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

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