Lee posted on Twitter last week that he would not watch the film because it would be "disrespectful to my ancestors."
"American Slavery Was Not A Sergio Leone Spaghetti Western. It Was A Holocaust. My Ancestors Are Slaves. Stolen From Africa. I Will Honor Them," he wrote.
Italian actor Franco Nero, who played the title role in the 1966 "Django" and has a cameo in "Django Unchained," said both movies are "political," ANSA reported.
Tarantino is "one of the few complete-total directors that exist, like [Woody] Allen, Oliver Stone and Paul Mazursky," Nero said. "It is a pleasure to work with him, but he wants perfection."
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