On screen
Cast
13 credited performers
Gordon Scott
Manrico Venier
Gianna Maria Canale
Rosanna Melzi
Alberto Farnese
Titta
Giulio Marchetti
Gualtiero
Rik Battaglia
Giandolo
Franca Bettoia
Isabella Fieschi
Feodor Chaliapin Jr.
The Doge
Artwork unavailable
Mirko Ellis
Civetta
John Bartha
Conte Fieschi
Franco Fantasia
Vipera
Giulio Maculani
Ostenberg
Attilio Severini
Character not listed
Artwork unavailable
Anna Maria Padoan
Character not listed