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
Raymond Meunier
Allister
Jacques Marchand
Maniac
Frédéric Santaya
Favre, Allister's teammate
Robert Favart
School's director
Guy Kerner
Doctor
Jean Sobieski
Aden
Carlo Nell
Lucie Arnold
Gilette Barbier
Grocer (uncredited)
Philippe Brizard
Taxi driver (uncredited)
Michel Charrel
Raisin (uncredited)
Roger Desmare
Shoemaker (uncredited)
Max Desrau
Thouin (uncredited)
Martine Ferrière
Shoemaker's wife (uncredited)
Sébastien Floche
Caretaker of the building (uncredited)
Pierre Frag
Sandwich man (uncredited)
Jacques Galland
Director of P.J. (uncredited)
Stan Krol
Kropniak (uncredited)
Sylvain Lévignac
Gregg man (uncredited)
Roger Lumont
Storage man (uncredited)
Serge Marquand
Loudmouth (uncredited)
Colette Mars
First pharmacist (uncredited)
Bernard Musson
Pharmacist (uncredited)
Émile Riandreys
Bus traveler (uncredited)
Dominique Zardi
Pervert (uncredited)
Suzy Hannier
(uncredited)
Rita Maiden
(uncredited)