In 1962, he played the part of Art Fuller in the episode "Incident of El Toro" on CBS's "Rawhide"; and in 1963, he returned to play Willie Cain in the episode "Incident at Spider Rock." Best made two guest appearances on "Perry Mason". In 1963 he played title character Martin Potter in "The Case of the Surplus Suitor," and in 1966 he played defendant and oilman Allan Winford in "The Case of the Unwelcome Well." He appeared on a long list of other television series in the 1950s and 1960s, including "Wagon Train" (three times), "Laramie" (three times), "The Adventures of Kit Carson" (twice as Henry Jordan), the western anthology series "Frontier" (twice), "The Rebel", "Bonanza", "Sheriff of Cochise", "Pony Express", "Rescue 8", "The Texan", "Gunsmoke", "Have Gun – Will Travel", "The Barbara Stanwyck Show", "Tombstone Territory", "Whispering Smith", "Trackdown", "The Rifleman", "Cheyenne", "Stagecoach West"," "," Overland Trail"," Bat Masterson"," Alfred Hitchcock Presents", "Combat!", "The Green Hornet "("Deadline For Death")," The Mod Squad"," I Spy", "The Fugitive" and "Flipper". He made a guest appearance on "Honey West" "A Matter of Wife and Death" (episode 4) in 1965.