Himitsu: The Top Secret

Director

• 
  Matsumoto Kana
• 
  Horai Tadaaki
• 
  Nemoto Kazumasa

Producer

• 
  Toyofuku Yoko
• 
  Kondo Tamon

Screenwriter

• 
  Sato Shimako

Main Role

• 
  Itagaki Rihito

  Maki Tsuyoshi

  Main Role
• 
  Nakajima Yuto

  Suzuki Katsuhiro | Aoki Ikko

  Main Role

Support Role

• 
  Kadowaki Mugi

  Miyoshi Yukiko

  Support Role
• 
  Kunimura Jun

  Kainuma Kiyotaka

  Support Role
• 
  Takahashi Tsutomu

  Okabe Yasufumi

  Support Role
• 
  Mashima Hidekazu

  Takimoto Mikio

  Support Role
• 
  Narumi Yui

  Sugai Ritsuko / "Suga-chan"

  Support Role
• 
  Ikeda Tetsuhiro

  Tashiro

  Support Role
• 
  Hamatsu Takayuki

  Soga Ikuhide

  Support Role
• 
  Asa Tatsumi

  Koike Hotaka

  Support Role
• 
  Morita Kokoro

  Uno Honoka

  Support Role
• 
  Umefune Ariei

  Imai Rio

  Support Role
• 
  Kondo Shori

  Ueno Yoshiomi

  Support Role
• 
  Fuchino Yuto

  Toyomura Masanori

  Support Role
• 
  Riju Go

  Honjo Atsuhisa [Commissioner General of the National Police Agency]

  Support Role
• 
  Okochi Hiroshi

  [Superintendent General of Police]

  Support Role

Guest Role

• 
  Natsuko

  Tsuyuguchi Kinuko (Ep. 1)

  Guest Role
• 
  Mitsuishi Ken

  Tsuyuguchi Koichi (Ep. 1)

  Guest Role
• 
  Kurokawa Soya

  Hirai Manabu (Ep. 1)

  Guest Role
• 
  Aijima Kazuyuki

  Ishimaru (Ep. 1)

  Guest Role
• 
  Kin Hanna

  Tsuyuguchi Asako (Ep. 1)

  Guest Role
• 
  Shimohigashi Kumiko

  Tsuyuguchi Sakura (Ep. 1)

  Guest Role
• 
  Okamura Makisuke

  Hashiguchi [Detective] (Ep. 1-2)

  Guest Role
• 
  Matsuoka Izumi

  [Manabu's mother] (Ep. 1)

  Guest Role
• 
  Murai Takanori

  [Police officer] (Ep. 1)

  Guest Role
• 
  Hyuga Jyo

  [Detective] (Ep. 1)

  Guest Role
• 
  Ikewaki Chizuru

  Kojima Ikuko (Ep. 2)

  Guest Role
• 
  Mashiko Atsuki

  Yamazaki Ren (Ep. 2)

  Guest Role
• 
  Shimoda Ayaka

  Sato Kayoko (Ep. 2)

  Guest Role
• 
  Audrey Ayaka

  Ikuko [Fantasy] (Ep. 2)

  Guest Role
• 
  Takagi Keiichi

  [Investigator] (Ep. 2)

  Guest Role
• 
  Setoguchi Yoshiyuki

  [Paramedic] (Ep. 2)

  Guest Role
• 
  Ishioka Asuka

  Asano Koichi (Ep. 3)

  Guest Role
• 
  Okada Ken

  Aoki Yoshikazu [Ikko's father] (Ep. 3)

  Guest Role
• 
  Kanno Misuzu

  Aoki Chie [Ikko's mother] (Ep. 3-4)

  Guest Role
• 
  Satsukawa Aimi

  Kuratsuji Wakako [Ikko's sister] (Ep. 3-4, 9)

  Guest Role
• 
  Serizawa Tateto

  Kuratsuji Masanobu [Wakako's husband] (Ep. 3-4, 9)

  Guest Role
• 
  Kamijo Seiya

  Sakai Asahi [Teen who committed suicide] (Ep. 3)

  Guest Role
• 
  Oohara Yuuki

  Yamashita Hisayoshi [Teen who committed suicide] (Ep. 3)

  Guest Role
• 
  Kurahashi Hidemi

  [Woman in Kazuhide's recording] (Ep. 3)

