- Travis Willingham
- Â Houshou Takigawa 25 episodes, 2006-2007
- Cherami Leigh
- Â Mai Taniyama 25 episodes, 2006-2007
- Todd Haberkorn
- Â Kazuya Shibuya 25 episodes, 2006-2007
- Colleen Clinkenbeard
- Â Ayako Matsuzaki 25 episodes, 2006-2007
- Kaori Nazuka
- Â Mai Taniyama 25 episodes, 2006-2007
- Kenji Hamada
- Â Hosho Takigawa 25 episodes, 2006-2007
- Yuuki Tai
- Â Kazuya Shibuya 25 episodes, 2006-2007
- Masami Suzuki
- Â Ayako Matsuzaki 25 episodes, 2006-2007
- Ken Narita
- Â Kojo Lin 24 episodes, 2006-2007
- J. Michael Tatum
- Â Lin Kojo 23 episodes, 2006-2007
- Jad Saxton
- Â Masako Hara / ... 23 episodes, 2006-2007
- Jason Liebrecht
- Â John Brown 22 episodes, 2006-2007
- Nobuhiko Okamoto
- Â John Brown 22 episodes, 2006-2007
- Rie Kugimiya
- Â Masako Hara 22 episodes, 2006-2007
- Nozomi Masu
- Â Yuuko Takahashi / ... 10 episodes, 2006-2007
- Eric Vale
- Â Yasuhara Osamu 10 episodes, 2007
- Kôsuke Okano
- Â Osamu Yasuhara 10 episodes, 2007
- Yuka Tanaka
- Â Michiru / ... 8 episodes, 2006-2007
- Yoshinori Sonobe
- Â Principal / ... 7 episodes, 2006-2007
- Atsushi Imaruoka
- Â Board Chairman / ... 6 episodes, 2006-2007
- Jamie Marchi
- Â Additional Voices / ... 6 episodes, 2007
- Kent Williams
- Â Ohashi / ... 5 episodes, 2006-2007
- Yasumichi Kushida
- Â Ohashi / ... 5 episodes, 2006-2007
- Caitlin Glass
- Â Kuroda / ... 5 episodes, 2006
- R. Bruce Elliott
- Â Urado / ... 4 episodes, 2006-2007
- Sean Hennigan
- Â Matsuyama / ... 4 episodes, 2006-2007
- Carrie Savage
- Â Wakako / ... 4 episodes, 2006-2007
- Brina Palencia
- Â Chiaki Kasai 4 episodes, 2006
- Stacey Oristano
- Â Dream Girl / ... 4 episodes, 2006
- Trina Nishimura
- Â Ghost / ... 4 episodes, 2006
- Miki Itô
- Â Kei Ubusuna 4 episodes, 2006
- Maeghan Albach
- Â Ghost / ... 4 episodes, 2006
- Kristin Sutton
- Â Ayami Morishita / ... 4 episodes, 2006
- Gwendolyn Lau
- Â Ubusuna 4 episodes, 2006
- Angela Chase
- Â Girl A / ... 4 episodes, 2006
- Nana Inoue
- Â Chiaki Kasai 4 episodes, 2006
- Monica Rial
- Â Madoka 4 episodes, 2007
- Luci Christian
- Â Katsuki 4 episodes, 2007
- Omi Minami
- Â Mori Madoka 4 episodes, 2007
- Yuka Iguchi
- Â Female Student / ... 3 episodes, 2006-2007
- Brittney Karbowski
- Â Thanat / ... 3 episodes, 2006
- Miyuki Sawashiro
- Â Kuroda 3 episodes, 2006
- Cynthia Cranz
- Â Noriko 3 episodes, 2006
- Wendy Powell
- Â Oshima / ... 3 episodes, 2006
- Kate Oxley
- Â Taka 3 episodes, 2006
- Mary Morgan
- Â Girl C / ... 3 episodes, 2006
- Jerry Russell
- Â Principal 3 episodes, 2006
- Kelley Johnson
- Â Michiru 3 episodes, 2006
- Yume Miyamoto
- Â Ayami Morishita 3 episodes, 2006
- Jennifer Sipes
- Â Keiko 3 episodes, 2006
- Kaho Kôda
- Â Hiro Oshima / ... 3 episodes, 2006
- Haruhi Terada
- Â Noriko Morishita 3 episodes, 2006
- Kim Matula
- Â Additional Voices / ... 3 episodes, 2007
- Chris Ayres
- Â Minami 3 episodes, 2007
- Kenji Nojima
- Â Akifumi Yoshimi 3 episodes, 2007
- Chris Burnett
- Â Akifumi 3 episodes, 2007
- Linda Leonard
