- Joel McDonald
- Â Takumi 24 episodes, 2004-2006
- Stephen Hoff
- Â Additional Voices 24 episodes, 2004-2006
- Todd Haberkorn
- Â Keisuke 23 episodes, 2004-2006
- Chris Cason
- Â Fumihiro 23 episodes, 2004-2006
- J. Michael Tatum
- Â Ryosuke 22 episodes, 2004-2006
- Takehito Koyasu
- Â Ryosuke Takahashi 22 episodes, 2004-2006
- Mike McFarland
- Â Matsumoto 18 episodes, 2004-2006
- Greg Ayres
- Â Kenta 16 episodes, 2004-2006
- Eric Vale
- Â Iketani / ... 16 episodes, 2004-2006
- Jessie James Grelle
- Â Itsuki 14 episodes, 2004-2006
- Jean-Luc Hester
- Â Additional Voices 13 episodes, 2004-2006
- Christopher Bevins
- Â Kenji 11 episodes, 2004-2006
- Ian Sinclair
- Â Daiki 11 episodes, 2004-2006
- Kent Williams
- Â Bunta / ... 11 episodes, 2004-2006
- Justin Pate
- Â Nobuhiko / ... 10 episodes, 2004-2005
- Anthony Bowling
- Â Sakai 10 episodes, 2004-2006
- Robert McCollum
- Â Wataru / ... 9 episodes, 2004-2005
- Caitlin Glass
- Â Kyoko 7 episodes, 2004-2005
- Kenneth Thompson
- Â Additional Voices 7 episodes, 2004-2006
- John Swasey
- Â Hoshino 6 episodes, 2005-2006
- R. Bruce Elliott
- Â Joshima 6 episodes, 2005-2006
- Orion Pitts
- Â Sakamoto 6 episodes, 2004-2005
- Chuck Huber
- Â Yuichi 6 episodes, 2004-2006
- Jakie Cabe
- Â Additional Voices 6 episodes, 2005-2006
- Newton Pittman
- Â Additional Voices 5 episodes, 2004-2005
- Keith Kubal
- Â Additional Voices 5 episodes, 2004-2005
- Ben Bryant
- Â Additional Voices 5 episodes, 2005-2006
- J. Paul Slavens
- Â Additional Voices 5 episodes, 2005-2006
- Scott Hinze
- Â Additional Voices 5 episodes, 2005-2006
- Hilary Couch
- Â Additional Voices 5 episodes, 2005-2006
- Micah Solusod
- Â Additional Voices 4 episodes, 2004-2005
- Greg Silva
- Â Yamashita 4 episodes, 2004
- Alexis Tipton
- Â Additional Voices 4 episodes, 2005-2006
- Tia Lynn Ballard
- Â Additional Voices 4 episodes, 2005-2006
- Billie Bryant
- Â Additional Voices 4 episodes, 2005-2006
- Tyler Walker
- Â Additional Voices 3 episodes, 2004-2005
- Anastasia Munoz
- Â Additional Voices 3 episodes, 2004
- Z. Charles Bolton
- Â Additional Voices 3 episodes, 2004
- Corey Cleary-Stoner
- Â Additional Voices 3 episodes, 2004
- Bryan Massey
- Â Kuro Waru 3 episodes, 2005
- Mike Schraeder
- Â Additional Voices 3 episodes, 2005
- Erik Archilla
- Â Additional Voices 3 episodes, 2005
- Cody Hinson
- Â Additional Voices 3 episodes, 2005
- Cherami Leigh
- Â Kazumi 2 episodes, 2004-2005
- Bob Carter
- Â Additional Voices / ... 2 episodes, 2004-2005
- Jason Grundy
- Â Additional Voices 2 episodes, 2004-2005
- Christopher Sabat
- Â Kyouichi 2 episodes, 2004
- Jerry Jewell
- Â Additional Voices 2 episodes, 2004
- Sonny Strait
- Â Additional Voices 2 episodes, 2004
- Chris Patton
- Â Tohru 2 episodes, 2004
- Leah Clark
- Â Nao 2 episodes, 2004
- Scott Freeman
- Â Atsuro 2 episodes, 2004
- Jeff Johnson
- Â Tomoyuki 2 episodes, 2004
- Owen Hammersmith Ogden
- Â Additional Voices 2 episodes, 2004
- Nejls J. Buckles
- Â Additional Voices 2 episodes, 2004
- Nathanael Harris
- Â Shinichi 2 episodes, 2004
- Sean Teague
- Â Additional Voices 2 episodes, 2005
- Jonathan Brooks
- Â Additional Voices 2 episodes, 2005
- Scott Cantrell
- Â Additional Voices 2 episodes, 2005
- Brina Palencia
- Â Natsuki 1 episode, 2004
- Jason Douglas
- Â Seiji 1 episode, 2004
- Josh Martin
- Â Additional Voices 1 episode, 2004
- Chad Halbrook
- Â Additional Voices 1 episode, 2004
- Craig Dvorak
- Â Additional Voices 1 episode, 2004
- Phaedrus
- Â Additional Voices 1 episode, 2004
- Jonathan R. Freeman
- Â Additional Voices 1 episode, 2005
- Shin'ichirô Miki
- Â Takumi Fujiwara unknown episodes
- Tomokazu Seki
- Â Keisuke Takahashi unknown episodes
- Unshô Ishizuka
- Â Bunta Fujiwara unknown episodes
- Mitsuo Iwata
- Â Itsuki Takeuchi unknown episodes
