Mimsy Farmer as Helen Wells

Jean-Luc Bideau as Philippe Mansart

Michael Lonsdale as David Sutter

Michel Constantin as Le capitaine Nimier

Jean-Pierre Marielle as Albert Danville

Philippe Léotard as Paul Danville

Paul Crauchet as Rollin

Michel Robin as Chamond

Gérard Darrieu as Maurois

Françoise Brion as Françoise Sutter

Georges Géret as Le braconnier

Michel Fortin as Le chauffeur de taxi

Béatrice Costantini as Fernande

Françoise Giret as Mme Leulliot

Gisèle Grandpré as Mme Paulette

Jean-Marie Richier as Un employé de la SNCF