Kotaro Lives Alone

Director

• 
  Matsumoto Kana

Original Creator

• 
  Tsumura Mami

Screenwriter

• 
  Eto Rin

Main Role

• 
  Yokoyama Yu

  Karino Shin

  Main Role
• 
  Kawahara Eito

  Sato Kotaro

  Main Role

Support Role

• 
  Yamamoto Maika

  Akitomo Mizuki [Apartment resident]

  Support Role
• 
  Namase Katsuhisa

  Tamaru Isamu

  Support Role
• 
  Momota Kanako

  Kobayashi Ayano ['Suzuno Law Firm' lawyer]

  Support Role
• 
  Nishihata Daigo

  Hanawa Keisuke

  Support Role
• 
  Mitsuishi Ken

  Suzuno Makio ['Suzuno Law Firm' managing partner]

  Support Role
• 
  Minemura Rie

  Oka Asako [Kindergarten teacher]

  Support Role
• 
  Deguchi Natsuki

  Futaba Toko [Kindergarten teacher]

  Support Role
• 
  Takito Kenichi

  "Tonosaman" [Anime character, Voice] | [Kotaro's father] (Ep. 9-10)

  Support Role
• 
  Issey Ogata

  [Apartment's landlord] | [Apartment's landlady]

  Support Role
• 
  Maeda Kento

  Morita Takuya

  Support Role
• 
  Honpo Kanon

  Tachibana Kana

  Support Role
• 
  Saito Takumi

  Yamamoto Kakeru

  Support Role
• 
  Ariyama Sanetoshi

  Tsubasa

  Support Role
• 
  Taguchi Hiroko

  [Takuya's mother]

  Support Role
• 
  Kurosawa Riko

  [Kana's mother]

  Support Role
• 
  Kaki Hiromi

  [Kakeru's mother]

  Support Role
• 
  Ishikawa Homare

  Nakayama Yuichi

  Support Role

Guest Role

• 
  Hachimine Anna

  Hiromi [Shin's ex-girlfriend] (Ep. 1)

  Guest Role
• 
  Ohkura Koji

  Fukuno Ippei [Shin's editor] (Ep. 1-2, 8)

  Guest Role
• 
  Ogino Yuri

  [Tamaru's ex-wife] (Ep. 2, 4)

  Guest Role
• 
  Mamiya Shotaro

  Aota Manabu [Private detective] (Ep. 4-5, 10)

  Guest Role
• 
  Tozuka Junki

  Raimu Yano [Shin's editor] (Ep. 3, 8, 10)

  Guest Role
• 
  Konno Mahiru

  [Kotaro's mother] (Ep. 4, 9-10)

  Guest Role
• 
  Koyama Sou

  Tamaru Yuta (Ep. 4, 10)

  Guest Role
• 
  Kobayashi Ryuju

  Naoto [Mizuki ex-boyfriend] (Ep. 6)

  Guest Role
• 
  Hisanaga Sara

  [Cabaret girl] (Ep.6)

  Guest Role
• 
  Sakaguchi Futa

  [Cabaret girl] (Ep. 6)

  Guest Role
• 
  Rina

  Yui [Maid] (Ep. 7)

  Guest Role
• 
  Sasaki Ayaka

  Arin [Maid] (Ep. 7)

  Guest Role
• 
  Naito Luna

  Milk [Maid] (Ep. 7)

  Guest Role
• 
  Miyaji Masako

  Karino Takiko [Shin's aunt] (Ep. 8)

  Guest Role
• 
  Bengal

  [Shin's uncle] (Ep. 8)

  Guest Role
• 
  Tanaka Haruto

  Karino Shin [Young] (Ep. 8)

  Guest Role
• 
  Takanashi Rin

  Nitta Akane [Shin's ex-girlfriend] (Ep. 8-10)

  Guest Role
• 
  Matsushima So

  Iwanaga Tasuku [Kotaro's friend in orphanage] (Ep. 8-10)

  Guest Role
• 
  Shimamura Tomomi

  [Hanawa Keisuke's mother] (Ep. 7)

  Guest Role
• 
  Yamada Hakuto

  [Kid at orphanage] (Ep. 9)

  Guest Role
• 
  Shimazaki Yuuki

  [Fuya's mother] (Ep. 3)

  Guest Role