Michael Lonsdale
Commissioner Lucas
Michel Constantin
Commissioner Campana alias Louis Lopez
Mireille Darc
Christine alias Françoise
Robert Dalban
Commissioner Chauvet, Superintendent in Nice
Daniel Ivernel
Ligmann
Venantino Venantini
Felice, the killer
Hervé Hillien
Bertrand, Christine's son
Henri Guybet
PJ inspector
Robert Castel
Rodriguez, Manoni's man
Giuliano Esperanti
The 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
Paul Clerici
Jeanne Costi
Daniel Auguste
Policeman
Pitsolu Dimitrius
Charly Bertoni
Narcotic Bureau agent
Hans Vervez
Henri Dugène
Henri Cogan
Jeannot, Manoni's man (uncredited)
Alain Delon
The man looking for Rodriguez (uncredited)
Pier Paolo Capponi
Ugo (uncredited)