- Takako Honda
- Â Hajime Aoyama 20 episodes, 2000-2001
- Kurumi Mamiya
- Â Keiichirou Miyanoshita 20 episodes, 2000-2001
- Tomoko Kawakami
- Â Satsuki Miyanoshita 20 episodes, 2000-2001
- Makoto Tsumura
- Â Leo Kakinoki 20 episodes, 2000-2001
- Greg Ayres
- Â Leo Kakinoki 20 episodes, 2000-2001
- Chris Patton
- Â Hajime Aoyama 20 episodes, 2000-2001
- Hilary Haag
- Â Satsuki Miyanoshita 20 episodes, 2000-2001
- Christine M. Auten
- Â Keiichirou Miyanoshita / ... 20 episodes, 2000-2001
- Sarah Hauser
- Â Keiichirou Miyanoshita / ... 20 episodes, 2000-2001
- Kumi Sakuma
- Â Momoko Koigakubo 19 episodes, 2000-2001
- Monica Rial
- Â Momoko Koigakubo 19 episodes, 2000-2001
- Ryûsei Nakao
- Â Amanojaku / ... 17 episodes, 2000-2001
- Rob Mungle
- Â Amanojaku 17 episodes, 2000-2001
- Yutaka Aoyama
- Â Sakata-sensei / ... 13 episodes, 2000-2001
- Takehiro Murozono
- Â Reiichirou Miyanoshita 12 episodes, 2000-2001
- Tommy Drake
- Â Mr. Sakata 11 episodes, 2000-2001
- Illich Guardiola
- Â Reiichirou Miyanoshita 10 episodes, 2000-2001
- Brittney Karbowski
- Â Leo's Mother / ... 7 episodes, 2000-2001
- Marcy Bannor
- Â Kayako Miyanoshita 7 episodes, 2000-2001
- Kotono Mitsuishi
- Â Kayako Miyanoshita 6 episodes, 2000-2001
- George Manley
- Â Janitor / ... 6 episodes, 2000-2001
- John Swasey
- Â Principal / ... 5 episodes, 2000-2001
- Andrew Love
- Â Man-Faced Dog / ... 5 episodes, 2000-2001
- Shelley Calene-Black
- Â PA Announcer / ... 5 episodes, 2000-2001
- Adam Jones
- Â Leo's Father / ... 5 episodes, 2000-2001
- Jon Corb
- Â Additional Voices / ... 5 episodes, 2000-2001
- Michele Guevara
- Â Additional Voices / ... 5 episodes, 2000-2001
- Melissa Davis
- Â Aya Etou / ... 5 episodes, 2001
- Naomi Kusumi
- Â Principal 4 episodes, 2000-2001
- Lesley Tesh
- Â Hanako / ... 4 episodes, 2000-2001
- Kira Vincent-Davis
- Â Ms. Matsushima / ... 4 episodes, 2000-2001
- Barbara Cummings Smith
- Â Additional Voices / ... 4 episodes, 2000-2001
- Kimberly Roque
- Â Additional Voices / ... 4 episodes, 2000
- Rebecca McAnally
- Â Additional Voices / ... 4 episodes, 2000
- Emily McCoy
- Â Additional Voices / ... 4 episodes, 2000
- Rod Peters
- Â Additional Voices / ... 4 episodes, 2000
- Luci Christian
- Â Aya Etou / ... 4 episodes, 2001
- Ayako Kawasumi
- Â Hanako 3 episodes, 2000-2001
- Masaaki Tsukada
- Â Satsuki's Grandfather / ... 3 episodes, 2000-2001
- Toshihiko Nakajima
- Â Leo's Father 3 episodes, 2000-2001
- Mami Horikoshi
- Â Leo's Mom 3 episodes, 2000-2001
- Wataru Takagi
- Â Headless Rider 3 episodes, 2000-2001
- Shelley Thomas
- Â Classmates / ... 3 episodes, 2000-2001
- Paul Oddo
- Â Construction Workers / ... 3 episodes, 2000-2001
- Jacob A. Gragard
- Â Coach / ... 3 episodes, 2000-2001
