Question: are they really speaking sioux in dances with wolves?
Answer: Kevin Costner Said the Words but Doris Leader Charge Made the Dances Dialogue Truly Sioux. ... It was how to re-create an all but lost language—the Lakota dialect spoken by Sioux tribes in the 1860s, when the movie takes place. “Of all the extras, not one of them was a fluent Lakota speaker,” says Wilson.