Il était une fois un flic...

Henri Guybet as PJ inspector Robert Castel as Rodriguez, Manoni's man Jean Luisi as Second taxi driver Fransined as First taxi driver Charly Bertoni as Narcotic Bureau agent Robert Dalban as Commissioner Chauvet, Superintendent in Nice Hervé Hillien as Bertrand, Christine's son Pier Paolo Capponi as Ugo (uncredited) Michael Lonsdale as Commissioner Lucas Michel Constantin as Commissioner Campana alias Louis Lopez Giuliano Esperanti as Second killer Henri Cogan as Jeannot, Manoni's man (uncredited) Alain Delon as Man looking for Rodriguez (uncredited) Mireille Darc as Christine alias Françoise Venantino Venantini as Felice, killer Jean-Jacques Moreau as PJ inspector Charles Southwood as Narcotic Bureau agent Dado Crostarosa as One of the two young Portuguese Daniel Ivernel as Ligmann

Claude Vital First Assistant Director Georges Lautner Director, Screenplay Francis Veber Screenplay Eddie Vartan Original Music Composer Alain Poiré Producer Maurice Fellous Director of Photography