Gil Vidal as Renzo Tramaglino

María Silva as Lucia Mondella

Carlo Campanini as Don Abbondio

Ivo Garrani as L'Innominato

Lilla Brignone as Perpetua

Umberto Raho as Padre Cristoforo

Arturo Dominici as Cardinale Federigo Borromeo

Ilaria Occhini as La monaca di Monza

Paolo Carlini as Egidio

Manuel Monroy as Don Rodrigo

Amália Rodrigues as

Miguel del Castillo as

Antonio Riquelme as

Juan Cortés as

Lorenzo Robledo as

Nando Angelini as

José María Tasso as

José Moreno as

Alfonso Rojas as

Gastone Moschin as Narrator (voice)

Ángel Álvarez as (uncredited)

Maria Piazzai as (uncredited)