Keishichou Sousa Ikkachou Season 4 (2020)

Director

• 
  Hama Tatsuya
• 
  Ikezawa Tatsuya

Producer

• 
  Shimada Kaoru

Screenwriter

• 
  Fukasawa Masaki
• 
  Tanabe Mitsuru

Main Role

• 
  Naito Takashi

  Oiwa Junichi

  Main Role

Support Role

• 
  Saito Yuki

  Hirai Makoto

  Support Role
• 
  Honda Hirotaro

  Sasagawa Takeshi

  Support Role
• 
  Suzuki Hiroki

  Amagasa Kazuma

  Support Role
• 
  Haogo

  Muto Hiroki

  Support Role
• 
  Hizuki Hana

  Itaki Mochiko

  Support Role
• 
  Hanawa Nobuyuki

  Okuno Chikamichi

  Support Role
• 
  Tokoshima Yoshiko

  Oiwa Koharu

  Support Role
• 
  Kaneda Akio

  Oyamada Daisuke

  Support Role

Guest Role

• 
  Matsushita Yuki

  Imada Miren (Ep. 1)

  Guest Role
• 
  Yoshimitsu Hiroto

  [First victim] (Ep. 1)

  Guest Role
• 
  Oda Lisa

  Imada Aki (Ep. 1)

  Guest Role
• 
  Kubozuka Shunsuke

  Sawaya Kaname (Ep. 1)

  Guest Role
• 
  Seki Futoshi

  [Young Man A] (Ep. 1)

  Guest Role
• 
  Yamamoto Koji

  [Bad A] (Ep. 1)

  Guest Role
• 
  Maeda Nozomi

  Tsukiniwa Yumeri (Ep. 1)

  Guest Role
• 
  Ishii Hideaki

  Imada Sosaku (Ep. 1)

  Guest Role
• 
  Miyamoto Maki

  Oka Yasuko (Ep. 1)

  Guest Role
• 
  Nomaguchi Toru

  Shinno Tomoya (Ep. 1)

  Guest Role
• 
  Miyoshi Ayaka

  Imoo Hagi (Ep. 1)

  Guest Role
• 
  Michiue Ayumi

  Imoo Hagi [Child] (Ep. 1)

  Guest Role
• 
  Takeda Rena

  Ashida Yukiko (Ep. 2)

  Guest Role
• 
  Sano Gaku

  Fukamachi Kazuo (Ep. 2)

  Guest Role
• 
  Sawai Miyuu

  Fujitani Yuri (Ep. 2)

  Guest Role
• 
  Ozeki Reika

  Kamogawa Saki [First victim] (Ep. 2)

  Guest Role
• 
  Yuui Ryoko

  Yoshiyama Chiaki (Ep. 2)

  Guest Role
• 
  Sugita Kaoru

  Kujo Kikuko (Ep. 3)

  Guest Role
• 
  Ozaki Usou

  Momoyama Tatsunori [First victim] (Ep. 3)

  Guest Role
• 
  Aoyama Megu

  Kotoda Nanami (Ep. 3)

  Guest Role
• 
  Tokui Yu

  Kamahara Takumi (Ep. 3)

  Guest Role
• 
  Ozawa Maju

  Iwanami Kana (Ep. 3)

  Guest Role
• 
  Mikura Kana

  Nirasaki Kuniko (Ep. 4)

  Guest Role
• 
  Uchida Asahi

  Mizuta Hidetsugu (Ep. 4)

  Guest Role
• 
  Nozoe Yoshihiro

  Tsutsumi Taizo [First victim] (Ep. 4)

  Guest Role
• 
  Kurita Yoko

  Tsutsumi Masuyo (Ep. 4)

  Guest Role
• 
  Tsurumachi Ken

  Endo Ryoji (Ep. 4)

  Guest Role
• 
  Kobayakawa Shunsuke

  Tsutsumi Yasaharu (Ep. 4)

  Guest Role
• 
  Ueshima Ryuhei

  Inomata Kikuto (Ep. 4)

