Elenco

• 

  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