Bernard Fresson as Philippe Algir

Jane Birkin as Christine Mars / Christine Devone

Michael Dunn as Tiky Edriss

Claude Brasseur as Inspector Hess

André Pousse as Inspector Terrell

Sady Rebbot as Inspector Lepsky

Roger Blin as Boris

Jean-Claude Michel as Robert Devone

André Julien as Le cireur

Armand Meffre as Le sculpteur

Billy Kearns as Wannassee

Jacques Hilling as Le médecin légiste

Andrée Tainsy as Mme Herbin

Jean-Pierre Lituac as Le directeur du collège

Pierre Gatineau as M. Louis

Annick Allières as Mme Vicky

Florence Brière as La femme de ménage

Marc Elliott as Alric

Nicole Desailly as Mile Kuker

Paul Pavel as Paul Bastiani

Martine Renaud as Patricia Devone