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