• 
  Hiroshi Kamiya

  Rampo Edogawa
• 
  Mamoru Miyano

  Osamu Dazai
• 
  Yoshimasa Hosoya

  Doppo Kunikida
• 
  Yûto Uemura

  Atsushi Nakajima
• 
  Kaito Ishikawa

  Rokuzou Taguchi
• 
  Rikiya Koyama

  Yukichi Fukuzawa (voice)
• 
  Sanae Kobayashi

  Nobuko Sasaki (voice)
• 
  Lucien Dodge

  Kenji Miyazawa (voice)

• 
  Yu Shimamura

  Akiko Yosano (voice)
• 
  Mina

  Kirako Haruno (voice)
• 
  Hiroyuki Kagura

  Kenji Miyazawa (voice)
• 
  Wendee Lee

  Nobuko Sasaki (voice)
• 
  Jamieson Price

  Yukichi Fukuzawa (voice)
• 
  Vic Mignogna

  Rampo Edogawa (voice)
• 
  Xander Mobus

  Taguchi Rokuzou (voice)

• 
  Max Mittelman

  Atsushi Nakajima (voice)
• 
  Erica Lindbeck

  Akiko Yosano / Naomi Tanizaki (voice)