DCU

Composer

• 
  Kimura Hideakira

Director

• 
  Miyazaki Yohei

Producer

• 
  Iyoda Hidenori
• 
  Sekikawa Yuri
• 
  Sakuma Koji

Screenwriter

• 
  Taniguchi Junichiro

Main Role

• 
  Abe Hiroshi

  Niina Masayoshi

  Main Role
• 
  Yokohama Ryusei

  Seno Haruki

  Main Role

Support Role

• 
  Takahashi Mitsuomi

  Nishino Toma ["DCU" 1st Division Vice-captain]

  Support Role
• 
  Okazaki Taiiku

  Morita Nanao ["DCU" 1st Division diver / Drone pilot]

  Support Role
• 
  Tosa Yuki

  Otomo Yuya ["DCU" 1st Division diver]

  Support Role
• 
  Ichikawa Mikako

  Kuroe Mako ["DCU" Head of forensics department]

  Support Role
• 
  Shuri

  Kanda Ruri ["DCU" Cyber team staff]

  Support Role
• 
  Takahashi Fuu

  Kitagawa Minahira ["DCU" Cyber team staff]

  Support Role
• 
  Shunputei Shota

  Hayakawa Mamoru ["Japan Coast Guard" deputy director]

  Support Role
• 
  Yamazaki Ikusaburo

  Shimizu Kenji [Detective of Metropolitan Police's 1st division]

  Support Role
• 
  Yoshida Ryoya

  Aoyama Kaoru [Detective of Metropolitan Police's 1st division]

  Support Role
• 
  Nakamura Anne

  {Part 1} Nariai Takako ["DCU" 1st Division diver]

  Support Role
• 
  Nakamura Konosuke Support Role

Guest Role

• 
  Kikkawa Koji

  Nariai Atsushi [Masayoshi's deceased partner / Takako's brother] (Ep. 1)

  Guest Role
• 
  Nakamura Shikan

  Koyamauchi Shoichi ["Keikoku Corporation" president] (Ep. 1)

  Guest Role
• 
  Miyano Mamoru

  Noda Hiromasa ["Keikoku Corporation" missing employee] (Ep. 1)

  Guest Role
• 
  Takanashi Rin

  Wakabayashi Akari [Shoichi's secretary] (Ep. 1)

  Guest Role
• 
  Makoto Naoya

  Noda Daigo [Hiromasa's father] (Ep. 1)

  Guest Role
• 
  Tanida Ayumi

  [Chief of Gunma Prefectural Police] (Ep. 1)

  Guest Role
• 
  Kajihara Zen

  Bando Hideki

  Guest Role
• 
  Naoyuki Fernandez

  "Rodrigo Sanchez" [Fisherman / Suspect] (Ep. 2-3)

  Guest Role
• 
  Suda Kunihiro

  Shimada Ryuhei / "Shima" [Fisherman/Leader of Anti-Poachers Group] (Ep. 2-3)

  Guest Role
• 
  Oishi Keita

  (Ep. 3)

  Guest Role
• 
  Nozoe Yoshihiro

  Yanagita [Fisherman] (Ep. 3)

  Guest Role
• 
  Kakuta Akihiro

  Manabe Muneo [Professor of Forensics, Hokiku Medical University] (Ep. 4)

  Guest Role
• 
  Rokkaku Seiji

  Tsukishima Hideki ["Aqua Deep" salesman] (Ep. 4)

  Guest Role
• 
  Fujii Ryusei

  Nakabayashi Mamoru (Ep. 5)

  Guest Role
• 
  Yanagi Shuntaro

  Himura Shohei (Ep. 5)

  Guest Role
• 
  Miura Ryota

  Kinoshita Yuji (Ep. 5)

  Guest Role
• 
  Kato Masaya

  Kimi Ichiro (Ep. 6)

  Guest Role
• 
  Harada Kana

  Takada Kazumi [Aquarium designer] (Ep. 6)

  Guest Role
• 
  Asumi Rio

  Negishi Nayu [Aquarium producer] (Ep. 6-7)

  Guest Role
• 
  Sumi Reina

  Tamai Chihide [Chisato's mother] (Ep. 7)

  Guest Role
• 
  Kobayashi Sachiko

  Negishi Aki [Nayu's mother] (Ep. 7)

  Guest Role
• 
  Mori Yurito

  Tamai Chisato [Chihide's son] (Ep. 7)

  Guest Role
• 
  Okada Koki

  Kasahara Eisuke (Ep. 7-9)

  Guest Role
• 
  Tanabe Seiichi

  Totsuka Akio [Hotel manager / Akemi's father] (Ep. 8)

  Guest Role
• 
  Shimazaki Haruka

  Totsuka Akemi [Akio's daughter] (Ep. 8)

  Guest Role
• 
  Fuwa Mansaku

  Yashima (Ep. 8)

  Guest Role
• 
  Mikata Ryosuke

  Kudo [Coast guard officer] (Ep. 9)

  Guest Role
• 
  Fukuzawa Akira

  Narahara ["Toto Heavy Industries" president] (Ep. 9)

  Guest Role
• 
  Sugawara Daishi Guest Role
• 
  Sunaga Chie

  (Ep.1)

  Guest Role
• 
  Takashima Tsuyoshi

  [Aquarium Staff] (Ep. 7)

  Guest Role
• 
  Ando Hiroro

  [Shinto priest] (Ep. 1)

  Guest Role
• 
  Iwakawa Haru

  Seno Haruki [Childhood] (Ep. 1)

  Guest Role
• 
  Sergey Vlasov

  [Russian language instructor]

  Guest Role
• 
  Seshio

  [Fisherman] (Ep. 4)

  Guest Role
• 
  Numakura Ryo

  (Ep. 8)

  Guest Role