Anthony Quinn
(Kublai Khan, Mongol Emperor of China),
Orson Welles
(Akerman, Marco's Tutor),
Orson Welles
(Akerman, Marco's Tutor),
Omar Sharif
(Emir Alaou),
Horst Buchholz
(Marco Polo),
Guido Alberti
(Pope Gregory X),
Grégoire Aslan
(Achmed Abdullah),
Michel Bouquet
(Narrateur),
Bruno Cremer
(Guillaume de Tripoli, a Knight Templar),
Massimo Girotti
(Nicolo Polo, Marco's Father),
Massimo Girotti
(Nicolo Polo, Marco's Father),
Robert Hossein
(Prince Nayam, Mongol Rebel Leader),
Folco Lulli
(Spinello, Venetian Merchant),
Elsa Martinelli
(The Woman with the Whip),
Jacques Monod
(Nicolo de Vicenza, a Knight Templar),
Lynne Sue Moon
(Princess Gogatine),
Maria Virginia Onorato
(Alaou's Wife),
Maria Virginia Onorato
(Alaou's Wife),
Mica Orlovic
(Matteo Polo, Marco's Uncle),
Mica Orlovic
(Matteo Polo, Marco's Uncle),
Akim Tamiroff
(The Old Man of the Mountain),
Mansoureh Rihai
(Taha)