 He guest-starred as baseball coach Whitey Martin in the 1956 episode "The Comeback" on "Crossroads".He was cast as Gus Andrews and Miles Breck, respectively, in two episodes titled "The time for All Good Men" (1957) and "King of the Frontier" (1958) on "The Life and Legend of Wyatt Earp" starring Hugh O'Brian.In 1958, Withers portrayed the wealthy rancher Sam Barton in the episode "The Return of Dr. Thackeray" of "Have Gun - Will Travel".