A Pain in the Ass

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.

• 
  Édouard Molinaro
• 
  Philippe Monnier
• 
  Fred Runel
• 
  Alain Nauroy
• 
  Hélène Sébillotte

• 
  Lino Ventura
  Ralf Milan
• 
  Jacques Brel
  François Pignon
• 
  Caroline Cellier
  Louise Pignon
• 
  Jean-Pierre Darras
  Dr. Edgar Fuchs
• 
  Nino Castelnuovo
  Bellhop, room boy
• 
  Michele Gammino
  Pregnant woman husband
• 
  Xavier Depraz
  Louis Randoni
• 
  François Dyrek
  Félix, saboteur
• 
  André Valardy
  Jerry, hitchhiker
• 
  Angela Cardile
  Pregnant woman
• 
  Jean-Louis Tristan
  Hotel inspector
• 
  Jean Franval
  Truck driver
• 
  Pierre Collet
  Butcher
• 
  Arlette Balkis
  Patient
• 
  Jacques Galland
  Maître Chamfort, notary
• 
  Liza Braconnier
  Mrs. Randoni (uncredited)
• 
  Pierre Forget
  Félix (uncredited)
• 
  Sylvain Lévignac
  Nurse at the psychiatric clinic (uncredited)
• 
  Édouard Molinaro
  Café owner (uncredited)
• 
  Eric Vasberg
  Rally driver (uncredited)