• 
  Shotaro Morikubo

  Kouji Kabuto (voice)
• 
  Ai Kayano

  Sayaka Yumi (voice)
• 
  Unshô Ishizuka

  Dr. Hell (voice)
• 
  Masami Kikuchi

  Nuke (voice)
• 
  Junpei Morita

  Prime Minister Yumi (voice)
• 
  Bin Shimada

  Dr. Nossori (voice)
• 
  Kôzô Shioya

  Dr. Sewashi (voice)
• 
  Wataru Takagi

  Boss (voice)

• 
  Kappa Yamaguchi

  Mucha (voice)
• 
  Sumire Uesaka

  Lisa (voice)
• 
  Natsuki Hanae

  Shiro Kabuto
• 
  Keiji Fujiwara

  Count Brocken (voice)
• 
  Romi Pak

  Baron Ashura (female side) (voice)
• 
  Toshihiko Seki

  Tetsuya Tsurugi (voice)
• 
  Nana Yamaguchi

  Misato (voice)

• 
  Hiroyuki Miyasako

  Baron Ashura (male side) (voice)
• 
  Ami Koshimizu

  Jun Hono (voice)
• 
  Azusa Tadokoro

  Mazin Girl