Cast and Crew of Insomniacs After School

Insomniacs After School

君は放課後インソムニア

Ganta Nakami is a high school student who suffers from insomnia. He meets Isaki Magari, a girl with the same condition. A relationship forms as they share a secret and catch up on their sleep in their school’s abandoned observatory.

Main Cast of Insomniacs After School

Gen Sato as Ganta Nakami (voice)

Gen Sato

as Ganta Nakami (voice) (13 episodes)
Konomi Tamura as Isaki Magari (voice)

Konomi Tamura

as Isaki Magari (voice) (13 episodes)
Haruka Tomatsu as Yui Shiromaru (voice)

Haruka Tomatsu

as Yui Shiromaru (voice) (13 episodes)

Haruka Tomatsu (戸松 遥, Tomatsu Haruka, February 4, 1990) is a Japanese actress, voice actress and singer, affiliated w...

Seiichiro Yamashita as Tao Ukegawa (voice)

Seiichiro Yamashita

as Tao Ukegawa (voice) (13 episodes)

Seiichiro Yamashita was born on May 21, 1992 and is currently 32 years old.

Lynn as Motoko Kanikawa (voice)

Lynn

as Motoko Kanikawa (voice) (13 episodes)

Lynn is a Japanese voice actress from Niigata Prefecture affiliated with the agency Arts Vision. She was born to a Ja...

Natsumi Fujiwara as Kanami Anamizu (voice)

Natsumi Fujiwara

as Kanami Anamizu (voice) (13 episodes)

Natsumi Fujiwara was born on June 2, 1994 and is currently 30 years old.

Sumire Morohoshi as Mina Nono (voice)

Sumire Morohoshi

as Mina Nono (voice) (13 episodes)

Sumire Morohoshi is a Japanese voice actress affiliated with Himawari Theatre Group.

Mamiko Noto as Usako Kurashiki (voice)

Mamiko Noto

as Usako Kurashiki (voice) (13 episodes)

Mamiko Noto is a Japanese voice actress and singer working under Office Osawa. Noto was born in Ishikawa Prefecture....

Sho Karino as Rui Haida (voice)

Sho Karino

as Rui Haida (voice) (13 episodes)

Secondary Cast of Insomniacs After School

Juri Nagatsuma as Female student (voice)

Juri Nagatsuma

as Female student (voice) (1 episode)
Takako Tanaka as Female student (voice)

Takako Tanaka

as Female student (voice) (1 episode)

Takako Tanaka (田中 貴子, Tanaka Takako, born October 5) is a Japanese voice actress from Fukui Prefecture. She is affili...

Emiri Suyama as Female student (voice)

Emiri Suyama

as Female student (voice) (1 episode)

Emiri Suyama (陶山 恵実里, Suyama Emiri, May 26, 1999) is a Japanese voice actress and idol from Tokyo and former member o...

Rin Kusumi as Female student (voice)

Rin Kusumi

as Female student (voice) (1 episode)
Tomoyo Takayanagi as Female student (voice)

Tomoyo Takayanagi

as Female student (voice) (1 episode)
Minami Iinuma as Female student (voice)

Minami Iinuma

as Female student (voice) (1 episode)
Nao Ojika as Female student (voice)

Nao Ojika

as Female student (voice) (1 episode)
Daisuke Nakamura as Radio voice (voice)

Daisuke Nakamura

as Radio voice (voice) (1 episode)

Daisuke Nakamura was born on September 21, 1985 and is currently 39 years old.

Ikuto Kanemasa as Ken Hakui (voice)

Ikuto Kanemasa

as Ken Hakui (voice) (5 episodes)

Ikuto Kanemasa (兼政 郁人, Kanemasa Ikuto , February 19) is a Japanese voice actor and narrator born in Tokyo. He is affi...

Hidenobu Kiuchi as Ganta's father (voice)

Hidenobu Kiuchi

as Ganta's father (voice) (3 episodes)

Hidenobu Kiuchi was born on February 5, 1969 and is currently 56 years old.

Saeko Akiho as Vice Principal (voice)

Saeko Akiho

as Vice Principal (voice) (2 episodes)
Yuu Kawada as Announcement (voice)

Yuu Kawada

as Announcement (voice) (1 episode) , Male student (voice) (1 episode) , Police officer (voice) (1 episode)

Yū Kawada (川田 祐, Kawada Yū, born March 9, 1983) is a Japanese actor and voice actor from Handa City, Aichi Prefecture...

Takuya Tsuda as Man (voice)

Takuya Tsuda

as Man (voice) (1 episode) , Male student (voice) (6 episodes)
Arisa Nakada as Female student (voice)

Arisa Nakada

as Female student (voice) (2 episodes)
Mika Kanda as Home Economics teacher (voice)

Mika Kanda

as Home Economics teacher (voice) (1 episode)
Shinya Takahashi as Teacher (voice)

Shinya Takahashi

as Teacher (voice) (1 episode)

Shinya Takahashi (高橋 伸也, Takahashi Shinya, born December 5, 2015) is a Japanese voice actor, narrator and moderator b...

