Shelby Fredrick "Sheb" Wooley (April 10, 1921 – September 16, 2003) was a character actor and singer, best known for his 1958 novelty song "The Purple People Eater." He played Ben Miller, brother of Frank Miller, in the film "High Noon"; played Travis Cobb in "The Outlaw Josey Wales"; and also had a co-starring role as scout Pete Nolan in the television series "Rawhide."
The character Frank Miller from the film "High Noon" was portrayed by Shelby Fredrick "Sheb" Wooley 
The context states that Shelby Fredrick "Sheb" Wooley played Ben Miller in "High Noon," not Frank Miller. The system may have been confused by the phrasing of the statement. 