This Man Is Dangerous

Eddie Constantine

Lemmy Caution

Colette Deréal

Constance

Grégoire Aslan

Siegella

Claude Borelli

Miranda Van Zelden

Véra Norman

Susanne, assistant of Miranda

Jacqueline Pierreux

Dora

Roland Bailly

Johny

Guy Decomble

Jacques 'le Dingue'

Luc Andrieux

Maurice

Émile Genevois

Siegella's Henchman

Henry Djanik

William Bosco

Gil Delamare

Siegella's Henchman

Roger Goze

Jacques Angelvin

French Judiciary Director

Don Ziegler

Interpol Agent

Raymond Francky

Louis Viret

Siegella's Henchman

Colette Mareuil

Woman Fainting aboard the Black Swan

Michel Nastorg

Goyas the Black Swan's Host

Michel Seldow

Pierrot 'les Cartes'

Luce Aubertin

Woman at Fashion Show (uncredited)

Jacques Richard

Siegella's Henchman (uncredited)