Gary Cooper
Marco Polo
Sigrid Gurie
Princess Kukachin
Basil Rathbone
Ahmed
George Barbier
Kublai Khan
Binnie Barnes
Nazama
Ernest Truex
Binguccio
Alan Hale
Kaidu
H.B. Warner
Chen Tsu
Robert Greig
Chamberlain
Ferdinand Gottschalk
Persian Ambassador
Henry Kolker
Nicolo Polo
Lotus Liu
Visakha
Stanley Fields
Bayan
Harold Huber
Toctai
Lana Turner
Maid
Ward Bond
Mongol Guard (uncredited)
Richard Farnsworth
Mongol Warrior (uncredited)
Hale Hamilton
Maffeo Polo (uncredited)
Theodore von Eltz
Venetian Business Man (uncredited)