A historian seeks to clarify the mysterious death of Sire de Malvaleix and will find himself involved in the murder of the current descendant.
as Professor Barbaroux
as Madame Barbaroux
as Madame de Hennebelle
as Commissioner Plachon
as Gérard
as The Lieutenant of the Gendarmerie
as Marquis
as The cook
as Mona Lambelle
as Christine
as Orfray
as The valet
