One evening, professor André Barret sees the author of a murder in the darkness; cafe owner Cordelec is the victim. From then on, his suspicions fall on one of his students who had just arrived in his class, Bernard Cormiere.
as Bernard Cormière
as Pascale Barret
as André Barret
as Investigating judge
as Grindel
as Rudeau
as Lachaume
as Pélissier
as Police commissioner
as Madame Lachaume
as Henriette
as Madame Bergamier, mother-in-law
as Tobacconist
as Internal
as Newspaper carrier
as Cardelec
as Coffee boy
as Agent
as Left-luggage employee
as Josette
