Iryu Sosa Season 4

Director

• 
  Kanezaki Ryosuke
• 
  Hama Tatsuya
• 
  Hasegawa Yasushi

Screenwriter

• 
  Oishi Tetsuya
• 
  Morishita Tadashi
• 
  Yamamoto Mutsumi
• 
  Manabe Chiaki
• 
  Yamaoka Junpei

Main Role

• 
  Kamikawa Takaya

  Itomura Satoshi

  Main Role

Support Role

• 
  Kuriyama Chiaki

  Kanzaki Rio

  Support Role
• 
  Nagai Masaru

  Amamiya Hiroshi

  Support Role
• 
  Toda Keiko

  Sakura Michika

  Support Role
• 
  Danta Yasunori

  Hiyama Wataru

  Support Role
• 
  Miyazaki Karen

  Takizawa Ayako

  Support Role
• 
  Komoto Masahiro

  Muraki Shigeru

  Support Role

Guest Role

• 
  Ito Shiro

  Kurosawa Tsunenosuke (Ep. 1)

  Guest Role
• 
  Zaizen Naomi

  Osabe Reiko (Ep. 1)

  Guest Role
• 
  Minamisawa Nao

  Hayasaka Nozomi (Ep. 1)

  Guest Role
• 
  Tonesaku Toshihide

  Kurosawa Yudai (Ep. 1)

  Guest Role
• 
  Horiuchi Masami

  Hayasaka Mikio (Ep. 1)

  Guest Role
• 
  Namiki Shiro

  Kato Yasuo (Ep. 1)

  Guest Role
• 
  Kongochi Takeshi

  Adachi Fumiya (Ep. 1)

  Guest Role
• 
  Murakami Shingo

  Detective Ando (Ep. 1)

  Guest Role
• 
  Suwa Taro

  Hamada Kosaku (Ep. 1)

  Guest Role
• 
  Tosa Kazunari

  [Billiard shop manager] (Ep. 1)

  Guest Role
• 
  Oikawa Tatsuro

  [Shop clerk] (Ep. 1)

  Guest Role
• 
  Masu Takeshi

  Yuki Keisuke (Ep. 1, 5)

  Guest Role
• 
  Nomura Hironobu

  Yaezaki Tsuyoshi (Ep. 1, 6)

  Guest Role
• 
  Sakai Wakana

  Nishizaki Michiru (Ep. 2)

  Guest Role
• 
  Terada Kokoro

  Nishizaki Yuta (Ep. 2)

  Guest Role
• 
  Kondo Koen

  Akagi Kazuo (Ep. 2)

  Guest Role
• 
  Ida Kunihiko

  Nomura Atsushi (Ep. 2)

  Guest Role
• 
  Okochi Hiroshi

  Nanbu Shuichi (Ep. 2)

  Guest Role
• 
  Hira Takehiro

  Kurihara Atsushi (Ep. 3)

  Guest Role
• 
  Hizuki Hana

  Kurihara Megumi (Ep. 3)

  Guest Role
• 
  Hakamada Yoshihiko

  Nashida Tomoya (Ep. 3)

  Guest Role
• 
  Shimojo Atom

  Tomita Kojiro (Ep. 3)

  Guest Role
• 
  Uchida Chika

  Okajima Yumi (Ep. 3)

  Guest Role
• 
  Matsui Kimie

  Hashimoto Miyuki (Ep. 3)

  Guest Role
• 
  Yoshizawa Tomomi

  Tamura Marie (Ep. 3)

  Guest Role
• 
  Dan Jiro

  Takehara Sojiro (Ep. 4)

  Guest Role
• 
  Tsujimoto Yuki

  Ishibashi Keisuke (Ep. 4)

  Guest Role
• 
  Ando Tamae

  Ishibashi Rin (Ep. 4)

  Guest Role
• 
  Ikushima Yuki

  Saeki Ryoji (Ep. 4)

  Guest Role
• 
  Shirai Jirou

  Detective Sagaya (Ep. 4)

  Guest Role
• 
  Okamura Izumi

  Inoue Haruka (Ep. 4)

  Guest Role
• 
  Takigawa Yumi

  Tojo Shizuko (Ep. 5)

  Guest Role
• 
  Yamanaka Takashi

  Tojo Tatsuya (Ep. 5)

  Guest Role
• 
  Matsumoto Kazuma

  Tojo Tatsuya [Child] Ep. 5)

  Guest Role
• 
  Kasai Kenji

  Ozawa Yasuo (Ep. 5)

  Guest Role
• 
  Ito Takaaki

  Iwata Naoto (Ep. 5)

  Guest Role
• 
  Yoshitani Ayako

  Makino Miho (Ep. 5)

  Guest Role
• 
  Kokusho Sayuri

  Nishioka Mayumi (Ep. 6)

  Guest Role
• 
  Iwamatsu Ryo

  Nishioka Ryohei (Ep. 6)

  Guest Role
• 
  Moriwaki Eriko

  Nishina Hiroko (Ep. 6)

  Guest Role
• 
  Nakanishi Ryota

  Shiozaki Yoji (Ep. 6)

  Guest Role
• 
  Mine Rantaro

  Oshima Takashi (Ep. 6)

  Guest Role
• 
  Sugimori Daisuke

  Oshima Akio (Ep. 6)

  Guest Role
• 
  Moriyama Kurumi

  Sugiyama Sachi (Ep. 6)

  Guest Role
• 
  Owada Baku

  Onuma Shuichi (Ep. 7)

  Guest Role
• 
  Sakurada Dori

  Onuma Takeru (Ep. 7)

  Guest Role
• 
  Kobayashi Takashi

  Onoue Masahiko (Ep. 7)

  Guest Role
• 
  Yue Takeyuki

  Nozaki Kota (Ep. 7)

  Guest Role
• 
  Otani Mitsuho

  Shida Toko (Ep. 7)

  Guest Role
• 
  Watanabe Azusa

  Senda Satsuki (Ep. 7)

  Guest Role
• 
  Nakagawa Kozo

  [Journalist] (Ep. 7)

  Guest Role
• 
  Ozawa Maju

  Shibata Ayumi (Ep. 8)

  Guest Role
• 
  Ohno Ito

  Kawashima Yuki (Ep. 8)

  Guest Role
• 
  Shibue Joji

  Miyoshi Keiichi (Ep. 8)

  Guest Role
• 
  Shimizu Shogo

  Arihara Shigeru (Ep. 8)

  Guest Role
• 
  Ito Masayuki

  Morishima Naoto (Ep. 8)

  Guest Role
• 
  Nishimura Ayako

  Yazawa Eri (Ep. 8)

  Guest Role
• 
  Matsunaga Nagisa

  [Estrimo employee] (Ep. 8)

  Guest Role
• 
  Kato Kazuko

  Sakaguchi Mayo (Ep. 9)

  Guest Role
• 
  Oji Megumi

  Ebina Fumika (Ep. 9)

  Guest Role
• 
  Hamada Manabu

  Ebina Koki (Ep. 9)

  Guest Role
• 
  Takahashi Aiko

  Yoshioka Nana (Ep. 9)

  Guest Role
• 
  Oka Mayumi

  Ishii Nozomi

  Guest Role
• 
  Misuzu Kyoko

  Yokomori Yuki

  Guest Role
• 
  Tateishi Ryoko Guest Role