In 1668, in the Cotentin region, witchcraft was still widely practiced. To get rid of an overly strict priest, a gathering of heretics took advantage of the night of Saint Martin to organize a sabbath. A young boy found himself involved in this black mass against his will. The religious authorities decided to investigate and punish the miscreants...
Michel Subiela
Narrator (voice) (uncredited)

Edith Garnier
Jeanne
Serge Ducher
Charles

Charles Moulin
Baude, sorcerer

Roger Guillo
Rommy
Jean-Pierre Hercé
Jacques

Renée Gardès
The old woman
Marc de Géorgi
Sivard

Frédérique Ruchaud
Marguerite

André Valmy
Bailiff

Jean Vinci
Du Taillis

Martin Trévières

Régis Outin

Raoul Guillet

Yvon Sarray