For Pierre Brochant and his friends, Wednesday is “Idiots' Day”. The idea is simple: each person has to bring along an idiot. The one who brings the most spectacular idiot wins the prize. Tonight, Brochant is ecstatic. He has found a gem. The ultimate idiot, “A world champion idiot!”. What Brochant doesn’t know is that Pignon is a real jinx, a past master in the art of bringing on catastrophes...
| Directing | Francis Veber | Director |
| Writing | Francis Veber | Screenplay |
| Production | Alain Poiré | Producer |
| Camera | Luciano Tovoli | Director of Photography |
| Sound | Vladimir Cosma | Original Music Composer |
| Editing | Georges Klotz | Editor |
| Art | Hugues Tissandier | Production Design |
| Art | Gilles Boillot | Art Direction |
| Art | Sophie Campbell | Art Direction |
| Art | Alain Pitrel | Set Decoration |
| Costume & Make-Up | Jacqueline Bouchard | Costume Design |
| Sound | Bernard Bats | Sound Designer |
| Production | Françoise Menidrey | Casting |
| Costume & Make-Up | Gill Robillard | Makeup Artist |