  Guest Role
• 
  Sakai Wakana

  Akahori Ruriko (Ep. 5)

  Guest Role
• 
  Niitsu Chise

  Akahori Ruriko [Child] (Ep. 5)

  Guest Role
• 
  Kobashi Megumi

  Midorizawa Izumi (Ep. 5)

  Guest Role
• 
  Uchida Chika

  Aosaki Mie [First victim] (Ep. 5)

  Guest Role
• 
  Odai Ryohei

  Haida Tamio (Ep. 5)

  Guest Role
• 
  Sugiura Kotono

  Chatani Reiko (Ep. 5)

  Guest Role
• 
  Misaka Chieko

  Akahori Naeko (Ep. 5)

  Guest Role
• 
  Amamiya Ryo

  Kurosaka Keiichiro (Ep. 5)

  Guest Role
• 
  Shaku Yumiko

  Kumaki Takayo (Ep. 6)

  Guest Role
• 
  Hiruma Yoshinori

  Morino Shigeto (Ep. 6)

  Guest Role
• 
  Shinohara Mai

  Kusamura Aika (Ep. 6)

  Guest Role
• 
  Ozeki Shinji

  Kumaki Noboru (Ep. 6)

  Guest Role
• 
  Saito Kento

  Kumaki Teruya (Ep. 6)

  Guest Role
• 
  Hano Aki

  Kamiishi Risako (Ep. 7)

  Guest Role
• 
  Oshinari Shugo

  Kazaoka Kanji (Ep. 7)

  Guest Role
• 
  Kikuchi Maiko

  Fukumitsu Hiromi (Ep. 7)

  Guest Role
• 
  Matsuda Yoji

  Komatsubara Shigemitsu [First victim] (Ep. 7)

  Guest Role
• 
  Yamada Meikyo

  Mikage Kiichiro (Ep. 7)

  Guest Role
• 
  Nanao

  Suganuma Mayu (Ep. 7)

  Guest Role
• 
  Mamiya Shotaro

  Sawaguchi Seitaro (Ep. 7)

  Guest Role
• 
  Nakajima Arisa

  Sakate Haruyo (Ep. 8)

  Guest Role
• 
  Moriwaki Eriko

  Katsuya Junko (Ep. 8)

  Guest Role
• 
  Kikawada Masaya

  Matsutomo Shiro [First victim] (Ep. 8)

  Guest Role
• 
  Saeki Daichi

  Kurimiya Rokuro (Ep. 8)

  Guest Role
• 
  Enako

  Nishimori Nezuko (Ep. 8)

  Guest Role
• 
  Yamasaki Hideki

  ['Kitchen Nagasaki' owner (Ep. 8)

  Guest Role
• 
  Morio Yumi

  Kuramae Fubuki (Ep. 9)

  Guest Role
• 
  Abe Sae

  Kuramae Fubuki [High school days] (Ep. 9)

  Guest Role
• 
  Komatsu Toshimasa

  Karasawa Tamiya [First victim] (Ep. 9)

  Guest Role
• 
  Kurosawa Asuka

  Ashikaga Tamami (Ep. 9)

  Guest Role
• 
  Fujita Tom

  Yoshikazu Nagikawa (Ep. 9)

  Guest Role
• 
  Konishi Sakurako

  Niijima Akane (Ep. 9)

  Guest Role
• 
  Maeno Tomoya

  Kosakai Tamotsu (Ep. 9)

  Guest Role
• 
  Minamisawa Nao

  Deguchi Riko (Ep. 10)

  Guest Role
• 
  Nakabeppu Aoi

  Sumitani Kana [First victim] (Ep. 10)

  Guest Role
• 
  Amano Hana

  Minamikawa Maimi (Ep. 10)

  Guest Role
• 
  Ozawa Ryota

  Fujiga Rashi (Ep. 10)

  Guest Role
• 
  Makino Rika

  Karasawa Yoshimi (Ep. 10)

