It was the first and only time Patrick Dewaere accepted to play a cop in a movie. He played a judge 2 years later in 'Le juge Fayard dit le sheriff'
Patrick Dewaere was often late on the set, unlike Lino Ventura, who was always on time. The latest was really angry and annoyed because of this, had an argument with Dewaere who finally ceased being late on the set. They eventually became very close to each other.
Visa d'exploitation en France #44331
Italian censorship visa # 67813 delivered on 16 January 1976.