Iron Eyes Cody
He began acting in movies in the 1930s.  He was in more than 100 movies, for example A Man Called Horse, Sitting Bull, and Paleface.  He was on television on Bonanza, Gunsmoke, and Rawhide.  He sometimes acted with Colleen Moore, John Wayne, Richard Harris, and Steve McQueen. So many people believed he really was Native American that they paid him to be a consultant when they made movies or television shows.