Aria
葉月絵理乃Akari Mizunashi (voice)
Sayaka OharaAlicia Florence (voice)
西村ちなみAria Pokoteng (voice)
Kaori MizuhashiAi Aino / Hime M. Granzchesta (voice)
Chiwa SaitoAika S. Granzchesta (voice), Akina (voice)
Ryo HirohashiAlice Carroll (voice), Glass Shop Customer (voice), Anita (voice)
Akeno WatanabeAlbert 'Al' Pitt / Maa (voice), Albert 'Al' Pitt (voice), Aleph (voice), Maa (voice)
Tomoko KawakamiAngie (voice), Athena Glory (voice)
Junko MinagawaAkira E. Ferrari (voice), Aki (voice)
Hirofumi NojimaAkatsuki Izumo (voice)
Yuji UedaUdo 'Woody' Ayanokohji the 51st (voice)
Yoshiko MatsuoAkino 'Grandma' Ametsuchi (voice)
木川絵理子Ayame (voice), Girl A (voice), Ai's Mother (voice), Undine A (voice), Arata (voice), Orange Planet Senior 2 (voice)
Motomu KiyokawaNamihei 'Mr. Mailman' Anno (voice)
Hisao EgawaAkatsuki's Brother (voice)- 富富坂晶Akio (voice), Orange Planet Undine 1 (voice)
渡辺智美Undine C (voice), Boy A (voice), Wife (voice)
Masayo KurataAmi (voice)
Yoko AsadaAkiko Hoshino (voice)
Unsho IshizukaCafé Owner (voice)
Yuko SanpeiAkatsuki Izumo as a Child (voice)
又吉愛Orange Planet Undine 2 (voice), Girl B (voice)
Kimiko SaitoUdo 'Woody' Ayanokohji the 51st as a Child (voice)
Tomohisa AsoAi's Father (voice), Baked Potato Seller (voice)
杉山大Garçon (voice)
Emiri KatoPair Undine B (voice), Young Lady (voice)
Wataru HatanoAtsushi (voice), Himeya Staff Member B (voice)
斉藤隆史Waiter (voice), Band Member A (voice)- 澤澤田将考Lock Keeper (voice), Middle-Aged Man (voice)
Megumi ToyoguchiAmelie (voice)
Kohsuke ToriumiArashi (voice)
くまいもとこSora (voice)
松来未祐Ayano (voice)
宮田幸季Anton (voice)
Fumihiko TachikiOld Man Apa (voice)
Emi ShinoharaWoman in Mourning Dress (voice)
飯塚雅弓Akatsuki's Mother (voice)
Toru NaraAkatsuki's Brother as an Adolescent (voice)
Ikuko TaniOld Lady (voice)
阪脩Old Man (voice)
Shinya FukumatsuPerformer A (voice)
Shinji KawadaPerformer B (voice)
那須めぐみCustomer (voice)
水沢史絵Underclassman 1 (voice)
岡村明美Agatha (voice)
羽鳥靖子Old Lady (voice)
Yuichi NakamuraPostman (voice)
Keiko YamamotoOld Lady (voice)
Mai AizawaPair Undine A (voice)
Fuyuka OnoSingle Undine A (voice)
鈴木琢磨Old Man (voice)
幸田夏穂Old Lady (voice)
松本考平Waiter (voice)
Mai NakaharaTsukiyo (voice)
Chihiro SuzukiKatori (voice)- 髙髙月希海Old Lady A (voice)
- タタカハシサヲリOld Lady B (voice)
高田べんOld Man A (voice)
久嶋志帆Shopwoman (voice)
Kenichi OgataMaestro (voice)
Atsushi OnoMaster (voice)
市川展丈Shopkeeper (voice)
山口登Gondolier (voice)
丸山詠二Old Man (voice)
Kazuhiko KishinoMaestro (voice)
園部好徳Middle-Aged Man (voice)
Hiro ShimonoMan B (voice)
Masako IsobeMother (voice)
Ayumi FujimuraDaughter (voice)- 宮宮下道央Gondola Customer (voice)
Kazuko SugiyamaAmaranta (voice)
Takahiro MizushimaAnri (voice)
菊池こころBoy B (voice)
Ryoko ShiraishiAyumi K. Jasmine (voice)
Hōko KuwashimaAtla 'Atora' Monteverdi (voice)
Kana AsumiAnzu Yumeno (voice)- 細細越みちこVeteran Undine (voice)
- 鈴鈴村近雄Male Customer (voice)
- 澤澤乃彩Vendor (voice)
桜木信介Shipping Agent (voice)
樋渡宏嗣Marketman (voice)
早水リサAnna (voice)
Tokuyoshi KawashimaAlbert (voice)
Yumiko KobayashiAhito (voice)
大谷美貴Himeya Undine B (voice)- すすじこHimeya Undine C (voice)
- 大大窪晶Father (voice)
紗ゆりBoard Chairman (voice)- 小小池いずみUnderclassman A (voice)
Mayuki MakiguchiUnderclassman B (voice)
Junji MajimaUnderclassman D (voice)
木村はるかHimeya Undine B (voice)
大原崇Husband (voice)
巻島康一Old Husband (voice)- 大大原真理子Old Lady (voice)
宮崎寛務Young Father (voice)
太田さとりRegatta Competitor (voice)
Yumi UchiyamaWoman B (voice)
Hideki TasakaHimeya Staff Member A (voice)
Yoshimasa HosoyaMan (voice)
福原耕平Man (voice)
太田哲治Father of the Boy (voice)
Tsubasa ShunraikiAkane (voice)
一木美名子Akane's Mother (voice)
星野充昭Craftsman (voice)
大久保利洋Middle-Aged Man
足立友Female Customer B (voice)
土屋トシヒデOld Man (voice)
松尾まつおPuppeteer (voice)
Saori SetoGirl A (voice)
白熊寛嗣Artisan 1 (voice)