 Canadian singer Gisele MacKenzie, who toured with Benny in the early 1950s, guest starred seven times on "The Jack Benny Program".Benny was so impressed with MacKenzie's talents that he served as co-executive producer and guest starred on her 1957–1958 NBC variety show, "The Gisele MacKenzie Show".In 1964, Walt Disney was a guest, primarily to promote his production of "Mary Poppins".