Anémone as Cécile / Hélène

Laura Antonelli as Monica Belli, la star

Josiane Balasko as La parisienne

Michel Boujenah as Michel Lambert

Marie-Anne Chazel as La femme astronaute / Béatrice

Christian Clavier as L'ami du dragueur / Charles-Henri / L'amant anti-chien

Michel Galabru as Le paysan

Roland Giraud as Jean, l'astronaute

Gérard Jugnot as Le beau-Frère / Malounian / Le cousin de Malounian

Martin Lamotte as Alain, le fiancé hésitant / Le commissaire politique

Luis Rego as L'interprète

Catherine Alric as La belle partouzeuse

Jean-Pierre Cassel as Le comte de Forcheville

Pierre Mondy as Le Président

Daniel Prévost as Le présentateur TV

Jean Rougerie as Le téléspectateur / Le père de Cécile

Laurence Badie as La paysanne

Jean-Pierre Darroussin as L'ami du dragueur / Le journaliste

Hubert Deschamps as Le prisonnier

Jacques Dynam as Alex, le restaurateur

Ginette Garcin as La mère de Béatrice

Constantin Kotlarow as Le ministre soviétique

Daniel Langlet as Le savant / L'ami du fiancé

Claire Magnin as La savante

Jacques Maury as L'ami des livres

Barbara Nielsen as Marianna

Micheline Bourday as

Carole Brenner as

Pierre Cheremetieff as

Jean-Pierre Clami as

Audrey Dana as La femme dans le lit (voice)

Isabelle Duby as

Lydia Ewandé as

Annie Grégorio as La journaliste

Youssef Hamid as

Henri-Jacques Huet as Le passager de l'avion

Alexander Koumpan as

Danute Kristo as

Marie Lazzarini as

Jacques Mathou as

Rachel Salik as

Pierre Richard as Dubois - le commandant de bord (uncredited)