Michel Piccoli
Max, inspector

Romy Schneider
Julia Anna 'Lily' Ackermann

Bernard Fresson
Abel Maresco

François Périer
Commissioner Rosinsky

Georges Wilson
Commissioner

Boby Lapointe
Lui Serafino aka 'P'tit Lu'

Philippe Léotard
Losfeld

Michel Creton
Robert Saidani

Betty Beckers
Maria

Henri-Jacques Huet
Cyriaque Arnaïs aka 'Dromadaire'

Dominique Zardi
Baraduch

Dany Jacquet
Ida

Danielle Durou
Nicole

Jacques Canselier
Jean-Marie Patinet aka 'Jean-Jean'

Maurice Auzel
Antoine Chantoiseau aka 'Tony'

Léa Gray
Madame Saidani

Bernard Musson
The Sarcastic Inspector in the Canteen

Albert Augier
Client of Lily

Robert Favart
Loiselle

Jean-Paul Blonday
Inspector (uncredited)

Chantal Ladesou
Minor Role (uncredited)

Henri Coutet
Inspector (uncredited)

Michel Duplaix
Inspector (uncredited)

Gaston Meunier
Inspector (uncredited)

Jacqueline Dufranne
Concierge (uncredited)

Roland Malet
Man in the cafeteria (uncredited)

Marius Gaidon
Man at the Crédit de la Seine (uncredited)