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