Pierre Richard as Matthias Duval / Mathieu Duval

Camilla More as Elisabeth 'Betty' Kerner

Carey More as Elizabeth 'Liz' Kerner

Jean-Pierre Kalfon as Ernest Volpinex

Andréa Ferréol as Evie

Jacques Frantz as Ralph

Jean-Pierre Castaldi as Charlie

Paul Le Person as le clochard jazz

Jean-Claude Bouillaud as l’inspecteur

Henri Labussière as le maire

Françoise Dorner as

Isabelle Strawa as

Paul Claudon as

Gérald Calderon as

Alain Huylebroeck as

Gladys Berry as

Sean O'Neal as

Ajzyk Spigelman as

Andréa Ferréol as

Yves Robert as l’homme dans l'ascenseur