Insomniacs After School

Gen Sato

Ganta Nakami (voice)

Konomi Tamura

Isaki Magari (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)

Konomi Inagaki

Child (voice) / Female Student (voice) / Softball Club Member (voice) / Woman (voice)

Takuya Tsuda

Male Student (voice) / Man (voice)

Haruka Tomatsu

Yui Shiromaru (voice)

Ikuto Kanemasa

Ken Hakui (voice)

Aya Suzaki

Newscaster (voice) / Young Ganta Nakami (voice)

Yuu Kawada

Announcement (voice) / Male Student (voice) / Police Officer (voice)

Haruna Terada

Female Student (voice) / Teacher (voice) / Young Woman (voice)

Yohei Matsuoka

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

Bianca Ogura

Audience Member (voice) / Female Student (voice) / Woman (voice)

Hidenobu Kiuchi

Ganta's Father (voice)

Shou Okumura

Radio Voice (voice) / Teacher (voice)

中田彩理沙

Female Student (voice)

Hana Hishikawa

Female Student (voice) / Rui's Girlfriend (voice)

Yuri Hinami

Female Student (voice) / Woman (voice)

Sora Amamiya

Haya Magari (voice)

Megumi Toyoguchi

Isaki's Mother (voice)

Sayaka Ohara

Ganta's Mother (voice)

Saeko Akiho

Vice Principal (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)

Minami Iinuma

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)

Yoko Soumi

Softball Club Advisor (voice)

Riho Sugiyama

Female Student (voice)

Yuki Ito

Male Student (voice)

Yuki Terui

Male Student (voice)

今給黎剛

Man (voice)

Hayato Kashiwazaki

Man (voice)

Tomoya Ito

Man (voice)

Atsushi Tamaru

Senpai (voice)

Kouichi Souma

Principal (voice)

Chiwa Saito

Motoko's Mother (voice)

Kumiko Nakane

Teacher (voice)

Tomomi Tanaka

Audience Member (voice)

Mitsuki Nakae

Mother (voice)

齊藤未莉依

Child (voice)