Casting (30)
Yusuke Kobayashi
Senku Ishigami (voice)
Makoto Furukawa
Taiju Oki (voice)
Kana Ichinose
Yuzuriha Ogawa (voice)
Manami Numakura
Kohaku (voice)
Gen Sato
Chrome (voice)
Kengo Kawanishi
Asagiri Gen (voice)
Ryota Suzuki
Nanami Ryuusui (voice)
Yuichi Nakamura
Tsukasa (voice)
Ayumu Murase
Ginro (voice)
Keiji Fujiwara
Narrator (voice)
Yuya Hirose
Science Club Member (voice)
Aoi Ichikawa
Science Club Member (voice)
Haruki Ishiya
Science Club Member (voice)
Kouichi Souma
Teacher (voice)
Yu Sasahara
Student (voice)
Jun Inoue
Student (voice)
Anzu Haruno
Student (voice)
Yuka Nukui
Student (voice)
Marika Kouno
Student (voice)
Nozomi Nakazato
People of the World (voice)
Volcano Ota
People of the World (voice)
Gakuto Kajiwara
People of the World (voice)
Momoe Matsumura
People of the World (voice)
Tetsuei Sumiya
People of the World (voice)
Kōichi Hasebe
People of the World (voice)
Fairouz Ai
People of the World (voice)
Mikako Komatsu
Senkuu Ishigami (childhood) (voice)
Mutsumi Tamura
Taiju Ooki (childhood) (voice)
Genki Muro
Bad High School Student A (voice)
Yuya Murakami
Bad High School Student B (voice)