Passionate Productions for BBC ; produced for NOVA by Holt Productions, LLC ; WGBH Boston ; produced and directed by Jemima Harrison and Sarah Holt ; writer for the BBC, Jemima Harrison ; executive producer for the BBC, Richard Klein ; senior executive producer, Paula S. Apsell
produced by TMS Entertainment Ltd. ; producers, Michihiko Suwa & Masahito Yoshioka ; directed by Kenji Kodama. English language version: FUNimation Productions, Ltd. ; producers, Carly Hunter, Justin Cook