"The inhabitants of the windswept island of Sein, in the nineteenth century, in Brittany follow their own religion without need for clergy, but as strangers arrive, their faith and beliefs face a deep crisis."
Pierre Fresnay
as Thomas Gourvennec
Madeleine Robinson
as Jeanne Gourvennec
Daniel Gélin
as Joseph Le Berre
Andrée Clément
as Scholastique Kerneis
Jean Brochard
as Abbot Kerhervé
Sylvie
as Coise Karbacen
Antoine Balpêtré
as Father Gourvennec
Germaine Kerjean
as Mrs. Kermeis
Daniel Ivernel
as François Guillen
Jean-Pierre Mocky
as Pierre
Jean d'Yd
as Corentin Gourvennec
Raphaël Patorni
as Jules
Marcel Delaître
as Monsieur Kerneis
Fernand René
as Yves Lannuzel
Albert Michel
as Le Bail
René Génin
as Yvon's father
Jean Carmet
as Yvon
Jérôme Goulven
as Brigadier
Cécyl Marcyl
as Old woman
Charles Bouillaud
as Gendarme
Jean Favre-Bertin
as
Pierre Moncorbier
as Fisherman
Lucienne Bogaert
as Anaïs Le Berre
Marcelle Géniat
as Mother Gourvennec
Louise Andrès
as (uncredited)
Georges Cerf
Jeanne Herviale
Pierre Latour
Serge Lecointe
Christian Martaguet
Henri Maïk
Pierre Salas
Jean Delannoy
Director
Jean Aurenche
Screenplay
Pierre Bost
Henri Queffélec
Novel
René Cloërec
Original Music Composer
Robert Lefebvre
Director of Photography
Roger Forster
Still Photographer