A serial-killer frightens Paris by phoning young ladies at night, telling them insults about their lives. Minos, as he calls himself, wants to prevent the world from free women and he targets at first these ones. Commissaire Letellier is given the investigation and he has hard work with the maniac.
as Commissioner Jean Letellier
as Inspector Moissac
as Pierre Valdeck / Minos
as Germaine Doizon
as Divisional commissioner Sabin
as Norah Elmer
as Julien Dallas, student
as Hélène Grammont
as Psychologist
as Police inspector
as Pamela Sweet
as Marcucci
as Self
as Neighborhood commissioner
as Watchman Eugène Merclin
as Prefect
as Sub-prefect
as Guest who goes to the wrong door
as Inspector
as Julio Cortes, Norah's lover
as 'Cacahuète'
as Police inspector
as Germaine Doizon's concierge
as Armed robber (uncredited)
as Radio journalist (uncredited)
as Radio reporter (uncredited)
as Sound engineer (uncredited)
as Tenant disturbed by Letellier (uncredited)