Burt is an actor best known for playing Dick Grayson's Robin, the sidekick of Batman (played by Adam West), in the television series Batman (1966–1968), its theatrical feature film, the Saturday morning animated series The New Adventures of Batman (1977), the two-episode pilot Legends of the Superheroes (1979), the animated reunion films Batman: Return of the Caped Crusaders (2016) and Batman vs. Two-Face (2017), and the live-action television event Crisis on Infinite Earths (2019).