Bed for Two; Rendezvous with Luck (1950)
Bed for Two; Rendezvous with Luck, is a French comedy film from 1950, directed by Emil-Edwin Reinert, written by André-Paul Antoine, and starring Henri Guisol. The film features Louis de Funès. It is based on Gilles Dupé's novel "Le lit à deux places".
More at Wikipedia.