In 1966, Fuller starred in the Western film "Incident at Phantom Hill". That same year, he portrayed the ill-fated western military Captain William Judd Fetterman in the episode "Massacre at Fort Phil Kearney," near Fort Phil Kearny in Wyoming, one of NBC's "Bob Hope Presents the Chrysler Theatre." His co-stars included Richard Egan, Phyllis Avery, Robert Pine, and Carroll O'Connor. He also appeared in the 1969 thriller "What Ever Happened to Aunt Alice?", opposite Ruth Gordon and Geraldine Page, and co-starred with Joel McCrea in the 1976 western "Mustang Country", McCrea's last movie. He also had a role in the 1979 TV action movie "Disaster on the Coastliner", opposite Lloyd Bridges and Raymond Burr.