
Lino Ventura
Principal Inspector Marceau Leonetti
Acting

Marlène Jobert
Jeanne Dumas, the new auxiliary
Acting

Michel Constantin
Greg, the henchman
Acting

Paul Crauchet
Jacques Loring, Martin's neighbor
Acting

Alain Mottet
Frank Lambert, Leonetti's colleague and friend
Acting

Béatrice Arnac
Silvia
Acting

Albert Dagnant
Arnold
Acting

Monique Mélinand
Mrs Loring
Acting

Marcel Pérès
Mr Lenoir
Acting

Germaine Delbat
Mrs Lenoir
Acting

Régine Lovi
Ms Viteau, the teacher
Acting

Philippe March
Roger Martin, the missing witness
Acting
![Mathilde Ceccarelli]()
Mathilde Ceccarelli
Perverse neighbor
Acting

Pippo Merisi
Scrap dealer
Acting

Raymond Meunier
Allister
Acting

Jacques Marchand
Maniac
Acting

Frédéric Santaya
Favre, Allister's teammate
Acting

Robert Favart
School's director
Acting

Gilette Barbier
Grocer (uncredited)
Acting
![Luc Bartholomé]()
Luc Bartholomé
Jo Raison (uncredited)
Acting

Philippe Brizard
Taxi driver (uncredited)
Acting

Michel Charrel
Raisin (uncredited)
Acting

Roger Desmare
Shoemaker (uncredited)
Acting

Max Desrau
Thouin (uncredited)
Acting
![Pierre Duncan]()
Pierre Duncan
Agent at the police station (uncredited)
Acting

Martine Ferrière
Shoemaker's wife (uncredited)
Acting

Sébastien Floche
Caretaker of the building (uncredited)
Acting

Pierre Frag
Sandwich man (uncredited)
Acting

Jacques Galland
Director of P.J. (uncredited)
Acting

Stan Krol
Kropniak (uncredited)
Acting
![Jacques Leroy]()
Jacques Leroy
Inspector (uncredited)
Acting

Sylvain Lévignac
Gregg man (uncredited)
Acting

Roger Lumont
Storage man (uncredited)
Acting

Serge Marquand
Loudmouth (uncredited)
Acting

Colette Mars
First pharmacist (uncredited)
Acting

Bernard Musson
Pharmacist (uncredited)
Acting

Émile Riandreys
Bus traveler (uncredited)
Acting
![Jacques Richard]()
Jacques Richard
Inspector (uncredited)
Acting
![César Torres]()
César Torres
Man with the grenade (uncredited)
Acting

Dominique Zardi
Pervert (uncredited)
Acting

Suzy Hannier
(uncredited)
Acting

Rita Maiden
(uncredited)
Acting