Gordon Scott as Manrico Venier

Gianna Maria Canale as Rosanna Melzi

Alberto Farnese as Titta

Giulio Marchetti as Gualtiero

Rik Battaglia as Giandolo

Franca Bettoia as Isabella Fieschi

Feodor Chaliapin Jr. as The Doge

Mirko Ellis as Civetta

John Bartha as Conte Fieschi

Franco Fantasia as Vipera

Giulio Maculani as Ostenberg

Attilio Severini as

Anna Maria Padoan as