Next to Don't Look Now... We're Being Shot At! (1966) this was Louis de Funès biggest success in France.
Un drôle de paroissien (1963) also starring Bourvil ends in the same place in Paris where the accident in this movie occurs at the beginning .
A scene was filmed with Michèle Morgan but was cut from the final cut. It can now be seen on the DVD.
The vintage car driven by Bourvil is a '64 DeVille Cadillac.