When several women are found mutilated and murdered, the Paris police are baffled as to who the killer may be. All evidence points to Dupin, but soon it becomes apparent that it is someone (or something) stronger and deadlier than a human.
as Dr. Marais
as Insp. Bonnard
as Jeanette
as Prof. Paul Dupin
as Yvonne (as Allyn McLerie)
as Jacques the One-Eyed
as Arlette
as Camille
as Georges Brevert
as Rene the Knife-thrower
as LeBon (as Rolphe Sedan)
as Wardrobe Woman
as Maurice