Insomniacs After School

Unknown

Ganta Nakami (voice)

Konomi Tamura

Isaki Magari (voice)

Haruka Tomatsu

Yui Shiromaru (voice)

Seiichiro Yamashita

Tao Ukegawa (voice)

Lynn

Motoko Kanikawa (voice)

Natsumi Fujiwara

Kanami Anamizu (voice)

Sumire Morohoshi

Mina Nono (voice)

Mamiko Noto

Usako Kurashiki (voice)

Sho Karino

Rui Haida (voice)

Sora Amamiya

Haya Magari (voice)

Konomi Inagaki

Child (voice) / Female student (voice) / Softball club member (voice) / Woman (voice)

Takuya Tsuda

Male student (voice) / Man (voice)

Ikuto Kanemasa

Ken Hakui (voice)

Aya Suzaki

Broadcaster (voice) / Ganta Nakami (young) (voice)

川田祐

Announcement (voice) / Male student (voice) / Police officer (voice)

Hidenobu Kiuchi

Ganta's father (voice)

Haruna Terada

Female student (voice) / Sister (voice) / Teacher (voice)

Yohei Matsuoka

Male student (voice) / Student Council President (voice)

Bianca Ogura

Audience (voice) / Female student (voice) / Woman (voice)

Shou Okumura

Radio voice (voice) / Teacher (voice)

Saeko Akiho

Vice Principal (voice)

中田彩理沙

Female student (voice)

Hana Hishikawa

Female student (voice) / Rui Haida's girlfriend (voice)

Megumi Toyoguchi

Isaki's mother (voice)

Juri Nagatsuma

Female student (voice)

Takako Tanaka

Female student (voice)

Emiri Suyama

Female student (voice)

Rin Kusumi

Female student (voice)

Tomoyo Takayanagi

Female student (voice)

飯沼南実

Female student (voice)

Nao Ojika

Female student (voice)

Daisuke Nakamura

Radio voice (voice)

Mika Kanda

Home Economics teacher (voice)

Shinya Takahashi

Teacher (voice)

Mayuko Kazama

Female student (voice)

Chiwa Saito

Motoko Kanikawa's mother (voice)

Yoko Soumi

Softball club advisor (voice)

Riho Sugiyama

Female student (voice)

Yuki Ito

Male student (voice)

Yuki Terui

Male student (voice)

Yuri Hinami

Woman (voice)

今給黎剛

Man (voice)

Hayato Kashiwazaki

Man (voice)

Tomoya Ito

Man (voice)

Sayaka Ohara

Ganta's mother (voice)

Atsushi Tamaru

Senpai (voice)

Kouichi Souma

Principal (voice)

Kumiko Nakane

Teacher (voice)

Tomomi Tanaka

Audience (voice)

中恵光城

Mother (voice)

齊藤未莉依

Child (voice)