Jean-Paul Belmondo character Commissioner Jean Letellier
Charles Denner character Inspector Moissac
Adalberto Maria Merli character Pierre Valdeck / Minos
Rosy Varte character Germaine Doizon
Jean Martin character Divisional Commissioner Sabin
Lea Massari character Norah Elmer
Jean-François Balmer character Julien Dallas, student
Catherine Morin character Hélène Grammont
Roland Dubillard character Psychologist
Henry Djanik character Police inspector
Germana Carnacina character Pamela Sweet
Giovanni Cianfriglia character Marcucci
Jacques Paoli character Himself
Philippe Brigaud character District commissioner
Roger Riffard character Eugène Merclin, guard
Georges Riquier character Prefect
Jean-Louis Le Goff character Sub-prefect
Maurice Vallier character Guest who has the wrong door
Maurice Auzel character Inspector
Henri-Jacques Huet character Cortes, Norah's lover
Jacques Rispal character Cacahuète
Michel Berreur character Robber (uncredited)
Pierre Douglas character Radio journalist (uncredited)
André Valardy character Radio reporter (uncredited)
Albert Delpy character (uncredited)
Jacques Mathou character (uncredited)
