Ralf Milan, a hitman, arrives in Montpellier to kill an important witness. He checks in a hotel without knowing that his neighbour has become neurotic after his wife left him.
Is A Pain in the Ass on Netflix? Unfortunately the movie A Pain in the Ass is not yet available on Netflix.
| Directing | Édouard Molinaro | Director |
| Camera | Raoul Coutard | Director of Photography |
| Sound | Jacques Brel | Original Music Composer |
| Production | Alexandre Mnouchkine | Producer |
| Editing | Monique Isnardon | Editor |
| Production | Georges Dancigers | Producer |
| Writing | Francis Veber | Theatre Play |
| Sound | François Rauber | Original Music Composer |
| Editing | Robert Isnardon | Editor |
| Sound | Alex Pront | Sound |
| Art | François de Lamothe | Production Design |
| Art | Jacques Brizzio | Set Decoration |
| Sound | Jean-Louis Ducarme | Sound |
| Crew | Eric Vasberg | Stunts |
| Writing | Francis Veber | Screenplay |
| Production | Robert Amon | Associate Producer |
| Production | Ennio Nobili | Co-Producer |
| Production | Raymond Leplont | Production Manager |
| Directing | Philippe Monnier | Assistant Director |
| Directing | Fred Runel | Assistant Director |
| Directing | Alain Nauroy | Assistant Director |
| Art | Robert Christidès | Set Dresser |
| Art | Pierre Duquesne | Assistant Art Director |
| Art | Pierre Duquesne | Assistant Production Design |
| Art | Claude Moesching | Assistant Art Director |
| Art | Elise Servet-Larocque | Set Dresser |
| Art | Jean-Louis Trinquier | Props |
| Sound | Gaston Demède | Sound Recordist |
| Crew | Pierre Rosso | Stunts |
| Crew | Eric Vasberg | Stunt Double |
| Camera | Jean Garcenot | Camera Operator |
| Camera | Étienne George | Still Photographer |
| Camera | Georges Liron | Camera Operator |
| Sound | Marcel Azzola | Musician |
| Directing | Hélène Sébillotte | Script Supervisor |
