Atom no Ko

Composer

• 
  Ohmama Takashi

Director

• 
  Okamoto Shingo
• 
  Yamamuro Daisuke
• 
  Tago Yoshiaki

Screenwriter

• 
  Kamimori Marie

Main Role

• 
  Yamazaki Kento

  Azumi Nayuta / "John Doe"

  Main Role
• 
  Kishii Yukino

  Tominaga Umi

  Main Role
• 
  Matsushita Kouhei

  Sugo Hayato / "John Doe"

  Main Role

Support Role

• 
  Odagiri Joe

  Okitsu Akihiko

  Support Role
• 
  Kazama Morio

  Tominaga Shigeo

  Support Role
• 
  Denden

  Yaegashi Kengo

  Support Role
• 
  Tsukaji Muga

  Kagami Eiji / "Gami"

  Support Role
• 
  Okabe Dai

  Morita Satoshi

  Support Role
• 
  Hyunri

  Sagara Aki

  Support Role
• 
  Hayashi Yasufumi

  Ukai Yoshihisa

  Support Role
• 
  Minagawa Sarutoki

  Oyamada Kenyu

  Support Role
• 
  Nishida Naomi

  Dojima Yuriko

  Support Role
• 
  Baba Tohru

  Ide Masaru

  Support Role
• 
  Rokkaku Shinji

  Yoshizaki Makoto

  Support Role
• 
  Iinuma Ai

  Sugino Yui

  Support Role

Guest Role

• 
  Toda Naho

  Ogata Kanae

  Guest Role
• 
  Yanagi Shuntaro

  Ogata Kouya (Ep. 1-3)

  Guest Role
• 
  Ingo

  K. Ramachandran ["LGFI" CEO] (Ep. 1-4, 9)

  Guest Role
• 
  Masaki Sawa

  Kaori

  Guest Role
• 
  Watanabe Shinichiro

  Koike

  Guest Role
• 
  Ito Risako

  Nanako Maki

  Guest Role
• 
  Iwamoto Seimu

  Horikoshi

  Guest Role
• 
  Ando Akinori

  Hagiwara

  Guest Role
• 
  Iwakawa Haru

  Nakanishi Shota

  Guest Role
• 
  Kato Rosa

  Nakanishi Misako

  Guest Role
• 
  Harada Kana

  Ueda Maki

  Guest Role
• 
  Morishita Ryo

  Kiuchi

  Guest Role
• 
  Nakano Misaki

  Tominaga Umi [Child] (Ep. 1)

  Guest Role
• 
  Sakaguchi Sayuri

  [Automobile repair shop customer] (Ep. 1)

  Guest Role
• 
  Suma Kazuya

  [President of a toy company] (Ep. 3)

  Guest Role
• 
  Okano Yoichi

  "Kamiwaza" [Gaming YouTuber] (Ep. 5)

  Guest Role
• 
  Takahashi Meijin

  [Japanese Gecchari Robo fan] (Ep. 5)

  Guest Role
• 
  Isozaki Yoshitomo

  ["SAGAS" sommelier] (Ep. 5, 9)

  Guest Role
• 
  Nakai Chisato

  ["Mitsugi Minami Elementary School" teacher] (Ep. 6)

  Guest Role
• 
  Nagano Katsuhiro

  ["Mitsugi Minami Elementary School" vice principal] (Ep. 6)

  Guest Role
• 
  Tsujimoto Kouji

  [Real estate agent] (Ep. 6)

  Guest Role
• 
  Kimoto Yuki

  [Loan applicant] (Ep. 6)

  Guest Role
• 
  Otaki Itsuki

  [Guest commentator of a tv show] (Ep. 6)

  Guest Role
• 
  Mizuno Tomonori

  Takeda (Ep. 7)

  Guest Role
• 
  Okihara Issei

  [Saori's secretary] (Ep. 7-8)

  Guest Role
• 
  Aso Yumi

  Miyazawa Saori (Ep. 7-9)

  Guest Role
• 
  Moctar

  Tim (Ep. 7-9)

  Guest Role
• 
  Akutsu Nichika

  Sasaki ["Atom no Ko" character designer] (Ep. 7-9)

  Guest Role
• 
  Kamikawa Shusaku

  Matoba ["SAGAS" game development department manager] (Ep. 7-9)

  Guest Role
• 
  Ise Daiki

  Saeki Reo ["SAGAS" game development department employee] (Ep. 7-9)

  Guest Role
• 
  Yamazaki Tsutomu

  Ihara Soichiro (Ep. 8-9)

  Guest Role
• 
  Tanida Ayumi

  Takahashi [Saori's assistant] (Ep. 8-9)

  Guest Role
• 
  Takaku Keitaro

  [Detective who questioned Okitsu] (Ep. 8-9)

  Guest Role
• 
  Nishino Daisaku

  [TV reporter] (Ep. 8-9)

  Guest Role
• 
  Kobayashi Hiroshi

  [SAGAS employee who led the shareholder meeting] (Ep. 8-9)

  Guest Role
• 
  Yoshitake Chihaya

  [Female YouTuber] (Ep. 5)

  Guest Role
• 
  Naka Yoshiyo

  [Automobile repair shop manager] (Ep. 1, 6)

  Guest Role