Les frangines 1960

Synopsis:

The owner of a suburban boarding school is found murdered. The culprit will be unmasked thanks to the ingenuity and courage of the good Janine and a student, named Nadine.

Directed by: Jean Gourguet
Written by: Jean Gourguet & Michelle Gourguet
Runtime: 100 minutes
Cast:
Dora Doll
Dora Doll
Jeanine - la servante 
Françoise Vatel
Françoise Vatel
Nadine 
Guy Jacquet
Guy Jacquet
Gérard Lambert 
Joël Séria
Joël Séria
Olivier Berton 
Michel Dumur
Michel Dumur
Louis dit P'tit Lou 
Louis Seigner
Louis Seigner
Monsieur Maréchal - le directeur de l'institution