Lino Ventura
Principal Inspector Marceau Leonetti
Marlène Jobert
Jeanne Dumas, the new auxiliary
Michel Constantin
Greg, the henchman
Paul Crauchet
Jacques Loring, Martin's neighbor
Alain Mottet
Frank Lambert, Leonetti's colleague and friend
Béatrice Arnac
Silvia
Guy Heron
Soramon
Albert Dagnant
Arnold
Monique Mélinand
Mrs Loring
Marcel Pérès
Mr Lenoir
Germaine Delbat
Mrs Lenoir
Hervé Sand
Gravel
Régine Lovi
Ms Viteau, the teacher
Philippe March
Roger Martin, the missing witness
