 | Kazato Tomizawa als Makoto Kobayashi (voice) |
 | Akina Minami als Hiroka Kuwabara (voice) |
 | Aoi Miyazaki als Shoko Sano (voice) |
 | Jingi Irie als Saotome (voice) |
 | Akiyoshi Nakao als Mitsuru Kobayashi (voice) |
 | Kumiko Aso als Makoto's Mother (voice) |
 | Katsumi Takahashi als Makoto's Father (voice) |
 | Michael als Purapura (voice) |
 | Manatsu Hayashi als Mao (voice) |
 | Keiji Fujiwara als Mr. Sawada (voice) |
 | Rokuro Naya als Principal (voice) |
 | Akiko Yajima als Child at Candy Store (voice) |
 | Mari Mashiba als Child at Candy Store (voice) |
 | Hideyuki Tanaka als Doctor (voice) |
 | Chieko Atarashi als Nurse (voice) |
 | Shigeru Shibuya als Worker at Gomensoro (voice) |
| Miyu Tsuzurahara als Classmate (voice) |
| Keiichi Hara | Director |
| Eto Mori | Novel |
| Atsushi Yamagata | Character Designer |
| Kow Otani | Original Music Composer |
| Akira Ookuma | Sound Director |
| Hiromune Kurahashi | Sound Effects |
| Toshihiko Kojima | Editor |
| Hiromi Imaizumi | Color Designer |
| Takashi Ishihara | Executive Producer |
| Hideyuki Tomioka | Executive Producer |
| Miho Maruo | Screenplay |
| Yoshishige Shimatani | Executive Producer |
| Takaaki Uchiyama | Sound Mixer |
| Hideo Harigaya | Key Animation |
| Tetsuya Hasegawa | Key Animation |
| Tetsuo Hirakawa | Key Animation |
| Tetsuya Ishikawa | Key Animation |
| Nobutake Ito | Key Animation |
| Daizo Iwanaga | Key Animation |
| Kinuko Izumi | Key Animation |
| Kazuyuki Maeda | Key Animation |
| Norio Matsumoto | Key Animation |
| Hiroyuki Nishimura | Key Animation |
| Takuya Saito | Key Animation |
| Hiroshi Shimizu | Key Animation |
| Tomohisa Shimoyama | Key Animation |
| Yuichiro Sueyoshi | Key Animation |
| Mitsuaki Tobisawa | Key Animation |
| Shigeto Tsuji | Key Animation |
| Kouichirou Ueda | Key Animation |
| Atsushi Uemura | Key Animation |
| Takayuki Uragami | Key Animation |
| Atsushi Yamagata | Key Animation |
| Akiko Yamaguchi | Key Animation |
| Hiroyuki Yamashita | Key Animation |
| Kohei Yanagida | Key Animation |
| Yuko Yasaki | Key Animation |
| Masayuki Yoshida | Key Animation |
| Minoru Yamaoka | Assistant Director |
| miwa | Theme Song Performance |
| Yuko Yazaki | Key Animation |
| Keiichi Hara | Storyboard |
| Kouichi Yanai | Compositing Supervisor |
| Takashi Nakamura | Background Designer |
| Hiroyuki Nemoto | Background Designer |
| Agung Oka | Background Designer |
| Ryotaro Makihara | Key Animation |
| Masahiro Sato | Animation Director |
| Masahiro Sato | Key Animation |
| Kimiko Kubo | Background Designer |
