Matthias Duval / Mathieu Duval
Pierre Richard
Elisabeth 'Betty' Kerner
Camilla More
Françoise Dorner
Isabelle Strawa
Paul Claudon
Gérald Calderon
Alain Huylebroeck
Gladys Berry
Sean O'Neal
Ajzyk Spigelman
Andréa Ferréol
l’homme dans l'ascenseur
Yves Robert
Elizabeth 'Liz' Kerner
Carey More
Ernest Volpinex
Jean-Pierre Kalfon
Evie
Ralph
Jacques Frantz
Charlie
Jean-Pierre Castaldi
le clochard jazz
Paul Le Person
l’inspecteur
Jean-Claude Bouillaud
le maire
Henri Labussière
Writer
Boris Bergman
Executive Producer
Xavier Gélin
Élisabeth Rappeneau
Editor
Pierre Gillette
Director
Novel
Donald E. Westlake
Sound Mixer
Claude Villand
Original Music Composer
Vladimir Cosma
Director of Photography
Robert Fraisse
Costume Design
Catherine Leterrier
Production Design
Jacques Saulnier
Makeup Artist
Thi-Loan Nguyen
Hairstylist
Daniel Mourgues
Sound Editor
Monique André
Joël Beldent
Sound Effects
Jean-Pierre Lelong
Sound
Pierre Lenoir
Jérôme Lévy