Michel Serrault as Beauvoir, « l'Œil »

Isabelle Adjani as Catherine Leiris / Lucie Brentano / Ève Granger / Dorothée Ortis / Ariane Chevalier / Charlotte Vincent

Guy Marchand as l'homme pâle

Stéphane Audran as Germaine, la dame en gris

Macha Méril as Madeleine

Geneviève Page as Mme Schmitt-Boulanger

Sami Frey as Ralph Forbes

Dominique Frot as Betty

Patrick Bouchitey as Michel de Meyerganz

Michel Such as l'homme à l'attaché-case

Jean-Claude Brialy as Voragine

Jeanne Herviale as la tante de Vittel

François Bernheim as Jerry

Isabelle Ho as Cora Pallenberg

Gilberte Lauvray as la curiste