 By six (1949) he was working on national television, radio, films, theatre and commercials.His first two movie appearances were in "A Yank in Korea" and "Queen for a Day", followed by "M" (1951 U.S. remake), "Hans Christian Andersen" (1952), "The Greatest Show on Earth" (1952) and "Apache" (1954).Burr’s first recurring television role (1950-1951) was as next door neighbor Oliver Quimby on "The Ruggles" situation comedy starring Charlie Ruggles.