Michel Serrault

Julien

Claire Bouanich

Elsa

Nade Dieu

Isabelle

Françoise Michaud

Cafe Waitress

Pierre Poirot

Police Commissioner

Jacky Nercessian

Policeman

Jacques Bouanich

Sébastien's Father

Hélène Hily

Marguerite, the Concierge

Catherine Cyler

Sébastien's Mother

Jerry Lucas

Sébastien

Aurélie Meriel

Isabelle's Friend

Idwig Stephane

Entomologist

Fabien Béhar

The Hotel Manager

Francis Frappat

Geometrician

Françoise Dubois

Woman in Telephone Booth