Lino Ventura
Role: Principal Inspector Marceau Leonetti
Marlène Jobert
Role: Jeanne Dumas, the new auxiliary
Michel Constantin
Role: Greg, the henchman
Paul Crauchet
Role: Jacques Loring, Martin's neighbor
Alain Mottet
Role: Frank Lambert, Leonetti's colleague and friend
Béatrice Arnac
Role: Silvia
Albert Dagnant
Role: Arnold
Monique Mélinand
Role: Mrs Loring
Marcel Pérès
Role: Mr Lenoir
Germaine Delbat
Role: Mrs Lenoir
Régine Lovi
Role: Ms Viteau, the teacher
Philippe March
Role: Roger Martin, the missing witness
Mathilde Ceccarelli
Role: Perverse neighbor
Pippo Merisi
Role: Scrap dealer
Raymond Meunier
Role: Allister
Jacques Marchand
Role: Maniac
Frédéric Santaya
Role: Favre, Allister's teammate
Robert Favart
Role: School's director
Gilette Barbier
Role: Grocer (uncredited)
Luc Bartholomé
Role: Jo Raison (uncredited)
Philippe Brizard
Role: Taxi driver (uncredited)
Michel Charrel
Role: Raisin (uncredited)
Roger Desmare
Role: Shoemaker (uncredited)
Max Desrau
Role: Thouin (uncredited)
Pierre Duncan
Role: Agent at the police station (uncredited)
Martine Ferrière
Role: Shoemaker's wife (uncredited)
Sébastien Floche
Role: Caretaker of the building (uncredited)
Pierre Frag
Role: Sandwich man (uncredited)
Jacques Galland
Role: Director of P.J. (uncredited)
Stan Krol
Role: Kropniak (uncredited)
Jacques Leroy
Role: Inspector (uncredited)
Sylvain Lévignac
Role: Gregg man (uncredited)
Roger Lumont
Role: Storage man (uncredited)
Serge Marquand
Role: Loudmouth (uncredited)
Colette Mars
Role: First pharmacist (uncredited)
Bernard Musson
Role: Pharmacist (uncredited)
Émile Riandreys
Role: Bus traveler (uncredited)
Jacques Richard
Role: Inspector (uncredited)
César Torres
Role: Man with the grenade (uncredited)
Dominique Zardi
Role: Pervert (uncredited)
Suzy Hannier
Role: (uncredited)
Rita Maiden
Role: (uncredited)