| Tony Oliver | | Sorata Arisugawa (voice: English version) |
| Bridget Hoffman | | Hinoto (voice: English version) |
| Steven Jay Blum | | Seiichirô Aoki (voice: English version) |
| Steve Staley | | Kamui Shirô (voice: English version) |
| Richard Cansino | | Daisuke Saiki (voice: English version) |
| Debra Cunningham | | Yuzuriha Nekoi, Tokiko Magami (voice: English version) |
| Crispin Freeman | | Fûma Monô (English dub) (voice: English version) |
| 藤本譲 | | Stargazer (1 episode, 2001) |
| Barbara Goodson | | Old Sumeragi Clanswoman, Saya Monou, Maid (voice: English version) |
| Brianne Siddall | | Young Kamui Shirou (voice: English version) |
| Aya Hisakawa | | Hinoto (1 episode, 2001) |
| Koji Ishii | | Kyôgo Monô (1 episode, 2001) |
| Steve Kramer | | Scientist (voice: English version) |
| Houko Kuwashima | | Satsuki Yatôji (voice) |
| Abe Lasser | | Stargazer (voice: English version) |
| Wendee Lee | | Karen Kasumi (voice: English version) |
| Sherry Lynn | | Yuzuriha Nekoi (voice: English version) |
| Jamieson Price | | Kusanagi Shiyu, Satsuki's Father, Man At Basketball Game, Additional Voices (voice: Englis |
| Mitsuaki Madono | | Sorata Arisugawa (1 episode, 2001) |
| Dave Mallow | | Seishirô Sakurazuka |
| Mona Marshall | | Nataku, Mitsuru, Ken, Girl, Maid (voice: English version) |
| Michael McConnohie | | Kyogou Monou (voice: English version) |
| Mary Elizabeth McGlynn | | Kanoe (voice: English version) |
| 森川智之 | | Seiichirô Aoki (1 episode, 2001) |
| Ethan Murray | | Yûto Kigai (English dub) (voice) |
| Michiko Neya | | Saya Monou (voice: Japanese version) |
| Bob Papenbrook | | Kanoe's Boss, Takoyaki Vendor, Gang Member, CLAMP School Chairman (voice: English version) |
| Julianne Taylor | | Hokuto Sumeragi, Housekeeper, Mourner, Tohru Magami (voice: English version) |
| Terrence Stone | | Kakyou Kuzuki (English dub) |
| Michelle Ruff | | Kotori Monô (voice: English version) |
| Kumi Sakuma | | Yuzuriha Nekoi (1 episode, 2001) |
| Lia Sargent | | Arashi Kishû (voice: English version) |
| Dennis Schmidt-Foß | | Kusanagi Shiyû (voice: German version) |
| Gerrit Schmidt-FoB | | Fûma Monô (voice: German version) |
| Tony Schnur | | Fisherman, Kamui's Teacher (voice: English version) |
| Yôko Soumi | | Karen Kasumi (1 episode, 2001) |
| Terrence Stone | | Kakyo Kuzuki, Teenager, Gang Member (voice: English version) |
| Tomokazu Sugita | | Subaru Sumeragi (1 episode, 2001) |
| Hiroko Suzuki | | Previous Head of Household (voice: Japanese version) |
| Kenichi Suzumura | | Kamui Shirô (1 episode, 2001) |
| Kirk Thornton | | Fûma Monô (voice: English version) |
| Yuji Ueda | | Kakyô Kuzuki |
| Misa Watanabe | | Tokiko Magami |
| Satsuki Yukino | | Hokuto Sumeragi |
| Ryoka Yuzuki | | Arashi Kishû (1 episode, 2001) |
| Karen Strassman | | Satsuki Yatouji, Woman, Seishiro's Mother (voice: English version) |
| Dave Wittenberg | | Subaru Sumeragi, Scientist, Basketball Player, Newlywed, Yuzuriha's Teacher, Bully, Gang M |
| Motoko Kumai | | Nataku |
| Kishô Taniyama | | Daisuke Saiki |
| Miki Ono | | Kaede (1 episode, 2001) |
| Masaki Aizawa | | Kusanagi Shiyû |
| Michiaki Furuya | | Yûto Kigai |
| Otoru Kawano | | Seishirô Sakurazuka |
| Shiho Kawaragi | | Hien (1 episode, 2001) |
| Kaho Kôda | | Kanoe |
| Mamiko Noto | | Kotori Monô (1 episode, 2001) |
| Sayuri Sadaoka | | Grandmother (1 episode, 2001) |
| Junichi Suwabe | | Fûma Monô (1 episode, 2001) |
| Kaori Saiki | | Souhi (1 episode, 2001) |
| Julien Haggege | | Daisuke Saiki (voice: German version) |
| Penny Lee | | Additional Voices (voice: English version) |
| Noriaki Taniyama | | Employee (1 episode, 2001) |
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