ChawalekNot listed | Not listed |
| FFiorella BuffaFeminist woman on the plane | Feminist woman on the plane |
 Frank NuyenEmployee of the robot corporation (uncredited) | Employee of the robot corporation (uncredited) |