Maar performed as the voice and body model for The Noid in the popular Domino's Pizza commercials of the 1980s. His first feature film as an actor was Return to Oz (1985), where he also worked behind the scenes as a performance co-ordinator. His work on that film led to roles in other fantasy films, including The Golden Child (1986) and Masters of the Universe (1987). He worked as a performer for the entire 65-episode run of the television series Dinosaurs and co-starred in the film Theodore Rex (1995). Recently, he served for two years as co-head of the Puppeteer committee for the Screen Actors Guild (SAG).