Shin Tokyo Suijo Keisatsu (Japanese Television Drama)

Promotional image for the television drama series Tokyo Water Police — Promotional graphic for Tokyo Water Police

Tokyo Water Police, known in Japanese as Shin Tokyo Suijo Keisatsu, is an 11-episode Japanese television drama series broadcast on Fuji TV. The series aired from October 7 to December 16, 2025, taking over the network's Tuesday 21:00 time slot. It was preceded in the time slot by the drama Stingers and followed by Tokyo P.D. in January 2026.

Production and Origins

The television series is based on the novel series titled Shin Tokyo Suijo Keisatsu, authored by Eri Yoshikawa. The source material was published between September 2016 and July 2017 by Kodansha Bunko. The screenplay for the television adaptation was written by Shota Gajin and Keita Tome. Direction for the series was shared among Kazuhiro Nishioka, Ryosuke Yanagisawa, Masato Hijikata, and Yoko Asahina.

Cast and Characters

The series features an ensemble cast portraying various police and supporting personnel:

Actor Ryuta Sato — Ryuta Sato as Takuma Ikari

Actor Shigeaki Kato — Shigeaki Kato as Shun Kusakabe

Actress Mizuki Yamashita — Mizuki Yamashita as Reiko Arima

Actor Akiyoshi Nakao — Akiyoshi Nakao as Mitsuru Fujisawa

Actor Ryu Saito — Ryu Saito as Yasutaka Endo

Actor	Character
Ryuta Sato	Takuma Ikari
Shigeaki Kato	Shun Kusakabe
Mizuki Yamashita	Reiko Arima
Akiyoshi Nakao	Mitsuru Fujisawa
Ryu Saito	Yasutaka Endo
Sayaka Yamaguchi	Yukiko Hosono
Sarutoki Minagawa	Soji Takahashi
Kippei Shiina	Hajime Tamamushi
Jun Hasegawa	Masaru Itoda
Ayumi Tanida	Takeshi Wada
Hayato Kakizawa	Kenichi Kuroki
Leo Matsumoto	Shingo Mikami
Takashi Kobayashi	Toshio Osawa

Actress Sayaka Yamaguchi — Sayaka Yamaguchi

Actor Sarutoki Minagawa — Sarutoki Minagawa

Actor Takashi Kobayashi — Takashi Kobayashi

Additional Cast Members

The supporting cast features numerous actors appearing across various episodes:

Yuta Yamazaki as Hibiki Tabuchi
Hiroyuki Seguchi as Akio Tadokoro
Tomoko Abe as Ryoko Kusakabe
Rie Shibata as Yoko Fukutome (ep. 1)
Umi Yamano as Emiko Yotsukura (ep. 1, 3)
Yoko Imamoto as Yaeko Ube (ep. 1, 3)
Misa Wada as Yuriko Takasaki (ep. 2-3)
Nana Takashima as Tsubaki Aizawa (ep. 2-3)
Yukimi Koyanagi as Sachiko Kitao (ep. 2-3)
Yasuto Kosuda as Shuya Uehara (ep. 4)
Sachiko Nakagome as Kumi Uehara (ep. 4)
Hazuki Shimizu as Asami Fujisawa (ep. 4)
Megumi Ujiie as Tomosaka (ep. 4)
Moemi Katayama as Satomi Makimura (ep. 5)
Hiroki Uchi as Keigo Izumi (ep. 6-7)
Koutaro Tanaka as Makoto Soga (ep. 6-7)
Chihiro Okamoto as Daichi Komiya (ep. 6)
Rina Ogawa as Alisa Mori / Alisa (ep. 5)
Rina Miura as Kyoko Shiromoto / Kyoko (ep. 5)
Itose Nanaha as Yua Sakagami / Yua (ep. 5)
Maho Nonami as Tae Shinomiya (ep. 6-7)
Ryoji Sugimoto as Sadao Shimazaki (ep. 7)
Takeaki Shima as Taichi Sendo (ep. 7)
Kentaro Tamura as Nagare Tsujimura (ep. 8)
Kinuwo Yamada as Yumie Fukumoto (ep. 9)
Nozomi Hanayagi as Kae Minegishi (ep. 10)