• 
  Hatsuki Tsuji

  regizor

• 
  Matthew Drdek

  scenarist
• 
  Helen Truong

  scenarist

• 
  Wayne Grayson
• 
  David Wills
• 
  Kanako Irie

   Johan Anderson (76 episodes, 2006-2008)
• 
  Vinnie Penna

  Syrus Truesdale
• 
  Tony Salerno

  Chazz Princeton

• 
  Sean Schemmel

  Dr. Vellian Crowler (15 episodes, 2004-2005)
• 
  Veronica Taylor

  Ms. Dorothy (5 episodes, 2004-2005)
• 
  Marc Thompson

  Chazz Princeton (5 episodes, 2007)
• 
  Tom Kenny

  Additional Voices (4 episodes, 2004-2005)
• 
  Dan Green

  Syrus Truesdale  (19 episodes, 2004-2005)
• 
  Eric Stuart

  Elemental Hero Avian  (9 episodes, 2004-2005)
• 
  Ted Lewis

  Chumley Huffington (12 episodes, 2004-2005)

• 
  Anthony Salerno

  Jaden Yuki  (106 episodes, 2004-2007)
• 
  Jason Griffith

  Harrington (3 episodes, 2004-2005)
• 
  David Wills

   Tyranno Hassleberry / ... (46 episodes, 2004-2006)
• 
  Matt Charles

  Jaden Yuki
• 
  Christopher Collet

   Conklin (52 episodes, 2004-2005)
• 
  Matthew Laborteaux

  Jaden Yuki