Bio
Walker Edmiston (6 February, 1925 – 15 February, 2007) was an American actor, voice-over artist and puppeteer who appeared on various television programs in character roles during the 1950s – 1970s, including Gunsmoke, Mission: Impossible, Knots Landing and The Dukes of Hazzard.
He also voiced the role of Sir Thornberry in the animated television series The Gummi Bears.
Edmiston died of cancer in Woodland Hills, California on February 15, 2007.