Virginie Vitry
— Claire
Anne Doat
— Solange
Jean-Claude Brialy
— Claude
Jacques Doniol-Valcroze
— Jean
François Truffaut
— Party guest (uncredited)
Jean-Luc Godard
— Party guest (uncredited)
Robert Lachenay
— Party guest (uncredited)
Claude Chabrol
— Party guest (uncredited)
Jacques Rivette
— Narrator (uncredited)