Professor Artus, a scientist specializing in artificial life, wants to try an experiment on an automaton; he is entrusted with a death row inmate. The professor is soon found murdered. It is Inspector Wens, helped by a journalist, who must solve the case. Franck Villard in the role of Wens succeeds Fresnay.
as Arlette
as Inspecteur Wens
as Le professeur Artus
as Tiburce Artus
as Hector
as Maxime Artus
as Ramshow
as Le chauffeur
as Le commissaire