Dagmar Lassander
— Maria
Philippe Leroy
— Dr. Sayer
Lorenza Guerrieri
— Gida
Varo Soleri
— Administrator
Maria Cumani Quasimodo
— Sayer's Secretary
Mirella Pamphili
— Streetwalker
Manlio Dalla Pria
— Politician (uncredited)
Salvatore Furnari
— Dwarf (uncredited)
John Karlsen
— Manservant (uncredited)
Gennarino Pappagalli
— Passerby (uncredited)
Osvaldo Peccioli
— Politician (uncredited)
Filippo Perego
— Politician (uncredited)