  Guest Role
• 
  Katagiri Jin

  Spice Takeda (Ep. 10)

  Guest Role
• 
  Watanabe Masayuki

  Matsuno Heikichi (Ep. 10)

  Guest Role
• 
  Asahina Aya

  Sagisawa Machiko (Ep. 11)

  Guest Role
• 
  Shoji Yusuke

  Kamoshida Shinji (Ep. 11)

  Guest Role
• 
  Harukaze Hitomi

  Hatomura Yukie (Ep. 11)

  Guest Role
• 
  Kyo Nobuo

  Hatomura Naomichi (Ep. 11)

  Guest Role
• 
  Maruyama Rei

  Torigoe Ayami (Ep. 11)

  Guest Role
• 
  Tobayama Bunmei

  Tsurunami Issei (Ep. 11)

  Guest Role
• 
  Yagyu Miyu

  Yagi Ayumi (Ep. 12)

  Guest Role
• 
  Shuhama Harumi

  Shibukawa Tokiko (Ep. 12)

  Guest Role
• 
  Inoue Hajime

  Samejima Shunzo [First victim] (Ep. 12)

  Guest Role
• 
  Yoshimura Ryo

  Kamagaya Masako (Ep. 12)

  Guest Role
• 
  Kugasawa Toru

  Ebihara Manabu (Ep. 12)

  Guest Role
• 
  Ota Ayano

  Minowa Shizuka (Ep. 12)

  Guest Role
• 
  Kato Man

  [Shipping company president] (Ep. 12)

  Guest Role
• 
  Kobayashi Ryoko

  Haikawa Yui (Ep. 13)

  Guest Role
• 
  Mabuchi Erika

  Anesaki Ikuyo [First vitim] (Ep. 13)

  Guest Role
• 
  Omura Ayako

  Nasuda Shiako (Ep. 13)

  Guest Role
• 
  Murakami Shingo

  Oji Hakuba (Ep. 13)

  Guest Role
• 
  Kanno Rio

  Tsukai Maho (Ep. 13)

  Guest Role
• 
  Ishii Kazuaki

  Hakuba Oji (Ep. 13)

  Guest Role
• 
  Shimizu Kurumi

  Aiki Yoko (Ep. 14)

  Guest Role
• 
  Gi Ryoko

  Choshi Yoshimi (Ep. 14)

  Guest Role
• 
  Otada Naoki

  Ishimatsu Yukichi (Ep. 7)

  Guest Role
• 
  Obana Kanji

  Nirasaki Tetsuto (Ep. 4)

  Guest Role
• 
  Itoh Mamiko

  Sakura Chieri (Ep. 14)

  Guest Role
• 
  Namioka Kazuki

  Hoshiba Izumi [First victim] (Ep. 14)

  Guest Role
• 
  Matsumoto Wakana

  Naruki Ruka (Ep. 15)

  Guest Role
• 
  Kanai Yuta

  Chikushi Taiyo (Ep. 15)

  Guest Role
• 
  Ikezu Shoko

  Ikei Keiko (Ep. 15)

  Guest Role
• 
  Matsumura Ryunosuke

  Narushima Naruto (Ep. 15)

  Guest Role
• 
  Deguchi Arisa

  Wada Shino (Ep. 15)

  Guest Role
• 
  Haru

  Yashiro Tomo (Ep. 15)

  Guest Role
• 
  Shimazaki Haruka

  Matsushiro Narumi (Ep. 16)

  Guest Role
• 
  Kimura Ryo

  Joho Wataru (Ep. 16)

  Guest Role
• 
  Torii Miyuki

  Nakaba Michi [First victim] (Ep. 16)

  Guest Role
• 
  Komiya Arisa

  Shiono Kaori (Ep. 16)

  Guest Role
• 
  Mori Hinami

  Sonokawa Rika (Ep. 16)

  Guest Role
• 
  Tonesaku Toshihide

  Nebu Norio (Ep. 16)

  Guest Role
• 
  Kato Hifumi

  Hifumi

  Guest Role