Plans by producer Artur Brauner to shoot at the original locations in Mexico were dropped in favor of Yugoslavia, where many other Karl May movies were filmed.
Upon release the German press found the movie rather uninspiring and dull, even though it stuck by the original Karl May novels much closer than its predecessors.
Teresa Lorca and Gérard Barray met while filming Treasure of the Aztecs and it's sequel Pyramid of the Sun God, where they played lovers Karja and Count Alfonso. They later married and had two children, and stayed together until Barray's death in 2024.
Fulvija Irvermizzi's debut.