Lino Ventura ( Lino Ventura )

Principal Inspector Marceau Leonetti

Marlène Jobert ( Marlène Jobert )

Jeanne Dumas, the new auxiliary

Michel Constantin ( Michel Constantin )

Greg, the henchman

Paul Crauchet ( Paul Crauchet )

Jacques Loring, Martin's neighbor

Alain Mottet ( Alain Mottet )

Frank Lambert, Leonetti's colleague and friend

Béatrice Arnac ( Béatrice Arnac )

Silvia

Guy Heron ( Guy Heron )

Soramon

Albert Dagnant ( Albert Dagnant )

Arnold

Monique Mélinand ( Monique Mélinand )

Mrs Loring

Marcel Pérès ( Marcel Pérès )

Mr Lenoir

Germaine Delbat ( Germaine Delbat )

Mrs Lenoir

Hervé Sand ( Hervé Sand )

Gravel

Régine Lovi ( Régine Lovi )

Ms Viteau, the teacher

Philippe March ( Philippe March )

Roger Martin, the missing witness

Mathilde Ceccarelli ( Mathilde Ceccarelli )

Perverse neighbor

Pippo Merisi ( Pippo Merisi )

Scrap dealer

Raymond Meunier ( Raymond Meunier )

Allister

Jacques Marchand ( Jacques Marchand )

Maniac

Frédéric Santaya ( Frédéric Santaya )

Favre, Allister's teammate

Robert Favart ( Robert Favart )

School's director

Guy Kerner ( Guy Kerner )

Doctor

Jean Sobieski ( Jean Sobieski )

Aden

Pascal Gillot ( Pascal Gillot )

Paul Beauvais ( Paul Beauvais )

Aude Olivier ( Aude Olivier )

Carlo Nell ( Carlo Nell )

Luigi Cortese ( Luigi Cortese )

Lucie Arnold ( Lucie Arnold )

Gilette Barbier ( Gilette Barbier )

Grocer (uncredited)

Luc Bartholomé ( Luc Bartholomé )

Jo Raison (uncredited)

Philippe Brizard ( Philippe Brizard )

Taxi driver (uncredited)

Michel Charrel ( Michel Charrel )

Raisin (uncredited)

Roger Desmare ( Roger Desmare )

Shoemaker (uncredited)

Max Desrau ( Max Desrau )

Thouin (uncredited)

Pierre Duncan ( Pierre Duncan )

Agent at the police station (uncredited)

Martine Ferrière ( Martine Ferrière )

Shoemaker's wife (uncredited)

Sébastien Floche ( Sébastien Floche )

Caretaker of the building (uncredited)

Pierre Frag ( Pierre Frag )

Sandwich man (uncredited)

Jacques Galland ( Jacques Galland )

Director of P.J. (uncredited)

Stan Krol ( Stan Krol )

Kropniak (uncredited)

Jacques Leroy ( Jacques Leroy )

Inspector (uncredited)

Sylvain Lévignac ( Sylvain Lévignac )

Gregg man (uncredited)

Roger Lumont ( Roger Lumont )

Storage man (uncredited)

Serge Marquand ( Serge Marquand )

Loudmouth (uncredited)

Colette Mars ( Colette Mars )

First pharmacist (uncredited)

Bernard Musson ( Bernard Musson )

Pharmacist (uncredited)

Émile Riandreys ( Émile Riandreys )

Bus traveler (uncredited)

Jacques Richard ( Jacques Richard )

Inspector (uncredited)

César Torres ( César Torres )

Man with the grenade (uncredited)

Dominique Zardi ( Dominique Zardi )

Pervert (uncredited)

Suzy Hannier ( Suzy Hannier )

(uncredited)

Rita Maiden ( Rita Maiden )

(uncredited)