La Vache et le Prisonnier (1959)
La Vache et le Prisonnier (English version: "The Cow and I") is a French-Italian tragicomedy film from 1959 starring Fernandel and directed by Henri Verneuil. The story was based on Jacques Antoine's novel, Une histoire vraie. It is considered to be a classic and one of Fernandel's most iconic and popular films. It was Fernandel's highest grossing film ever in 1959.
More at Wikipedia.