Cameron Mitchell
— Cesare Borgia
Conrado San Martín
— Riccardo Brancaleone
Maria Grazia Spina
— Ginevra
Gloria Milland
— Caterina Sforza
Franco Fantasia
— Veniero
Robert Dean
— Nobleman
Dina De Santis
— Lavinia Serpieri
Gloria Fernán Osuna
— Lucrezia Borgia
Nino Persello
— Tito Serpieri
Gianni Solaro
— Captain Serpieri
Giovanni Vari
— Commandant Morialdo
Silvio Bagolini
— Serafino
Antonio Casagrande
— Assassin
Piero Gerlini
— Gabino
Giulio Maculani
— Giulio