Walker Edmiston was an American actor and voice-over artist who was born in St. Louis, Missouri. During the 1950s to 1970s, he appeared on various television programs playing character roles, including Gunsmoke, Mission Impossible, Knots Landing, and The Dukes of Hazzard, all on CBS. In 1966, Edmiston had a recurring role as Regan in the short-lived ABC comedy western series, The Rounders, alongside co-stars Ron Hayes, Patrick Wayne, and Chill Wills. He passed away from cancer at the age of 82 on February 15, 2007, just nine days after his birthday. Edmiston is best known for providing the voiceover as Inferno in Transformers Generation 1.