Best guest-starred more than 280 times in various television series. In 1954, he played the outlaw Dave Ridley, opposite Gloria Winters as the female bandit "Little Britches" in an episode of "Stories of the Century". In 1954, Best appeared twice on the syndicated "Annie Oakley" series, starring Gail Davis and Brad Johnson. In 1955, he played Jim Blake on "The Lone Ranger", Season 4, Episode 47, along with Clayton Moore & Jay Silverheels. He was cast in the religion anthology series "Crossroads", in its 1956 episode "The White Carnation." He was also cast on an episode of Jackie Cooper's early NBC sitcom "The People's Choice" and in the David Janssen crime drama "Richard Diamond, Private Detective".