"Moshimo, Japan. The annual fireworks festival is about to take place and a group of schoolboys, arguing over whether they are round or flat when viewed from different angles, set out to find it out."
Suzu Hirose
as Nazuna Oikawa (voice)
Masaki Suda
as Norimichi Shimada (voice)
Mamoru Miyano
as Yūsuke Azumi (voice)
Shintaro Asanuma
as Jun'ichi (voice)
Toshiyuki Toyonaga
as Kazuhiro (voice)
Yuki Kaji
as Minoru (voice)
Shin-ichiro Miki
as Nazuna's Mother's Fiancé (voice)
Kana Hanazawa
as Teacher Miura (voice)
Takahiro Sakurai
as Teacher Mitsuishi (voice)
Michiko Neya
as Norimichi's Mother (voice)
Nobuo Tobita
as Norimichi's Father (voice)
Mitsuru Miyamoto
as Yūsuke's Father (voice)
Fumihiko Tachiki
as Pyrotechnician (voice)
Takako Matsu
as Nazuna's Mother (voice)
Jun Inoue
as Announcer (voice)
Tarusuke Shingaki
as Food Stall Owner (voice)
Chiwa Saito
as Nurse (voice)
Yu Shimamura
Atsumi Tanezaki
as Reporter (voice)
Yuumi Hirota
as Student (voice)
Konomi Kohara
Shuichi Uchida
Hiroki Yamamura
Supervising Animation Director
Mai Otsuka
Animation Director
Akio Watanabe
Tarō Ikegami
Keiichi Tsuboyama
Masaru Yoshioka
Wang Guonian
Nobuhiro Muto
Aiko Wakatsuki
Erkin Kawabata
Kosuke Murayama
Hitoshi One
Screenplay
Seimei Kidokoro
Assistant Director
Yuki Funagakure
Art Direction
Naoya Tanaka
Art Designer
Nobuyuki Takeuchi
Production Design
Hisaharu Iijima
Ayumi Miyakoshi
Rei Egami
Director of Photography
Tasuku Ozu
Hidemi Tanaka
Sound Effects
Riki Matsuura
Keiji Kondo
Sound Recordist
Tadao Iwaki
Production Manager
Takayuki Aizu
Junnosuke Ito
Producer
Shunji Iwai
Original Film Writer
Akiko Yodo
Character Designer
Key Animation
Izumi Takizawa
Color Designer
Taisuke Iwasaki
Nobuhiro Arai
Misae Kawakubo
Background Designer
Shigeru Chiba
Yoshihiro Maeda
Naoto Abe
Etsuhito Mori
Toshiyuki Anzai
Aiko Funamichi
Mayu Fujimoto
Takashi Hashimoto
Erika Iizuka
Ai Yamamoto
Keiji Ota
Executive Producer
Kazuya Shiotsuki
Satoshi Harayama
Takashi Kojima
Kayo Nomichi
Yuka Hirama
Yuka Yamauchi
Hiroyuki Okaji
Naoaki Shibuta
Naoto Nakamura
Ryoko Amisaki
Yuuya Kumagai
Susumu Mitsunaka
Gen'ichirou Abe
Kenta Ohshima
Genki Matsumoto
Taiki Konno
Tomomi Noda
Hirotoshi Arai
Yuutarou Maruyama
Kazutoshi Inoue
Yuuya Geshi
Keiko Nakayama
Shigeki Sunada
Shohei Nishijima
Souichirou Sako
Hiromi Niwa
Kazuhiro Oki
Tatsuya Oka
Takehiro Hamatsu
Kumiko Kawashima
Kazuaki Ito
Akira Sato
Koichi Usami
Yoko Fukushima
Michiko Asada
Tsutomu Shibutani
Keita Nagasaka
Yoichi Ueda
Naoyuki Asano
Tatsuya Tomaru
Minami Ichikawa
Risa Wakabayashi
Mitsutoshi Kubota
Atsuhiro Iwakami
Yoshiaki Ito
Shosuke Shimizu
Miyuki Katayama
Akiko Kikuchi
Kaori Fujii
Tetsuro Moronuki
Akane Imada
Hiroshi Kawashima
Kiichi Takaoka
Yasuhiro Nakura
Manabu Nii
Kensuke Ishikawa
Yurie Hama
Tomoko Zama
Masaaki Takiyama
Yasuomi Umetsu
Yoshiharu Sato
Yoshiharu Ashino
Kouichi Arai
Atsushi Itou
Tatsuyuki Maeda
Kayoko Tokou
Kouji Okamoto
Takahiro Saito
Wang Jie
Yuko Inoue
Yugo Ohashi
Kyo Inoue
Tang Zhijun
Shinya Nishizawa
Hiroyuki Saita
Rie Oda
Katsumi Yoshio
Ryou Komori
Hisaki Furukawa
Kazuhiro Obata
Takashi Aoi
Ma Yunying
Zhang Yun
Masao Kawase
Yuko Yano
Wakako Shimizu
Qiu Xiaohong
Song Lianjun
Takuya Ebisawa
Mayuko Rokuro
Takumi Honma
Osamu Tayama
Yoshiharu Yamashita
Yuji Kaneko
Osamu Nakajima
Zheng Lu
Natsuyo Kato
Kentaro Akiyama
Yoshie Eguchi
Takayuki Suzuki
Takashi Nakamura
Yasuomi Kishi
Naoko Momomi
Ken Nakamura
Yuki Sugihara
Naoko Akuzawa
Kazuto Shimoyama
Fu Siyu
Miku Nagaike
Kunihiko Inaba
Goichi Katanosaka
Tomoko Shimomoto
Takeshi Sato
Kaori Takao
Tsutomu Fujita
Storyboard Artist
Kosuke Matsunaga
Production Assistant
Kenshi Yonezu
Theme Song Performance
Yasushi Nagura
Akane Shiraishi
Assistant Editor
Moe Suzuki
Online Editor
Masataka Mikami
Music Producer
Jin Hon'ami
Wakana Murata
Hiromi Sasaki
Yoshiki Kobayashi
Yuki Nakano
Animation
Hideo Hirata
Associate Producer
Genki Kawamura
Akiyuki Shinbo
Co-Director
Director
Rie Matsubara
Editor
Satoru Kosaki
Original Music Composer
Tatsuya Nomura
Compositing Artist
Yoshihiro Furusawa
Yota Tsuruoka
Sound Director
Hitoshi Hibino
DAOKO