Mayuko Kazama as Female student (voice)

Mayuko Kazama

as Female student (voice) (1 episode)

Mayuko Kazama (風間 万裕子, Kazama Mayuko , born October 2) is a Japanese voice actress from Tokyo, Japan. She is affiliat...

Chiwa Saito as Motoko Kanikawa's mother (voice)

Chiwa Saito

as Motoko Kanikawa's mother (voice) (1 episode)

Chiwa Saito (斎藤 千和, Saitō Chiwa) is a Japanese voice actress employed by I'm Enterprise. Saitō is one half of the voi...

Yoko Soumi as Softball club advisor (voice)

Yoko Soumi

as Softball club advisor (voice) (1 episode)

Yoko Soumi (沢海 陽子, Sōmi Yōko, May 31, 1962) is a Japanese actress and voice actress born in Niigata Prefecture. She i...

Haruna Terada as Sister (voice)

Haruna Terada

as Sister (voice) (1 episode) , Teacher (voice) (1 episode) , Female student (voice) (1 episode)
Riho Sugiyama as Female student (voice)

Riho Sugiyama

as Female student (voice) (1 episode)
Hana Hishikawa as Rui Haida's girlfriend (voice)

Hana Hishikawa

as Rui Haida's girlfriend (voice) (1 episode) , Female student (voice) (1 episode)
Yuki Ito as Male student (voice)

Yuki Ito

as Male student (voice) (1 episode)
Shou Okumura as Radio voice (voice)

Shou Okumura

as Radio voice (voice) (1 episode) , Teacher (voice) (1 episode)
Yuki Terui as Male student (voice)

Yuki Terui

as Male student (voice) (1 episode)
Konomi Inagaki as Child (voice)

Konomi Inagaki

as Child (voice) (1 episode) , Woman (voice) (1 episode) , Softball club member (voice) (1 episode) , Female student (voice) (5 episodes)
Yohei Matsuoka as Student Council President (voice)

Yohei Matsuoka

as Student Council President (voice) (1 episode) , Male student (voice) (2 episodes)

Yohei Matsuoka (松岡 洋平, Matsuoka Yōhei, born May 16, 1995) is a Japanese voice actor (seiyuu) from Tokyo. He is affili...

Go Imakiire as Man (voice)

Go Imakiire

as Man (voice) (1 episode)

Bianca Ogura

as Woman (voice) (1 episode) , Female student (voice) (1 episode) , Audience (voice) (1 episode)
Hayato Kashiwazaki as Man (voice)

Hayato Kashiwazaki

as Man (voice) (1 episode)
Tomoya Ito as Man (voice)

Tomoya Ito

as Man (voice) (1 episode)
Sayaka Ohara as Ganta's mother (voice)

Sayaka Ohara

as Ganta's mother (voice) (2 episodes)

Sayaka Ohara (大原 さやか, Ōhara Sayaka) is a Japanese voice actress, affiliated with Haikyō. Her major roles include Layl...

Atsushi Tamaru as Senpai (voice)

Atsushi Tamaru

as Senpai (voice) (1 episode)

Atsushi Tamaru (田丸篤志, Tamaru Atsushi) is a Japanese voice actor from Saitama Prefecture. He is affiliated with Mausu ...

Kouichi Souma as Principal (voice)

Kouichi Souma

as Principal (voice) (1 episode)

Kouichi Souma (相馬 康一, Sōma Kōichi, February 5, 1982) is a Japanese voice actor born in Saga Prefecture. He is 170 cm ...

Aya Suzaki as Broadcaster (voice)

Aya Suzaki

as Broadcaster (voice) (1 episode) , Ganta Nakami (young) (voice) (3 episodes)
Yuri Hinami as Female student (voice)

Yuri Hinami

as Female student (voice) (1 episode) , Woman (voice) (1 episode)
Megumi Toyoguchi as Isaki's mother (voice)

Megumi Toyoguchi

as Isaki's mother (voice) (2 episodes)

Megumi Toyoguchi was born on January 2, 1978 and is currently 47 years old.

Kumiko Nakane as Teacher (voice)

Kumiko Nakane

as Teacher (voice) (1 episode)

Kumiko Nakane (中根 久美子, Nakane Kumiko, August 18) is a Japanese voice actress (seiyū) from Fukushima Prefecture. She i...

Tomomi Tanaka as Audience (voice)

Tomomi Tanaka

as Audience (voice) (1 episode)

Tomomi Tanaka (田中 那実, Tanaka Tomomi, December 7) is a Japanese voice actress from Fukushima Prefecture. She is affili...

Mitsuki Nakae as Mother (voice)

Mitsuki Nakae

as Mother (voice) (1 episode)

Mitsuki Nakae is a Japanese singer, voice actress who is affiliated with Mausu promotion.

Miri Saito

as Child (voice) (1 episode)
Sora Amamiya as Haya Magari (voice)

Sora Amamiya

as Haya Magari (voice) (2 episodes)

Sora Amamiya is a Japanese voice actress and singer from Toyko, affiliated with Music Ray'n. After passing an auditi...

Crew of Insomniacs After School

Discover the backstage crew of Insomniacs After School →