A clumsy, overweight fairy, she appeared in several storytelling episodes. Kelly had been an old flame of Jack's, who had fallen on hard times. Benny was unsure of whether to give Kelly a regular role and instead appealed to friend George Burns, who put her on his show in 1939 as Mary "Bubbles" Kelly, best friend to Gracie. Gisele MacKenzie – A singer and violin player, she guest-starred seven times on the program. Blanche Stewart contributed a variety of characters and animal sounds. Barry Gordon played Jack Benny as a child in a skit where Jack played his own father. Johnny Green was the band leader until 1936, when Phil Harris joined the show. Harry Baldwin – Jack Benny's secretary, who also played "The Knocking Man," a character who would knock on the door, enter, say something ridiculous, then leave. He also played a variety of other roles. See also Jack Benny and the Golden Age of American Radio Comedy Notes References External links Jack Benny Collection for Radio & Television – Paley Center for Media Audio Collection of Jack Benny radio show. Jack Benny radio show collection Zoot Radio, 766 free old time radio show downloads of The Jack Benny radio show Jack Benny radio show at oldclassicradio.com 1950 American television series debuts 1965 American television series endings 1932 radio programme debuts 1955 radio programme endings 1930s American radio programs 1930s in comedy 1940s American radio programs 1950s American radio programs 1930s American television series 1940s American television series American comedy radio programs Black-and-white American television shows CBS original programming English-language television shows NBC original programming Radio programs adapted into television shows Television series about show business Television series based on radio series Primetime Emmy Award for Outstanding Comedy Series winners United States National Recording Registry recordings CBS Radio programs NBC radio programs NBC Blue Network radio programs American live television series 1950s American comedy television series 1960s American comedy television series Television series by Universal Television Jack Benny