  Guest Role
• 
  Fujimoto Yusuke

  (Ep. 3)

  Guest Role
• 
  Gomi Ryoko

  (Ep. 3)

  Guest Role
• 
  Nakamura Yurika

  Satonaka Kyoko (Ep. 4-5)

  Guest Role
• 
  Yoshioka Mutsuo

  Tajima Akihiko (Ep. 4-5)

  Guest Role
• 
  Taki Nanami

  Kishitani Rikako (Ep. 4-5)

  Guest Role
• 
  Yoshida Rio

  Moriyama Nagisa (Ep. 4-5)

  Guest Role
• 
  Goto Aki

  Hayashida Masako (Ep. 4-5)

  Guest Role
• 
  Nagatomo Ikuma

  [Laboratory technician] (Ep. 4)

  Guest Role
• 
  Shiraishi Yua

  [Rikako's and Nagisa's friend] (Ep. 4)

  Guest Role
• 
  Matsuki Kenya

  [Coroner] (Ep. 4)

  Guest Role
• 
  Ichihara Mari

  (Ep. 4)

  Guest Role
• 
  Mizuma Ron

  Wang Fu Long (Ep. 5)

  Guest Role
• 
  Shirakawa Kazuko

  Takagi Umeko (Ep. 5)

  Guest Role
• 
  Tobita Kazuki

  [Fu Long's colleague] (Ep. 5)

  Guest Role
• 
  Fujima Sawako

  Hamada Aoi [Yukiko's friend] (Ep. 6)

  Guest Role
• 
  Hashimoto Atsushi

  Hamada Hisashi [Aoi's brother] (Ep. 6)

  Guest Role
• 
  Hamura Jinsei

  Hamada Hisashi [Teen] (Ep. 6)

  Guest Role
• 
  Kida Keisuke

  Hayase Sho [Aoi's fiancé] (Ep. 6)

  Guest Role
• 
  Kihara Masatoshi

  Horie Taichi (Ep. 6)

  Guest Role
• 
  Nagai Chihiro

  Horie Akane (Ep. 6)

  Guest Role
• 
  Okayasu Yuzuru

  [TV announcer] (Ep. 6)

  Guest Role
• 
  Minegishi Kiara

  (Ep. 6)

  Guest Role
• 
  Namase Katsuhisa

  Sendo Ushio (Ep. 7-8)

  Guest Role
• 
  Ibu Masato

  Awaji Masato (Ep. 7-8)

  Guest Role
• 
  Chiba Masako

  Yoshida Sanae (Ep. 7-8)

  Guest Role
• 
  Aoi Utano

  Sendo Saki [Ushio's daughter] (Ep. 7-8)

  Guest Role
• 
  Kirishima Reika

  Sendo Akemi [Ushio's wife] (Ep. 7-8)

  Guest Role
• 
  Hasegawa Nagi

  Hirano Nozomi (Ep. 7-8)

  Guest Role
• 
  Tamaki Takamasa

  [Ushio's head secretary] (Ep. 7)

  Guest Role
• 
  Yamasaki Jun

  [Masato's doctor] (Ep. 7)

  Guest Role
• 
  Okuno Tomoya

  [Ministerial SP] (Ep. 7-8)

  Guest Role
• 
  Osako Ippei

  [Detective] (Ep. 7-8)

  Guest Role
• 
  Oguma Tatsuki

  [Ushio's secretary] (Ep. 7)

  Guest Role
• 
  Ando Yuuko

  Hirano Minako (Ep. 8)

  Guest Role
• 
  Hirayama Shigefumi

  [Official reporting Masato's murder] (Ep. 8)

  Guest Role
• 
  Yamamoto Akira

  [Official reporting Masato's murder] (Ep. 8)

  Guest Role
• 
  Akapen Takigawa

  Akagawa Masashi [Officer leading SAT search] (Ep. 10-11)

  Guest Role
• 
  Tsuchihira Donpei

  [Leader of detectives visiting the 9th Department] (Ep. 10)

  Guest Role
• 
  Kakiuchi Kengo

  [Detective visiting the 9th Department] (Ep. 10)

  Guest Role
• 
  Nishihara Aki

  [Mikio's mother] (Ep. 11)

  Guest Role
• 
  Izumi Keitatsu

  (Ep. 1)

  Guest Role