Characters played by Lex Barker
Sandrigo Bembo
Characters played by Guy Madison
Rodrigo Zeno
Characters played by Alessandra Panaro
Leonora Danin
Characters played by Mario Petri
Boia Guarnieri
Characters played by Alberto Farnese
Michele Arcà
Characters played by Giulio Marchetti
Bartolo
Characters played by Feodor Chaliapin Jr.
Doge Giovanni Bembo
Characters played by Franco Fantasia
Pietro
Characters played by Raf Baldassarre
Messere Grimani
Characters played by Mirella Roxy
Smeralda
Characters played by Marija Tocinoski
[no data]
Characters played by John Bartha
Messere Leonardo
Characters played by Attilio Severini
Menego Zanin
Characters played by Giulio Maculani
[no data]
Characters played by Giuliana Farnese
(as Farnese Oggi Giuliana)
Characters played by Romano Giomini
[no data]
Characters played by Bruno Ariè
Nobleman