The Complex ~ Prologue

Composer

• 
  Kawai Kenji

Director

• 
  Nakata Hideo
• 
  Toyoshima Keisuke

Screenwriter & Director

• 
  Miyake Ryuuta

Main Role

• 
  Tanaka Kanau

  Kinoshita Minoru

  Main Role

Guest Role

• 
  Suruga Taro

  Imura Yosuke [Naomi's older brother] (Ep. 1-2 & 11-12)

  Guest Role
• 
  Satsukawa Aimi

  Kuramoto Yoko [Naomi's co-worker] (Ep. 1-2)

  Guest Role
• 
  Matsuoka Emiko

  Imura Naomi [Resident of "Kuroyuri Housing Complex"] (Ep. 1-2, 12)

  Guest Role
• 
  Morishita Yoshiyuki

  Satake [Real estate employee] (Ep. 1-2)

  Guest Role
• 
  Asano Maiko

  [Mother during a property viewing] (Ep. 1-2)

  Guest Role
• 
  Yanagi Yurei

  Ishizuka [Estate clearing organizer] (Ep. 1-2)

  Guest Role
• 
  Suwa Taro

  Detective Matsuura (Ep. 1-2)

  Guest Role
• 
  Shinokawa Momone

  (Ep. 1-2)

  Guest Role
• 
  Sagara Itsuki

  Shindo Mami [Mizuho's childhood friend] (Ep. 3-4)

  Guest Role
• 
  Miura Yui

  Munakata Mizuho [Resident of "Kuroyuri Housing Complex"] (Ep. 3-4)

  Guest Role
• 
  Banno Mari

  Adachi Eriko (Ep. 3-4)

  Guest Role
• 
  Sakata Tadashi

  Yamazaki Goro ["Kashiwagi Housing" employee] (Ep. 5-6)

  Guest Role
• 
  Yamada Kinuo

  Ogata Miyuki [Goro's subordinate] (Ep. 5-6)

  Guest Role
• 
  Matsuyama Miyuki

  Yamazaki Kumiko [Shinichi's mother] (Ep. 5-6)

  Guest Role
• 
  Shibuya Kento

  Nishina Yusuke [Former "Kashiwagi Housing" employee] (Ep. 5)

  Guest Role
• 
  Shimada Kyusaku

  Kashiwagi Kunio ["Kashiwagi Housing" manager] (Ep. 5-6)

  Guest Role
• 
  Suda Ryuga

  Yamazaki Shinichi [Goro and Kumiko's son] (Ep. 5-6)

  Guest Role
• 
  Nakamura Tomoya

  Watanabe Kazuya [Resident of "Kuroyuri Housing Complex"] (Ep. 7-8)

  Guest Role
• 
  Sudo Atsuko

  Watanabe Sayori [Kazuya's wife] (Ep. 7-8)

  Guest Role
• 
  Yumi Keiko

  Iida Tamiyo [Neighbor of the Watanabe couple who resides in the "Kuroyuri Housing Complex"] (Ep. 7-8)

  Guest Role
• 
  Iwata Sayuri

  Tachibana Minako [Kazuya's former affair partner] (Ep. 7-8)

  Guest Role
• 
  Narimiya Hiroki

  Sasahara Shinobu [Special cleaning company] (Ep. 7)

  Guest Role
• 
  Adachi Rika

  Hayama Reina (Ep. 9-10)

  Guest Role
• 
  Ishii Kokoa

  Hayama Reina [Young] (Ep. 9-10)

  Guest Role
• 
  Matsuzawa Kazuyuki

  Hayama Yusuke [Reina's father] (Ep. 9-10)

  Guest Role
• 
  Oda Atsushi

  Ihara Shinichi [Real estate agent employee] (Ep. 9)

  Guest Role
• 
  Hoshaku Yuka

  Sannomiya Kaoru [Spiritualist] (Ep. 9-10)

  Guest Role
• 
  Hoshino Akiko

  Miyamoto Tae [Ikuyo's mother] (Ep. 10)

  Guest Role
• 
  Genkaku Yuko

  Kobayashi Tomoe [Minoru's biological mother] (Ep. 11-12)

  Guest Role
• 
  Iida Kisuke

  Kobayashi Osamu [Tomoe's husband] (Ep. 11-12)

  Guest Role
• 
  Mitsumoto Ayaka

  Kobayashi Yukari [Osamu and Tomoe's daughter] (Ep. 11-12)

  Guest Role
• 
  Maeda Atsuko

  Ninomiya Asuka (Ep. 12)

  Guest Role

Unknown

• 
  Moriya Fumi Unknown