Before the Day

Director

• 
  Kawai Hayato

Screenwriter

• 
  Mori Hayashi

Main Role

• 
  Kato Seishiro

  Sakabe Kotaro

  Main Role
• 
  Karata Erika

  Okuma Shiori / Mikoto

  Main Role
• 
  Suzuki Jin

  Mabuchi Hayato

  Main Role
• 
  Yoda Yuuki

  Tsukishima Rin

  Main Role

Support Role

• 
  Uchi Hiroki

  Ito Tsuyoshi [Detective]

  Support Role
• 
  Nishida Kouki

  Fukasawa Shinta [Detective]

  Support Role
• 
  Uchida Chika

  Nagamine Yoko

  Support Role
• 
  Irei Himena

  Ichijo Nao

  Support Role
• 
  Shirato Yumeno

  Horai Akane [Morning news announcer]

  Support Role
• 
  Tabata Shima

  Kasai Marimo [Rin's high school classmate]

  Support Role

Guest Role

• 
  Takeno Ruri

  Yagihashi Shizuka [Soba store part-timer] (Ep. 1)

  Guest Role
• 
  Horiuchi Mitsuharu

  [Soba restaurant owner] (Ep. 1)

  Guest Role
• 
  Ijima Ku

  Miyaji Teruaki (Ep. 1-4)

  Guest Role
• 
  Otsuka Hirota

  Kotani Ryuichi (Ep. 1-2, 8-10)

  Guest Role
• 
  Kii Yuko

  Shiratori Yumiko (Ep. 1-2, 8, 10)

  Guest Role
• 
  Kimura Tomoki

  [Security guard / 1st victim discoverer] (Ep. 1-2, 9-10)

  Guest Role
• 
  Moro Morooka

  Ugajin Hitoshi (Ep. 1, 8)

  Guest Role
• 
  Hirokawa Mitsunori

  [Villa administrator] (Ep. 1, 3, 8)

  Guest Role
• 
  Matsufuji Shion

  Noro (Ep. 2)

  Guest Role
• 
  Ito Hakuba

  [Video rental employee] (Ep. 2)

  Guest Role
• 
  Matsushima Kenta

  [Musasabi Transport staff] (Ep. 2)

  Guest Role
• 
  Inui Akito

  Murakoshi Yu [Shiori's former superior] (Ep. 2, 6, 9-10)

  Guest Role
• 
  Yamaguchi Shigehiro

  [Chief] (Ep. 3)

  Guest Role
• 
  Tsujikawa Keiji

  [Sagara's affair partner] (Ep. 3)

  Guest Role
• 
  Kobayashi Kinako

  Sagara Tomoko (Ep. 3-4)

  Guest Role
• 
  Adachi Tomomitsu

  Shimoyama Tatsuro (Ep. 3-4, 6)

  Guest Role
• 
  Kaneko Yui

  Nemoto (Ep. 4)

  Guest Role
• 
  Nishino Ryo

  Yasuda Sohei (Ep. 4)

  Guest Role
• 
  Hamada Aoi

  Shimoyama Konosuke (Ep. 4)

  Guest Role
• 
  Moriyama Mitsuki

  Takaoka Fumino [Teruaki's ex-wife] (Ep. 4)

  Guest Role
• 
  Mizuno Tomonori

  [Deliveryman] (Ep. 4)

  Guest Role
• 
  Kobayashi Hiroto

  Samejima Yohei (Ep. 4, 6-10)

  Guest Role
• 
  Nobukawa Seijun

  [Marimo's mother] (Ep. 4, 7)

  Guest Role
• 
  Yamada Atsuki

  Ito Mizuto [Tsuyoshi's son] (Ep. 5)

  Guest Role
• 
  Kobayakawa Mayu

  Ito Miyako [Tsuyoshi's wife] (Ep. 5)

  Guest Role
• 
  Imae Daichi

  Marufuji Kenjiro (Ep. 5-6, 8-10)

  Guest Role
• 
  Takaku Keitaro

  Kashiwada (Ep. 5, 8)

  Guest Role
• 
  Sato Goro

  [Security guard] (Ep. 6)

  Guest Role
• 
  Miyashita Yui

  Momose Natsuki (Ep. 6-7)

  Guest Role
• 
  BOB

  Oikawa (Ep. 7)

  Guest Role
• 
  Osada Ryoko

  [Resident near the school] (Ep. 8)

  Guest Role
• 
  Miyazaki Ririsa

  Ichijo Nao [Child] (Ep. 9)

  Guest Role
• 
  Arai Miu

  Nagamine Yoko [Young] (Ep. 10)

  Guest Role

Voice Actor

• 
  Sakura Mayumi

  [Nao's mother] (Ep. 9)

  Voice Actor