• 
  Kana Hanazawa

  Yuko Tani (voice)
• 
  Takahiro Sakurai

  Metphies (voice)
• 
  Mamoru Miyano

  Haruo Sakaki (voice)
• 
  Ken'yû Horiuchi

  Unberto Mori (voice)
• 
  Kazuya Nakai

  Halu-Elu Dolu-Do (voice)
• 
  Tomokazu Sugita

  Martin Lazzari (voice)
• 
  Kazuhiro Yamaji

  Endurph (voice)
• 
  Kenichi Suzumura

  Akira Sakaki (voice)

• 
  Daisuke Ono

  Eliott Leland (voice)
• 
  Yuki Kaji

  Adam Bindewald (voice)
• 
  Saori Hayami

  Haruka Sakaki (voice)
• 
  Reina Ueda

  Maina (voice)
• 
  Ari Ozawa

  Miana (voice)
• 
  Kenichi Suzumura

  Akira Sakaki (voice)
• 
  Kanehira Yamamoto

  Takeshi J. Hamamoto (voice)

• 
  Robbie Daymond

  Adam Bindewald (voice)
• 
  Junichi Suwabe

  Mulu-Elu Galu-Gu (voice)
• 
  Kenta Miyake

  Rilu-Elu Belu-Be (voice)
• 
  Junichi Suwabe

  Mulu-Elu Galu-Gu (voice) (as Junichi Suwabe)
• 
  Rachelle Heger

  Miana
• 
  Bill Rogers

  Josh Emerson