Abe Hiroshi
Sakuragi Kenji
Papel Principal
Hasegawa Kyoko
Ino Mamako
Papel Principal
Yamashita Tomohisa
Yajima Yusuke
Papel Principal
Nagasawa Masami
Mizuno Naomi
Papel Principal
Nakao Akiyoshi
Okuno Ichiro
Papel Principal
Koike Teppei
Ogata Hideki
Papel Principal
Aragaki Yui
Kosaka Yoshino
Papel Principal
Saeko
Kobayashi Maki
Papel Principal

Shinagawa Toru
Yanagi Tetsunosuke [Mathematics teacher]
Papel Secundário
Kobayashi Susumu
Ain Shutaro [Physics teacher]
Papel Secundário
Terada Minori
Akutayama Ryuzaburo [Literature teacher]
Papel Secundário
Kaneda Akio
Kawaguchi Hiroshi [English teacher]
Papel Secundário
Nogiwa Yoko
Tatsuno Yuriko [School director]
Papel Secundário
Saito Yosuke
Kondo Tokihisa [School vice-principal]
Papel Secundário
David Ito
Ochai Masnao [Teacher]
Papel Secundário
Aoyama Masaru
Inaba Tsutomu [Teacher]
Papel Secundário
Ishino Mako
Yajima Setsuko [Yusuke's mother]
Papel Secundário
Miho Jun
Mizuno Yuko [Naomi's mother]
Papel Secundário
Mizutani Momosuke
Okuno Jiro [Ichiro's twin brother]
Papel Secundário
Yazawa Shin
Nozomi Yamamoto [Mamako's friend / teacher]
Papel Secundário
Murakami Hiroki
Tanaka Yoshio [Nozomi's boyfriend candidate]
Papel Secundário
Karahashi Mitsuru
Sawamatsu Yasushi [Nozomi's boyfriend candidate]
Papel Secundário
Hori Akari
Toda Asumi [Maki's friend]
Papel Secundário

Yabe Kyosuke
[Bad guy] (Ep. 1-2)
Convidado
Yoshimoto Shuya
[Bad guy] (Ep. 1-2)
Convidado
Hirota Masahiro
[Shumekan High School student] (Ep. 1)
Convidado
Onodera Akira
Okabe [Kenji's friend / Lawyer] (Ep. 1, 7)
Convidado
Mizumori Kota
[Customer of Naomi's mother's restaurant] (Ep. 1)
Convidado
Aihara Tomoko
Ogata Mariko [Hideki's mother] (Ep. 1, 7, 9)
Convidado
Katsura Asami
Sakuma Miyu [Jiro's girlfriend] (Ep. 1 & 5)
Convidado
Ojima Naoya
[Bass player of Ogata's band] (Ep. 1-22)
Convidado
Kodama Raishin
(Ep. 1)
Convidado
Tengenji Ryu
(Ep. 1)
Convidado
Hamada Michihiko
(Ep. 1)
Convidado
Ishii Kenichi
Saito [Regular customer of Naomi's mother's restaurant] (Ep. 1, 3, 8)
Convidado
Asakura Shinji
[Thrift store owner] (Ep. 2)
Convidado
Shibasaki Noboru
[Factory worker] (Ep. 2)
Convidado
Watanabe Hiroyuki
(Ep. 3)
Convidado
Eguchi Noriko
[Gang member] (Ep. 4)
Convidado
Ota Sayaka
(Ep. 4)
Convidado
Kato Kazuko
Okuno Miyako [Ichiro and Jiro's mother] (Ep. 5 & 9)
Convidado
Nozoe Yoshihiro
Okuno Kazuhiko [Ichiro and Jiro's father] (Ep. 5)
Convidado
Shinsui Sanshou
[Detective] (Ep. 5)
Convidado
Kobayashi Chie
(Ep. 5)
Convidado
Arai Kenta
(Ep. 5)
Convidado
Hashizume Ryo
Kuriyama Shota [Ryuzan High School student] (Ep. 6)
Convidado
Sunaga Kei
Ogata Atsuo [Hideki's father] (Ep. 7-9, 11)
Convidado
Okuda Tatsuhito
[TV show director] (Ep. 7-8)
Convidado
Itou Koujun
[Exam superintendent of Tokyo University] (Ep. 8)
Convidado
Kitamura Eiki
[Student at Todai University] (Ep. 8)
Convidado
Hayashi Hiroko
(Ep. 8)
Convidado
Kurita Yoko
Kosaka Megumi [Yoshino's mother] (Ep. 9)
Convidado
Iketani Nobue
Kobayashi Mitsue [Maki's mother] (Ep. 9)
Convidado
Urasaki Hiroshi
[Doctor] (Ep. 9-10)
Convidado
Sugata Shun
[Parent of junior high school student] (Ep. 9)
Convidado
Saito Yoshiki
[Junior high school student] (Ep. 9)
Convidado
Nakamura Atsuko
[Parent of junior high school student] (Ep. 9)
Convidado
Shimazu Kentaro
[Teacher] (Ep. 9)
Convidado
Hashimoto Hiroki
[Customer of Naomi's mother's restaurant] (Ep. 10)
Convidado
Taki Kahoko
(Ep. 10)
Convidado
Mino Monta
[Hanaoka High School president] (Ep. 11)
Convidado
Teraoka Katsunori
[Examiner]
Convidado
Sakamoto Fumiko
(Ep. 10)
Convidado