 | Manaka Iwami als Maquia (voice) |
 | Miyu Irino als Ariel (voice) |
 | Yuuki Sakurai als Young Ariel (voice) |
 | Ai Kayano als Leilia (voice) |
 | Yuki Kaji als Krim (voice) |
 | Yoshimasa Hosoya als Lang (voice) |
 | Rina Sato als Mido (voice) |
 | Yoko Hikasa als Dita (voice) |
 | Miyuki Sawashiro als Racine (voice) |
 | Tomokazu Sugita als Izor (voice) |
 | Misaki Kuno als Medmel (voice) |
 | Hiroaki Hirata als Barlow (voice) |
 | Jo Bin als Young Lang (voice) |
 | Yuki Kurimoto als Young Dita (voice) |
 | Junnosuke Shishido als Young Deol (voice) |
| Taichi Iwakawa als Baby Ariel (voice) |
 | Hiroshi Iwasaki als King of Mezarte (voice) |
 | Keisuke Komoto als Prince Hazel (voice) |
 | Shunsuke Sakuya als Darel (voice) |
| Miyako Ito als Old Lady (voice) |
 | Mayumi Asano als Proprietress (voice) |
 | Takehiro Hasu als General Store Owner (voice) |
 | Yuuya Uchida als King of Baiera (voice) |
 | Ai Maeda als Millia (voice) |
 | Hiroki Matsukawa als Doctor (voice) |
 | Ryota Iwasaki als Hyke (voice) |
 | Daisuke Motohashi als Riko (voice) |
 | Masaaki Mizunaka als Jack (voice) |
 | Junichi Yanagita als Eido (voice) |
 | Kouji Kawakami als Government Minister (voice) |
 | Kenta Sasa als Government Minister (voice) |
 | Miyuri Shimabukuro als Shrine Maiden (voice) |
 | Shogo Yano als Iorph Man (voice) |
 | Jun Kasama als Soldier (voice) |
 | Hayato Fujii als Soldier (voice) |
 | Ryunosuke Watanuki als Soldier (voice) |
| Kazuhiro Wakabayashi | Sound Director |
| Kazuki Higashiji | Art Direction |
| Mari Okada | Director |
| Kenji Kawai | Original Music Composer |
| Katsue Inoue | Color Designer |
| Mari Okada | Screenplay |
| Toshiya Shinohara | Assistant Director |
| Yuriko Ishii | Character Designer |
| Yuriko Ishii | Supervising Animation Director |
| Tomoaki Okada | Art Designer |
| Tomoaki Okada | Concept Artist |
| Toshiyuki Inoue | Lead Animator |
| Tadashi Hiramatsu | Second Unit Director |
| Michiya Kato | VFX Supervisor |
| Tomohisa Shitara | CGI Director |
| Satoshi Namiki | Director of Photography |
| Ayumu Takahashi | Editor |
| Terushige Yoshie | Music Producer |
| Naoko Endo | Producer |
| Tomomi Kyotani | Producer |
| Nobuhiro Takenaka | Producer |
| Nobuhiro Kikuchi | Producer |
| Mie Kasai | Background Designer |
| Yuki Nomura | Background Designer |
| Kazuki Higashiji | Background Designer |
| Toshie Honda | Background Designer |
| Tsukasa Kakizakai | Background Designer |
| Yuuki Hatakeyama | Background Designer |
| Kurumi Suzuki | Background Designer |
| Miho Sugiura | Background Designer |
| Rie Sonehara | Background Designer |
| Kaori Hoshiba | Background Designer |
| Erika Okazaki | Background Designer |
| Yoko Nukumizu | Background Designer |
| Nguyen Trang | Background Designer |
| Yusuke Ikeda | Background Designer |
| Le Mai | Background Designer |
| Dao Hung | Background Designer |
| Hoang Mai | Background Designer |
| Tatsuya Kushida | Background Designer |
| Natsumi Murakata | Background Designer |
| Yusuke Watanabe | Background Designer |
| Yuka Ohashi | Background Designer |
| Minami Usui | Background Designer |
| Mizuka Ueda | Background Designer |
| Ayumi Sato | Background Designer |
| Kayoko Tokou | Background Designer |
| Akari Furuse | Background Designer |
| Mizue Shouchi | Background Designer |
| Yuka Hirama | Background Designer |
| Yuko Yano | Background Designer |
| Toshiyuki Inoue | Character Designer |
| Tadashi Hiramatsu | Character Designer |
| Toshiya Shinohara | Second Unit Director |
| Tadashi Hiramatsu | Animation Director |
| Tadashi Hiramatsu | Key Animation |
| Tatsuyuki Nagai | Second Unit Director |
| Heo Jong | Second Unit Director |
| Takehiro Ishimoto | Prop Designer |
| Takehiro Ishimoto | Key Animation |
| Yuriko Ishii | Animation Director |
| Noriko Ito | Animation Director |
| Noriko Ito | Key Animation |
| Kosuke Kawatsura | Animation Director |
| Masakazu Hashimoto | Second Unit Director |
| Kosuke Kawatsura | Key Animation |
| Toshiyuki Inoue | Key Animation |
| Kazuki Hoshino | Key Animation |
| Hidetsugu Ito | Key Animation |
| Takaaki Yamashita | Key Animation |
| Takeshi Honda | Key Animation |
| Masahiro Sato | Key Animation |
