A well-known business lawyer is shot dead in the courthouse. A commissioner of the Criminal Brigade is in charge of the investigation and is helped by a journalist.
as Commissaire Martin Griffon
as Sybille Berger
as Le contrôleur Jean-François Rambert
as Christian Lacassagne
as Suzy Thomson, alias D'Annunzio
as Avram Kazavian
as Me Antoine d'Alins
as Philippe d'Alins
as Antoine Gomez
as Millard, le directeur du ministre de l'Intérieur
as Un observateur
