Castle Hill Prods. has acquired U.S. rights to Jazz Pictures’ noir drama “Little Boy Blue,” which stars Ryan Philippe, Nastassja Kinski, John Savage, Tyrin Turner and Shirley Knight. The film will be released in April or May.The film, which was directed by Antonio Tibaldi, was produced by Amedeo Ursini and written by Michael Boston. It premiered in the U.S. at the 1997 Hamptons Intl. Film Festival, and won best picture award at Italy’s Intl. Mystery Film Festival.