- Â Igarashi 3 episodes, 2007
- Tomomichi Nishimura
- Â Reimei Minami 3 episodes, 2007
- Yoko Nishino
- Â Naoko Suzuki / ... 3 episodes, 2007
- Laura Wetsel
- Â Additional Voices 3 episodes, 2007
- Craig Dvorak
- Â Additional Voices / ... 3 episodes, 2007
- Jessica Foster
- Â Additional Voices 3 episodes, 2007
- Kathleen Hamm
- Â Additional Voices 3 episodes, 2007
- Nick Trautner
- Â Additional Voices / ... 3 episodes, 2007
- Kimberly Whalen
- Â Additional Voices / ... 3 episodes, 2007
- Toshimi Kanno
- Â Katsuki Yoshimi / ... 3 episodes, 2007
- Mike McFarland
- Â Kenji's Dad / ... 2 episodes, 2006-2007
- Miki Ôtani
- Â Female Student / ... 2 episodes, 2006-2007
- Kim Whalen
- Â Girl B / ... 2 episodes, 2006
- Stephanie Young
- Â Kana 2 episodes, 2006
- Bill Jenkins
- Â Yoshino 2 episodes, 2006
- Mark Stoddard
- Â Tojo 2 episodes, 2006
- Alison Viktorin
- Â Kenji 2 episodes, 2006
- Kokoro Kikuchi
- Â Kenji 2 episodes, 2006
- Mitsuaki Hoshino
- Â Tojo 2 episodes, 2006
- Jasper Dutt
- Â Girl D / ... 2 episodes, 2006
- Rie Ichita
- Â Thanat / ... 2 episodes, 2006
- Melanie Mason
- Â Sachiyo 2 episodes, 2006
- Charles Baker
- Â Additional Voices 2 episodes, 2007
- Ian Sinclair
- Â Additional Voices 2 episodes, 2007
- Leah Clark
- Â Suzuki 2 episodes, 2007
- Scott Freeman
- Â Additional Voices 2 episodes, 2007
- Linda Young
- Â Hiroe 2 episodes, 2007
- Charles C. Campbell
- Â Kazuyasu 2 episodes, 2007
- Cole Brown
- Â Principal / ... 2 episodes, 2007
- Orion Pitts
- Â Sakauchi / ... 2 episodes, 2007
- Takashi Matsuyama
- Â Matsuyama 2 episodes, 2007
- Andy Mullins
- Â Davis 2 episodes, 2007
- Jennifer Seman
- Â Yoko 2 episodes, 2007
- Kumiko Takizawa
- Â Igarashi 2 episodes, 2007
- Minako Ichiki
- Â Hiroe Yoshimi 2 episodes, 2007
- Scott Hinze
- Â Additional Voices 2 episodes, 2007
- Aiko Takahashi
- Â Wakako Yoshimi 2 episodes, 2007
- Ed Blaylock
- Â Superintendent 1 episode, 2006
- Kenny Green
- Â Principal 1 episode, 2006
- Tyler Walker
- Â Actor 1 episode, 2006
- Shinnosuke Tachibana
- Â Man 1 episode, 2006
- Amanda Doskocil
- Â Murayama 1 episode, 2006
- Brian Capshaw
- Â Reporter 1 episode, 2006
- Bradford Hutson
- Â Dream Man 1 episode, 2006
- Yûna Inamura
- Â Girl 1 episode, 2006
- Mari Kano
- Â Minnie 1 episode, 2006
- Brit Redfield
- Â Girl E / ... 1 episode, 2006
- Taliesin Jaffe
- Â Hiroyuki 1 episode, 2007
- Chuck Huber
- Â Eijiro 1 episode, 2007
- Hiro Shimono
- Â Sakauchi 1 episode, 2007
- Brian Mathis
- Â Additional Voices / ... 1 episode, 2007
- Bill Flynn
- Â Taizo 1 episode, 2007
- Clarine Harp
- Â Teruka 1 episode, 2007
- Mie Sonozaki
- Â Yoko Yoshimi 1 episode, 2007
- Jeff Manning
- Â Dr. Oliver Davis / ... 1 episode, 2007
- Masahito Yabe
- Â Man 1 episode, 2007
- Ryôko Shintani
- Â Female Student 1 episode, 2007
- Neeko
- Â Spirit Possessing Katsuki 1 episode, 2007
- Yuka Terazaki
- Â Female Student 1 episode, 2007
- Keisuke Ishida
- Â Taizo Yoshimi 1 episode, 2007
- Shin Yokooji
- Â Yasutaka Yoshimi 1 episode, 2007
