The movie was shot in 35mm Technicolor in Almería, Spain, and involved the construction of the huge adobe fortress set that was re-used in later films, including Conan the Barbarian (1982) and March or Die (1977)'.
O filme foi rodado en 35mm en Technicolor en Almería, España, e para a rodaxe creouse unha gran fortaleza de adobe que foi reutilizada para outros filmes, como Conan o bárbaro (1982) e March or Die (1977)'.