Hasdi, stop using Red Cliff as an example. Paramount can break the racial barrier by having Asians and Native Americans in the movie. Who cares if it does well in the box office, what matters is that a good movie is made. Regarding the ambiguity of the character's "races", the only shortcut is to hire mainly Asians and Native Americans, rather than settle with white actors. A pale Katara or Sokka and a tanned Zuko does not scream "ambiguous".