"A woman's father, a scientist, receives repeated death threats and eventually ends up dead. Receiving no help from the police, the woman begins to realize that she is next."
Raymond Souplex
as Commissioner Serval
Gilbert Gil
as Paul Roubais
Renée Cosima
as Catherine Muller
François Deguelt
as Inspector François Garnier
Pierre Doris
as Inspector Bourdier
Daniel Emilfork
as Leader of the undertaker gang
Jean Tissier
as Gardener
Jean Daurand
as Serval's deputy
Guy Piérauld
as Inspector Martin
Lucien Raimbourg
as Monsieur Muller
Francine Allard
as Chambermaid
Henri de Chaptal
as Member of the undertaker gang
Christian Dunil
as
Claude Sorel
as Maid
François Dyrek
Jacques de Lannoy
Isa Rambaud
as Gas station attendant
Paulette Dubost
as Hélène Serval
Noël Roquevert
as Commander Henri Muller
Claude Robin
Director of Photography
Jean Maley
Director