At age 50, tax inspector Emerenziano decides to settle down and aims to the three Tettamanzi sisters, who, though not young or pretty by any means, have recently inherited a large amount of money.

Ugo Tognazzi
as Emerenziano Paronzini

Francesca Romana Coluzzi
as Tarsilla Tettamanzi

Milena Vukotić
as Camilla Tettamanzi

Angela Goodwin
as Fortunata Tettamanzi

Jean-Jacques Fourgeaud
as Paolino

Checco Rissone
as Mansueto Tettamanzi

Piero Chiara
as Pozzi

Valentine
as Caterina

Antonio Piovanelli
as Don Casimiro

Nazzareno Natale
as Errand boy