Burt Lancaster
Professor
Helmut Berger
Konrad Huebel
Silvana Mangano
Marquess Bianca Brumonti
Claudia Marsani
Lietta Brumonti
Stefano Patrizi
Stefano
Elvira Cortese
Erminia
Philippe Hersent
Doorman
Guy Tréjan
Art Dealer
Jean-Pierre Zola
Blanchard
Umberto Raho
Police Inspector Bernai
Enzo Fiermonte
Police Inspector
Romolo Valli
Michelli
Valentino Macchi
Vittorio Fanfoni
Lorenzo Piani
Margherita Horowitz
Maid
Claudia Cardinale
Professor's Wife (uncredited)
Dominique Sanda
Professor's Mother (uncredited)
George Clatot
