• 
  Katsuyuki Konishi

  Karl Adamski (voice)
• 
  Maaya Sakamoto

  Reiko Ichinose (voice)
• 
  Bin Shimada

  Jean-Jacques Theroux (voice)
• 
  Hideyuki Tanaka

  Youchiro Amamiya (voice)
• 
  Motoko Kumai

  Daigaku Kanehira (voice)
• 
  Junichi Suwabe

  Young Shuhei Amamiya (voice)
• 
  Ryo Hirohashi

  Arisa (voice)
• 
  Toshiyuki Toyonaga

  Kousei Hirata (voice)

• 
  Ryoko Shiraishi

  Young Kai Ichinose (voice)
• 
  Mariya Ise

  Sophie Ormesson (voice)
• 
  Kenn

  Lech Szymanowski (voice)
• 
  Marie Miyake

  Namie Amamiya (voice)
• 
  Natsuki Hanae

  Shuhei Amamiya (voice)
• 
  You Taichi

  Sosuke Ajino (voice)
• 
  Soma Saito

  Kai Ichinose (voice)