Chiwa SaitoHazuki (voice) / Vocals Hiroshi KamiyaKouhei Morioka (voice) Takahiro SakuraiMido Seiji Takashi MatsuyamaCount Heinrich von Kinkell Marina InoueMorioka Kohei (Young) Miho NagahoriKohei's Mother Shin OonumaDirector / Key Animation Nobuyuki TakeuchiDirector / Key Animation Tatsuya OishiDirector / Key Animation Hiroyuki BirukawaProducer Shiro SasakiExecutive Producer Satoru KuwabaraArt Direction Dimitri From ParisMusic Producer Chiwa SaitoHazuki (voice) / Vocals Yukari HashimotoTheme Song Performance / Lyricist Masao FukudaMusic Producer Toshiki KameyamaSound Director Daisaku KumeOriginal Music Composer yukaTheme Song Performance / Lyricist Minoru YamadaSound Effects Naruyoshi KikuchiMusic Arranger Yasushi SakuraiMusic Arranger Miyu MatsukiTheme Song Performance Mai KadowakiTheme Song Performance Masahiro AizawaAnimation Director Hitoshi HibinoColor Designer Kyoko KametaniKey Animation Miyako NishidaAnimation Director Kazuhiro OtaKey Animation Hiroko ShigekuniKey Animation Kiyoshi MatsushitaKey Animation Yuichi NakazawaKey Animation Masahiko ItojimaAnimation Director Kazuki NakamotoKey Animation Shinsuke IshikawaKey Animation Tsutomu MiyazawaKey Animation Hidenori FukuokaKey Animation Nobuhiro SugiyamaKey Animation Kazuya ShiotsukiKey Animation Sumie KinoshitaKey Animation Kazuya MiuraKey Animation Hideyuki MoriokaKey Animation Hiroyuki OkunoKey Animation Takafumi HinoKey Animation Kazuya MorimaeKey Animation Kouji ShiyoukiKey Animation Gen'ichirou AbeKey Animation Mitsuhiro YonedaKey Animation Lee Sang-jinKey Animation Ayumu KotakeKey Animation Naoya FurukawaKey Animation Yoshito NarimatsuKey Animation Takehiro HamatsuKey Animation 
