Curtis's work in westerns included the Clint Eastwood feature, High Plains Drifter (1973) in which he featured as Mordecai, a friendly dwarf sympathetic to Eastwood, he also appeared in the Musical/Western The Terror of Tiny Town (1938). This film is, as far as is known, the world's only Western with an all-midget cast. Many of the actors in Tiny Town were part of a performing troupe called Singer's Midgets, who also played Munchkins in The Wizard of Oz. In 1972 he appeared as Arizona in an episode of Gunsmoke titled "Arizona Midnight." He had a starring role in American International Pictures' Little Cigars (1973), about a gang of small people on a crime spree.