Episode 1
- Mizuno Kumi as Midorikawa Etsuko (Hiromu's mother)
- Hasegawa Tomoharu as Iimura Hayato (caregiver)
- Yamada Meikyo as Kurosawa Akio (Deputy Director of the Metropolitan Police Department)
- Shimura Togo as Tsukagushi Haruomi (murderer from 31 years ago)
- Munekiyo Mariko (宗清万里子) as Kosaka Megumi (Owner of nail salon "Kukunagon", Tsukagushi's younger sister)
- Kodama Hiroki (小玉丈貴) as Mizuhara (detective)
- Kamiya Haruki (神谷春樹) as Midorikawa Hiromu (killed by Tsukagushi 31 years ago)
Episode 2
Episode 3
- Kikuchi Maiko as Ogawara Aya (housewife)
- Terada Chiho as Takahashi Kumiko (Small restaurant "Takigawa" Proprietress)
- Tokui Yuu as Muto Keiji (Shinjuku Higashi Police Station, Life Safety Section)
- Oishi Goro as Makimura Yoji (Owner of karaoke bar "Maki")
- Kasamatsu Sho as Hayashi Daiki (bank-transfer scammer)
- Ozaki Usoh as Ogawara Takashi (Aya's husband)
- Hayase Mami (早瀬マミ) as Kawamura Emi (Bar "Drift" Mama)
- Yamaguchi Shigehiro (山口森広) as Nishiro (Shinjuku Nishi Police Station, Life Safety Section)
- Matsumoto Miki (松本海希) as Suzuki Keiko (President of Neighborhood Association)
- Tamoto Soran as Iwamatsu Seiichi (Shinjuku Nishi Police Station, Life Safety Section)
- Kozuki Mai (小築舞衣) as Kato Mai (Daytime shopkeeper of "Bar Nantonaku")
- Sato Nanoka (佐藤菜乃花) as Saeki Yumi (idol singer)
- Ono Shunsuke (大野俊亮) as Kozakai Hajime ("Sonna Kanji" shopkeeper)
- Nagashima Seira (永島聖羅) as Minami Reina (Bar "Drift" Hostess)
- Touno Shion (藤野詩音) as Ogawara Misaki (Takashi and Aya's daughter)
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Episode 4
- Yuui Ryoko as Makino Tomoko (Makino's wife, 30 years younger)
- Kasai Kenji as Makino Shigeru (President of Makino Komuten)
- Bui Nghi as Nguyen Van Dat (Vietnamese student working at Makino Komuten)
- Nguyen Hieu as Binh Truong (Vietnamese student working at Makino Komuten)
- Ozaki Yuji (尾﨑祐司) as Tani (President of Hiroshima factory)
Episode 5
- Aijima Kazuyuki as Tachibana Shohei (Rakugo storyteller)
- Aijima Kazuyuki as Sawabe Makoto (Kazuko's son, a Shohei doppelganger)
- Iwamoto Masuyo as Sawabe Kazuko (Sho's customer)
- Yamada Jundai as Okabe Yoshiro (Manager of Sales Development Department in Shinjuku Branch at Capital Meiwa Bank, Sho's boss)
- Mabuchi Erika as Seo Hitomi (Sales Development Staff in Shinjuku Branch at Capital Meiwa Bank, Sho's colleague)
- Yamada Yusuke as Tezukayama Sho (Sales Development Department in Shinjuku Branch at Capital Meiwa Bank)
- Kurita Yoko as Tezukayama Satoko (Sho's mother)
- Usui Masahiro as Tachibana Sansho (Shohei's disciple)
Episode 6
- Oka Mitsuko as Sakakibara Akiko (Katsuro's younger sister)
- Ayata Toshiki as Katsuro Katsuaki (resident of the hoarded house, former athlete of the Tokyo Olympics)
- Okayama Hajime as Takahashi Yoji (neighborhood resident of Katsuro)
- Hiki Rie as Kato Tetsuko (landlord of hoarded house)
- Watanabe Shiho as Shimizu Kuniko (neighborhood resident of Katsuro)
- Tatekawa Shinotaro (立川志の太郎) as Inoue Takashi (Shinjuku Ward Office, Inhabitant Counseling Center staff)
- Takahashi Yuichiro (高橋佑一郎) as Majima Tatsunori (theft addict)
- Matsuo Jun (松尾潤) as Sakakibara Daisuke (Akiko's grandson, swimmer)
Episode 7
- Hasegawa Jun as officer at Shinjuku-Nishiguchi Station
- Otomo Kohei as Mori Isamu (President of Mori Plating Factory, father of Chinatsu)
- Yue Takeyuki as Kunimi Akira (employee of Mori Plating Factory)
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