Jean-Paul Belmondo

Commissioner Jean Letellier

Charles Denner

Inspector Moissac

Adalberto Maria Merli

Pierre Valdeck / Minos

Rosy Varte

Germaine Doizon

Jean Martin

Divisional commissioner Sabin

Lea Massari

Norah Elmer

Jean-François Balmer

Julien Dallas, student

Catherine Morin

Hélène Grammont

Roland Dubillard

Psychologist

Henry Djanik

Police inspector

Germana Carnacina

Pamela Sweet

Giovanni Cianfriglia

Marcucci

Jacques Paoli

Self

Philippe Brigaud

Neighborhood commissioner

Roger Riffard

Watchman Eugène Merclin

Henri Verneuil