Lorenzino de 'Medici manipulates Alessandro ruler of Florence to save his beloved Bianca.
Alexander Moissi
as Lorenzino de Medici
Camillo Pilotto
as Duca Alessandro de' Medici
Germana Paolieri
as Bianca Strozzi
Umberto Palmarini
as Filippo Strozzi
Paolo Stoppa
as Giomo, soldato del Duca Alessandro
Teresa Franchini
as Maria Soderini
Maria Denis
as Nella
Sandro Salvini
as Francesco Guicciardini
Mario Steni
as Michele del Tavolaccino
Mario Ferrari
as Ser Maurizio
Raimondo Van Riel
as Benvenuto Cellini
Giovanni Dal Cortivo
as Il legato pontificio