Water Boys

Composer

• 
  Sato Naoki

Director

• 
  Takahashi Nobuyuki
• 
  Sato Yuichi

Producer

• 
  Funatsu Koichi

Screenwriter

• 
  Nakatani Mayumi
• 
  Hashimoto Hiroshi

Main Role

• 
  Yamada Takayuki

  Shindo Kankuro

  Main Role
• 
  Moriyama Mirai

  Tatematsu Norio

  Main Role
• 
  Nagayama Eita

  Tanaka Masatoshi

  Main Role
• 
  Ishigaki Yuma

  Takahara Go

  Main Role
• 
  Ishii Tomoya

  Ishizuka Futoshi

  Main Role

Support Role

• 
  Miyaji Mao

  Onishi Asako

  Support Role
• 
  Kashii Yu

  Hanamura Kyoko

  Support Role
• 
  Asano Kazuyuki

  Shindo Kanichi [Kankuro's father]

  Support Role
• 
  Takahashi Hitomi

  Shindo Miwako [Kankuro's mother]

  Support Role
• 
  Ikari Yukiko

  Shindo Hitomi [Kankuro's sister]

  Support Role
• 
  Tanaka Kei

  Takashi Yasuda

  Support Role
• 
  Katayama Reo

  Kitajima Daichi

  Support Role
• 
  Arakawa Yu

  Yuta [The second son of "Flying Fish Brothers"]

  Support Role
• 
  Kato Koki

  Kota [The third son of "Flying Fish Brothers"]

  Support Role
• 
  Hojo Takahiro

  Chiba

  Support Role
• 
  Shiozawa Hidemasa

  Iwasaki

  Support Role
• 
  Isaka Tatsuya

  Nagasaki

  Support Role
• 
  Ebata Hiroki

  Emori

  Support Role
• 
  Hoshino Gen

  Hoshiyama

  Support Role
• 
  Tsujimoto Yuki

  Tsuji

  Support Role
• 
  Tomohito Wakizaki

  Wakida

  Support Role
• 
  Hiraizumi Yota

  Izumi

  Support Role
• 
  Yamazaki Ichitarou

  Ichijo

  Support Role
• 
  Kawamoto Takanori

  Kawashima

  Support Role
• 
  Hyuuga Takashi

  Hino

  Support Role
• 
  Watanabe Dai

  Shinmura

  Support Role
• 
  Kanehara Ryotaro

  Kanemitsu

  Support Role
• 
  Fuse Akira

  Yamaoka [Vice-principal]

  Support Role
• 
  Tani Kei

  Ozaki [Principal]

  Support Role
• 
  Sugimoto Tetta

  Sugita [PE teacher]

  Support Role
• 
  Kikuchi Maiko

  Onogawa Shizuka [Math teacher]

  Support Role
• 
  Manabe Kaori

  Sakuma Megumi [Japanese language teacher]

  Support Role
• 
  Yashima Norito

  Isomura Kiyomasa

  Support Role
• 
  Emoto Akira

  Mama

  Support Role
• 
  Tokui Yu

  Chimama [Chimama of bar "Tomoshibi"]

  Support Role
• 
  Tamaki Hiroshi

  Sato Katsumasa

  Support Role

Guest Role

• 
  Nishida Naomi

  [Female newscaster] (Ep. 1)

  Guest Role
• 
  Takenaka Naoto

  Isomura [Kiyomasa's brother] (Ep. 1, 5, 11)

  Guest Role
• 
  Kishi Hiroyuki

  Ito [Owner of the milk shop "Ito Shoten"] (Ep. 1, 4-5)

  Guest Role
• 
  Fujimura Chika

  [a synchro swimmer] (Ep. 2)

  Guest Role
• 
  Hiraizumi Sei

  Tatematsu Kensuke [Norio's father] (Ep. 5, 9, 11)

  Guest Role
• 
  Yamamoto Michiko

  Tatematsu Naoko [Norio's mother] (Ep. 5, 9, 11)

  Guest Role
• 
  Aibu Saki

  Hayakawa Atsumi [Female synchro player] (Ep. 7, 11)

  Guest Role
• 
  Eguchi Noriko

  [Jewelry store clerk] (Ep. 7)

  Guest Role
• 
  Kubozono Junichi

  [Chairman of the Board of Education] (Ep. 7-8, 10)

  Guest Role
• 
  Numazaki Yu

  [Council member] (Ep. 7-8, 10)

  Guest Role
• 
  Takao Sakiko

  (Ep. 7)

  Guest Role
• 
  Yamada Meikyo

  [Mayor] (Ep. 8, 10)

  Guest Role
• 
  Iida Kisuke

  [Summer class instructor] (Ep. 8)

  Guest Role
• 
  Kitamura Eiki

  LifeguardMinamimura [Life Saver] (Ep. 8)(Ep. 8)

  Guest Role
• 
  Takei Akashi

  [Toddlers passing by] (Ep. 9)

  Guest Role
• 
  Kuranuki Masahiro

  Nitta [Atsumi's boyfriend] (Ep. 11)

  Guest Role