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.
Jean-Paul Belmondo
as Commissioner Jean Letellier
Charles Denner
as Inspector Moissac
Adalberto Maria Merli
as Pierre Valdeck / Minos
Rosy Varte
as Germaine Doizon
Jean Martin
as Divisional commissioner Sabin
Lea Massari
as Norah Elmer
Jean-François Balmer
as Julien Dallas, student
Catherine Morin
as Hélène Grammont
Roland Dubillard
as Psychologist
Henry Djanik
as Police inspector
Germana Carnacina
as Pamela Sweet
Giovanni Cianfriglia
as Marcucci
