In order to get the raspy voice of a man who is supposed to be over 120 years old, Dustin Hoffman sat in his dressing room and screamed at the top of his lungs for an hour.
The role of Chief Old Lodge Skins was initially offered to Marlon Brando, who turned it down.
The main tune played when the the 7th Cavalry were attacking on the Washita River and during the Battle of Little Big Horn is an Irish jig titled "Garry Owen". This song was the official song of the Seventh Cavalry of the U.S. Army - General Custer's cavalry. However, the music is actually a medley which consists of The Garry Owen and St. Patrick's Day
Near the site of Custer's Last Stand, you will find a village named Garryowen, the name of the jig played by Custer's cavalry.
Bob Hope was booed by the audience of the Academy Awards when he said this racist joke about Chief Dan George: "Chief Dan George, he was all right; but why couldn't they give that part to an American?"
Dustin Hoffman was entered into The Guinness Book of World Records as "Greatest Age Span Portrayed By A Movie Actor" for Little Big Man (1970) in which he portrayed a character from age 17 to age 121.