A young sailor finds himself trapped in the labyrinthine mansion of his occultist uncle, along with a number of eccentric and mysterious relatives who all seem to be harboring a dark secret.
Orson Welles
as Cassavius
Susan Hampshire
as Nancy / Euryale / Alice / Nurse / Charlotte
Michel Bouquet
as Charles Dideloo
Mathieu Carrière
as Jan
Jean-Pierre Cassel
as Lampernisse
Daniel Pilon
as Mathias Crook
Walter Rilla
as Eisengott
Dora van der Groen
as Sylvie Dideloo
Charles Janssens
as Philarette
Sylvie Vartan
as Bets
Jet Naessens
as Eleonora
Cara Van Wersch
as Rosalie
