His film career stalled in the late 1950s, as was the case for many actors once under contract to the studios. Fuller moved to a career in television, where he appeared on the shows Bat Masterson, The Rifleman, 77 Sunset Strip, Maverick (in the episode "The Cats of Paradise", in which he played a spoof of "Paladin" from Have Gun, Will Travel opposite James Garner and Buddy Ebsen), The Twilight Zone, Tombstone Territory and others. He quit the Business in 1962, after resisting several offers from Warner Brothers to star in his own series.