- Andy McAvin
- Â Manager / ... 3 episodes, 2000
- Yumi Fukamizu
- Â Matsushima-sensei 2 episodes, 2001
- Kiyomi Asai
- Â Aya Koudou 2 episodes, 2001
- Tomoe Hanba
- Â Misono Kiyohara 2 episodes, 2001
- Maria Kawamura
- Â Shinobu Matsuda (Yamime) / ... 2 episodes, 2001
- Masashi Hirose
- Â Aogami Akagami 2 episodes, 2000-2001
- John Gremillion
- Â Additional Voices / ... 2 episodes, 2000-2001
- Ernie Manouse
- Â Class President / ... 2 episodes, 2000-2001
- Blake Shepard
- Â Classmates / ... 2 episodes, 2000
- Charlie Ashley
- Â Classmates 2 episodes, 2000
- Jay Merritt
- Â Classmates 2 episodes, 2000
- Marisa Kreitz
- Â Classmates 2 episodes, 2000
- Jonathan Brands
- Â Additional Voices 2 episodes, 2000
- Brandon Hearnsberger
- Â Momoko's Father / ... 2 episodes, 2001
- Imani Harris
- Â Saeko / ... 2 episodes, 2001
- Alice Fulks
- Â Akane / ... 2 episodes, 2001
- Reeves Gentry
- Â Bus Driver / ... 2 episodes, 2001
- Daisuke Sakaguchi
- Â Reiichirou Miyanoshita (Young) 1 episode, 2001
- Maaya Sakamoto
- Â Miyuki Watanabe 1 episode, 2001
- Masayo Kurata
- Â Yayoi 1 episode, 2001
- Megumi Ogata
- Â Akane of the Broadcast Room 1 episode, 2001
- Tomokazu Seki
- Â Driver 1 episode, 2001
- Tomomichi Nishimura
- Â Datsueba 1 episode, 2000
- Yukana
- Â Shizuko 1 episode, 2001
- Kelly Manison
- Â Music Teacher (Ms. Okabe) 1 episode, 2000
- Logan Keslar
- Â Datto 1 episode, 2000
- Van Wilde
- Â Shirotabi 1 episode, 2000
- Matthew Crawford
- Â Gay Dink #1 1 episode, 2000
- Darrel Isaaks
- Â Boy 1 episode, 2000
- Dallas Reese
- Â Akagami Aogami 1 episode, 2000
- Vic Mignogna
- Â Da Vinci 1 episode, 2001
- David Matranga
- Â Racist Cabbie 1 episode, 2001
- Show Hayami
- Â Da Vinci 1 episode, 2001
- Fumiko Orikasa
- Â Tomomi Takahashi 1 episode, 2001
- Taylor Hannah
- Â Shinobu Matsuda 1 episode, 2001
- Tamara Levine
- Â Merry Mary 1 episode, 2001
- Isidro Gallegos
- Â Dolls 1 episode, 2001
- April McGee
- Â Dolls 1 episode, 2001
- Michelle Boyd
- Â Dolls 1 episode, 2001
- Ida Gilbert
- Â Dolls 1 episode, 2001
- Julieta Rivera
- Â Tomomi's mother 1 episode, 2001
- Natalie Lane
- Â Dolls 1 episode, 2001
- Skijjy Fishmarket
- Â Construction Workers 1 episode, 2001
- Donna Hannah
- Â Shizuko's Mother 1 episode, 2001
- Alexandra Bentliff
- Â Dolls 1 episode, 2001
- Daniel Roth
- Â Dolls 1 episode, 2001
- Gruff Vandersant
- Â Man at the Ghost Apt. Block (Koudou) 1 episode, 2001
- Josh Wright
- Â Maki 1 episode, 2001
- Dana Perez
- Â Dolls 1 episode, 2001
- April Brem
- Â Dolls 1 episode, 2001
- Jose Diaz
- Â Murderer Cabbie (Takizawa) 1 episode, 2001
- Koumi Sakuma
- Â Momoko Koigakubo unknown episodes
- Takehiro Douzono
- Â Reiichirou Miyanoshita unknown episodes
