The Baron of the Locks
Le baron de l'écluse (original)
Starring Jean Gabin, Micheline Presle, Jacques Castelot, Jean Desailly, Blanchette Brunoy, Aimée Mortimer, Jean Constantin, Robert Dalban, Jacques Hilling, Pierre Louis
Watch "The Baron of the Locks" on Mubi released in 1960. It's a comedy movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.