• 
  Josh Hutcherson

  Shinjiro
• 
  Ryohei Kimura

  Shinjiro
• 
  Ken Uo

  Mitsuhiro Ide
• 
  Kaiji Soze

  Bemular
• 
  Takuya Eguchi

  Dan Moroboshi
• 
  Megumi Han

  Seiji Hokuto
• 
  Minoru Shiraishi

  Shiraishi
• 
  Ryôta Takeuchi

  Jack

• 
  Shigeru Ushiyama

  Edo
• 
  Hideyuki Tanaka

  Shin Hayata
• 
  Sumire Morohoshi

  Rena Sayama
• 
  Steve Blum

  Adado
• 
  Reba Buhr

  Alien Wadoran: Maya
• 
  Robbie Daymond

  Jack
• 
  D.C. Douglas

  Edo

• 
  Kyle McCarley

  Raiden
• 
  Matthew Mercer

  Bemular
• 
  Julie Nathanson

  Izumi
• 
  Jeff Nimoy

  Additional Cast
• 
  Liam O'Brien

  Moroboshi
• 
  Colleen O'Shaughnessey

  Shinjiro