| Akira Honma | Key Animation |
| Fumie Imai | Key Animation |
| Ei Inoue | Key Animation |
| Hideki Takahashi | Key Animation |
| Ryosuke Tsuchiya | Key Animation |
| Akitsugu Hisagi | Key Animation |
| Akemi Kobayashi | Key Animation |
| Hiroyuki Horiuchi | Key Animation |
| Yumi Ikeda | Key Animation |
| Izumi Seguchi | Key Animation |
| Asako Matsumura | Key Animation |
| Hidenori Matsubara | Key Animation |
| Nana Miura | Key Animation |
| Mino Matsumoto | Key Animation |
| Hisashi Eguchi | Key Animation |
| Yuuga Tokuno | Key Animation |
| Mami Takino | Key Animation |
| Kazuko Amano | Key Animation |
| Yurie Oohigashi | Key Animation |
| Asuka Kojima | Key Animation |
| Haruka Yamagata | Key Animation |
| Yuki Akiyama | Key Animation |
| Asami Hayakawa | Key Animation |
| Tsukasa Miyazaki | Key Animation |
| Yusuke Inoue | Key Animation |
| Yuka Miyoshi | Key Animation |
| Sayo Mizuno | Key Animation |
| Shihoki Watanabe | Key Animation |
| Aiko Kasumi | Key Animation |
| Yosuke Fukumoto | Key Animation |
| Hanaho Murakami | Key Animation |
| Kohei Yano | Key Animation |
| Mari Tomita | Key Animation |
| Kanako Awada | Key Animation |
| Masayuki Yoshihara | Key Animation |
| Miki Nishikawa | Key Animation |
| Shigeru Takase | Key Animation |
| Toshiya Shinohara | Storyboard Artist |
| Tadashi Hiramatsu | Storyboard Artist |
| Masahiro Ando | Storyboard Artist |
| Hiroshi Kobayashi | Storyboard Artist |
| Naoyoshi Shiotani | Storyboard Artist |
| Masaki Tachibana | Storyboard Artist |
| Mari Okada | Storyboard Artist |
| Akihiko Yoshida | Character Designer |
| Mayumi Komori | Assistant Editor |
| Sachiko Nishi | Sound Effects |
| Hirotsugu Ogisu | Executive Producer |
| Shigeru Saito | Executive Producer |
| Jun Yukawa | Executive Producer |
| Do Hien | Background Designer |
| Dang Phi | Background Designer |
| Cao Hoang | Background Designer |
| Ken Arai | Background Designer |
| Natsumi Niima | Background Designer |
| Kiyoshi Sameshima | Background Designer |
| Yurina Nakamura | Background Designer |
| Zhang Yun | Background Designer |
| Qiu Xiaohong | Background Designer |
| Ma Yunying | Background Designer |
| Wang Jie | Background Designer |
| Tang Zhijun | Background Designer |
| Song Lianjun | Background Designer |
| Aya Sato | Background Designer |
| Harumi Okamoto | Background Designer |
| Takamasa Masuki | Background Designer |
| Takayuki Nagashima | Background Designer |
| Kentaro Ohnuki | Background Designer |
| Kayo Kojio | Background Designer |
| Ryusei Nishino | Background Designer |
| Eri Mizukami | Background Designer |
| Naoko Yamada | Background Designer |
| Tomonori Kato | Background Designer |
| Takumu Sasaki | Background Designer |
| Yumiko Sudo | Background Designer |
| Takeshi Sudo | Background Designer |
| Riko Nakamura | Background Designer |
| Chika Hirabuki | Background Designer |
| Izumi Hirabayashi | Background Designer |
| Saori Sone | Background Designer |
| Tomomi Nakajima | Background Designer |
| Atsuko Sakakura | Background Designer |
| Yoko Kamiyama | Background Designer |
| Junichi Kimura | Publicist |
| Aya Miyamoto | Publicist |
| rionos | Main Title Theme Composer |
| rionos | Theme Song Performance |
| Toshie Honda | Assistant Art Director |
| Yoshimitsu Tomita | Assistant Director of Photography |
| Chie Kato | 2D Artist |
| Masahiro Murakami | Special Effects |
| Sumie Murakami | Special Effects |
| Fumie Ishikura | Sound Mixer |
| Yukiyo Kajiwara | Compositing Artist |
| Tomohiro Takahashi | Compositing Artist |
| Tatsuya Watabe | Compositing Artist |
| Akane Ueda | Compositing Artist |
| Shizuo Kurahashi | Foley Artist |
| Yuya Fukuzawa | Additional Production Assistant |
| Shotaro Ito | Additional Production Assistant |
| Shisei Sugawara | Additional Production Assistant |
| Mina Tajima | Additional Production Assistant |
| Masanori Kamohara | Additional Production Assistant |
| Kentaro Mori | Additional Production Assistant |
| Akira Yamamoto | Additional Production Assistant |
| Jota Nomoto | Production Assistant |
| Masatane Hirosawa | Production Assistant |
| Tsubasa Konishi | Production Assistant |
| Yusuke Tsurumi | Production Assistant |
| Toshiya Shinohara | Director |
