"A stranger named Constant disrupts the life of Flora, who is seemingly happy with her husband Lucien. But she suddenly experiences a passionate love, taking refuge with Constant in a cave they call “home under the sea.”"
Viviane Romance
as Flore
Clément Duhour
as Constant Mercier
Guy Decomble
as Lucien
Roland Armontel
as Mr. Dial
Jean Brochard
as Quoniam
René Génin
as Captain
Anouk Aimée
as Anouk
Robert Dalban
as Cafe owner
Dora Doll
as Prostitute
Guy Favières
as Trade unionist
Gabrielle Fontan
as Gossip at the washhouse
Zélie Yzelle
as The mother
Paul Faivre
as Maresquier
Marcel Delaître
as Kappel
Santa Relli
as Madame Dial
André Carnège
as Boss of the bistro
Albert Glado
as Kid
Jean Carry
as
Léon Bary
as Boss (uncredited)
Jean-Jacques Bourgeois
as (uncredited)
Yves Brainville
as Miner (uncredited)
Pierre Collet
René Lacourt
Geneviève Morel
as Housewife (uncredited)
Max Mégy
Henri Calef
Director
Jacques Companéez
Screenplay
Georges Neveux
Paul Vialar
Novel
Claude Renoir
Director of Photography
Jacques Grassi
Editor
Jean Yatove
Original Music Composer