After the discovery of two murders, Commissioner Chabrier, of the French secret services, is investigating the disappearance of plans affecting the national defense of the country robbed by a gang of international spies.
Jean Davy
Commissaire Chabrier
Gilbert Gil
Michel Perrin
Maurice Teynac
Fred
Jean-Max
Oudrach
Gisèle Préville
Christine
Jean-Louis Allibert
Un inspecteur de police
Ellen Bernsen
Myriam
Raymond Cordy
Mérignac
Jacques Dufilho
Lucien
Daniel Ivernel
Jean-Jacques
Jean Heuzé
Le directeur
Roger Bontemps
Fernand
