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