Saori OnishiChateau Dankworth (voice) Hiro ShimonoSong Ryang-ha (voice) Kenyu HoriuchiEuripedes Ritzland (voice) Ayumu MuraseJinon (voice) Masakazu MoritaNikka (voice) Hochu OtsukaDonny (voice) Wataru TsuyuzakiMember 1 (voice) Katsunori OkaiMember (voice) Toshiki MasudaSong Ryang-ha (boy) (voice) / Theme Song Performance Shinobu SatouAnna Dankworth (voice) Maaya SakamotoHawk Ritzland (voice) Yoshito YasuharaAbel Dankworth (voice) Genki MuroLiszt Noble (voice) Hiroshi TsuchidaSeung-woo (voice) Yuuki SanpeiMember 3 (voice) Miho SakurazakaSong Ryang-ha (boy) (voice) Seira RyuBlackmailer girl (voice) Hinako TakahashiFemale detective (voice) Masashi NogawaDetective A (voice) Ken MizukoshiMember 4 (voice) Shitan EnHomeless man (voice) Hiromichi MatanoReżyseria Norihiko NagahamaReżyseria Katsuhiko MatsubaraExecutive Producer Fumihiko ShinozakiExecutive Producer Masaki MayuzumiArt Direction Akane FushiharaDirector Of Photography Hideaki ŌbaSeries Director Yasuhiro SaikiAction Director Hajime TakakuwaSound Director Aika KobayashiTheme Song Performance Toshiya WadaSound Effects Toshiki MasudaSong Ryang-ha (boy) (voice) / Theme Song Performance Kei YoshikawaOriginal Music Composer Hiromichi OishiProduction Supervisor Yoko SatoSupervising Animation Director Aiko YamagamiColor Designer Toshimitsu KobayashiSupervising Animation Director Shinichiro KajiuraAnimation Director Shinichiro MinamiAnimation Director Koji OgawaAnimation Director Ayumu HisaoSeries Composition 
