- Life Imitates Art: In the film Philippe Bouvard is the host of Tous les coups sont permis, a TV show that puts two people who do not like each other face to face. Later, Bouvard will create a similar show in real life, L'Huile sur le feu.
- Reality Subtext: After finding out his son's secret clown career, Charles Duchemin tries to get furious, but because of his recent food poisoning, he cannot find the strength and complains that he "can't get mad any more". The movie was filmed following De Funès's first heart attack, after which he had to tone down his infamous Nervous Wreck persona.
- What Could Have Been: Pierre Richard was the first choice to play Charles Duchemin's son.
Trivia / The Wing or the Thigh