Isabelle Huppert

as Isabelle Rivière

Jacques Dutronc

as Paul Godard

Nathalie Baye

as Denise Rimbaud

Roland Amstutz

as Customer in Room 522

Cécile Tanner

as Cecile

Anna Baldaccini

as Isabelle's Sister

Roger Jendly

as Customer of Isabelle's Sister

Fred Personne

as First Client