Fukagawa Mai
Tonami Saki [Shinsuke's neighbor]
Rôle Secondaire
Tsukamoto Takashi
Murakami Eiji [Shinsuke's partner, Kuwano Murakami Architects]
Rôle Secondaire
Inamori Izumi
Okano Yukie ["BROWN CLOVER" cafe manager]
Rôle Secondaire
Miura Rieko
Nakagawa Keiko [Shinsuke's younger sister]
Rôle Secondaire
Omi Toshinori
Nakagawa Yoshio [Shinsuke's brother-in-law]
Rôle Secondaire
Taira Yuna
Nakagawa Yumi [Shinsuke's niece]
Rôle Secondaire
Kusabue Mitsuko
Kuwano Ikuyo [Shinsuke's mother]
Rôle Secondaire
Miyu Sakihi
Moriyama Sakurako [Housing production company employee / Eiji's girlfriend]
Rôle Secondaire
Anami Atsuko
Sawamura Eiko [Accountant, Kuwano Murakami Architects]
Rôle Secondaire
Nao
Yokota Shiori [Assistant, Kuwano Murakami Architects]
Rôle Secondaire
Arai Atsushi
Maruyama Yuta [Assistant, Kuwano Murakami Architects]
Rôle Secondaire
Onodera Zuru
Yamashita Kaori [Receptionist, Yoshiyama Law Office]
Rôle Secondaire
Fuwa Mansaku
Kobayashi Nobuo [Craftsman]
Rôle Secondaire
Naito Tomoya
Yaguchi ["Three Eight" clerk]
Rôle Secondaire
David Ito
Yakumaru [Member of Shinsuke's favorite gym "Megalos"]
Rôle Secondaire
Red Rice
Kudo
Rôle Secondaire
Nozawa Kento
Ozaki [Bartender at Kuwano's favorite bar "Fifteen"]
Rôle Secondaire

Nikaido Satoshi
Okano Yosuke [Yukie's husband] (Ep. 1)
Invité•e
Nerio Hiroaki
[Judge of the Tokyo Family Court] (Ep. 1)
Invité•e
Matsuzawa Hiroaki
Shinoda [Attorney] (Ep. 1)
Invité•e
Aoki Ippei
[Participant in the groundbreaking festival] (Ep. 1)
Invité•e
Yabe Kenji
Yokoi (Ep. 1, 10)
Invité•e
Sen Urara
(Ep. 1)
Invité•e
Ikeda Ai
Matsui ["Ikebukuro Pet Land" employee] (Ep. 2)
Invité•e
Kunimoto Shoken
Takagi [Detective] (Ep. 2)
Invité•e
Kubodera Akira
Sasaki [TV station producer] (Ep. 2-3)
Invité•e
Shibasaki Noboru
["BROWN CLOVER" customer] (Ep. 2)
Invité•e
Sakurai Hijiri
Kimura [Detective] (Ep. 3)
Invité•e
Hirata Yuya
Nomura Shingo [Popular actor] (Ep. 3)
Invité•e
Omiya Taro
Sonoda Shion [Writer & stage director] (Ep. 4)
Invité•e
Nonami Maho
Oshita Erika [Junior in the rhythmic gymnastics club of Madoka's high school] (Ep. 5)
Invité•e
Otada Naoki
(Ep. 5)
Invité•e
Isomura Hayato
Yano Ryosuke [Madoka's cousin] (Ep. 6)
Invité•e
Mashima Shuuto
["Three Eight" customer] (Ep. 6)
Invité•e
Fujita Susumu
["Megalos" gym trainer] (Ep. 6)
Invité•e
Okabe Takashi
Oshima Yusaku [Managing director of Teiwa Corp.] (Ep. 7)
Invité•e
Saito Yusuke
Kubota Shinjiro (Ep. 7)
Invité•e
Iwahashi Michiko
[Eiji and Sakurako's wedding moderator] (Ep. 8)
Invité•e
Niimi Serina
(Ep. 8)
Invité•e
Ito Masayuki
Kimura Atsushi [Shinsuke's client] (Ep. 9-10)
Invité•e
Miyata Sanae
Kimura Reiko
Invité•e
Saeki Arata
Kiwami Toshiro [Writer & stage director] (Ep. 9)
Invité•e
Hirano Kinari
Tamura Keiichi [Stage actor] (Ep. 9)
Invité•e
Masuda Anna
[Bar lady] (Ep. 9)
Invité•e
Ishizaki Natsumi
Inoue Mika [Stage actress] (Ep. 9)
Invité•e
Sakata Masanobu
[Atsushi's lawyer] (Ep. 10)
Invité•e
Ohira Yosuke
(Ep. 9)
Invité•e