Gina Lollobrigida
— Sylvia Sorrego / Helena Ricci
Jean-Claude Pascal
— Pierre Martel
Arletty
— Blanche
Raymond Pellegrin
— Mario
Peter van Eyck
— Fred
Jean Témerson
— Xavier Noblet
Jean Hébey
— Police commissioner
Jo Dest
— Karl, boss of the bistro
Paul Amiot
— Captain (uncredited)
Odette Barencey
— Gertrude (uncredited)
Charles Bayard
— (uncredited)
Gérard Buhr
— Legionnaire (uncredited)
Leila Farida
— Aïcha (uncredited)
Georges Vitray
— Hotel doorman (uncredited)
Roger Vincent
— Maître d'hôtel (uncredited)
Marcel Rouzé
— Hotel doorman (uncredited)
Bernard Musson
— Painter (uncredited)
Darling Légitimus
— (uncredited)
Gabrielle Fontan
— Religious (uncredited)