in 1955, he appeared as samuel mason on abc's "disneyland" miniseries "davy crockett", starring fess parker. from 1957–1959, mills co-starred with rex reason in the syndicated western series "man without a gun". he portrayed marshal frank tillman. reason played his friend, adam maclean, editor of the "yellowstone sentinel" newspaper. in 1961 he appeared as jack saunders in the tv western "lawman" in the episode titled "owny o'reilly." in the 1965 three stooges film, "the outlaws is coming," mills played trigger mortis.