Léonard Monestier owns a large fortune, alas his wife Cynthia made a bad investment in a worthless oil concession. Far from letting this get him down, Léonard decides to find a sucker to buy this concession from him. Right on cue appears Antoine Brévin, a befuddled billionaire who is very interested in Léonard's beautiful daughter Patricia and would do anything to win her hand...
Louis de Funès
Léonard Monestier
Mireille Darc
Patricia Monestier
Roger Dumas
Paul Monestier
Jacqueline Maillan
Cynthia Monestier, la femme de Léonard
Daniel Ceccaldi
Pedro Castelli
Christian Marin
Charles
Guy Tréjean
Antoine Brévin
Philippe Nicaud
Simon Guilbaud
