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