Discover
Jean-Paul Belmondo
Commissioner Jean Letellier
Charles Denner
Inspector Moissac
Adalberto Maria Merli
Pierre Valdeck / Minos
Rosy Varte
Germaine Doizon
Jean Martin
Divisional commissioner Sabin
Lea Massari
Norah Elmer
Jean-François Balmer
Julien Dallas, student
Catherine Morin
Hélène Grammont
Roland Dubillard
Psychologist
Henry Djanik
Police inspector
Germana Carnacina
Pamela Sweet
Giovanni Cianfriglia
Marcucci
Jacques Paoli
Self
Philippe Brigaud
Neighborhood commissioner
Roger Riffard
Watchman Eugène Merclin
Georges Riquier
Prefect
Jean-Louis Le Goff
Sub-prefect
Maurice Vallier
Guest who goes to the wrong door
Maurice Auzel
Inspector
Henri-Jacques Huet
Julio Cortes, Norah's lover
Jacques Rispal
'Cacahuète'
Jean-Louis Fortuit
Police inspector
Gilberte Géniat
Germaine Doizon's concierge
Michel Berreur
Armed robber (uncredited)
Pierre Douglas
Radio journalist (uncredited)
André Valardy
Radio reporter (uncredited)
Albert Delpy
Sound engineer (uncredited)
Jacques Mathou
Tenant disturbed by Letellier (uncredited)
Art
Jean André
Set Decoration
Camera
Marcel Gorvaisier
Still Photographer
Charles-Henri Montel
Camera Operator
Jean Penzer
Director of Photography
Editing
Henri Lanoë
Editor
Pierre Gillette
Editor
Production
Jean-Paul Belmondo
Producer
Sound
Ennio Morricone
Original Music Composer
Art
Jean André
Set Decoration
Camera
Marcel Gorvaisier
Still Photographer
Charles-Henri Montel
Camera Operator
Jean Penzer
Director of Photography
Editing
Henri Lanoë
Editor
Pierre Gillette
Editor
Production
Jean-Paul Belmondo
Producer
Sound
Ennio Morricone
Original Music Composer