Sing, Boy, Sing is a 1958 musical-drama film, released by 20th Century Fox. The film starred two newcomers, Tommy Sands and Lili Gentle.The film was an expansion of the January 1957 Kraft Television Theatre episode "The Singin' Idol", also starring Sands. Sands, billed by the studio as a potential new teen idol, played an Elvis Presley-type singer. The film was Gentle's only starring role, and her penultimate film appearance.