"A group of people visit a weird old man who is a student of the black arts. The man lives in an ancient, cursed castle. Soon people in the group start being killed off."
Jean-Claude Brialy
as Marc Desgrez
Claude Rich
as Stéphane Desgrez
Édith Scob
as Marie D'Aubray Boissand
Perrette Pradier
as Lucie Desgrez
Nadja Tiller
as Nurse Myra Schneider
Walter Giller
as Michel Boissand
Antoine Balpêtré
as Dr. Hermann
René Génin
as Frédéric Henderson
Héléna Manson
as Augusta Henderson
Frédéric Duvallès
as Mathias Desgrez
Claude Piéplu
as Inspector Krauss
Dany Jacquet
as Frieda
Gabriel Jabbour
as Jacob Kramer, le bijoutier
Laurence Belval
as
Julien Duvivier
Author
Charles Spaak
John Dickson Carr
Director
Georges Auric
Original Music Composer
Roger Fellous
Director of Photography
Yvon Guézel
Producer
Michel Romanoff
Willy Schatz
Art Direction
Peter Martin
Set Decoration
Candide
Costume Design
Louis Féraud
Werner Schröder
Makeup Artist
Yvonne Fortuna
Suzanne Pinoteau
Costumer
Paul Cayatte
Editor
Guy Chichignoud
Sound Engineer