- Grant George
- Â Gen Shishio 52 episodes, 2006-2011
- Vic Mignogna
- Â Yoshimori Sumimura 51 episodes, 2006-2011
- Laura Bailey
- Â Tokine Yukimura 49 episodes, 2006-2011
- David Lodge
- Â Shigemori Sumimura / ... 40 episodes, 2006-2011
- Barbara Goodson
- Â Tokiko Yukimura / ... 26 episodes, 2006-2011
- Colleen O'Shaughnessey
- Â Yurina Kanda / ... 20 episodes, 2006-2010
- Kenjirô Tsuda
- Â Byaku 14 episodes, 2007-2011
- Hiroyuki Yoshino
- Â Yoshimori Sumimura 8 episodes, 2006-2007
- Rie Saitô
- Â Tokine Yukimura 8 episodes, 2006-2007
- Takeharu Ãnishi
- Â Madarao 6 episodes, 2006-2007
- Masanori Ishii
- Â Hakubi 5 episodes, 2006-2007
- Patrick Seitz
- Â Narration / ... 7 episodes, 2006
- Troy Baker
- Â Madarao / ... 7 episodes, 2006
- Wally Wingert
- Â Hakubi / ... 7 episodes, 2006
- Atsushi Miyauchi
- Â Narration / ... 6 episodes, 2006-2007
- Yôhei Tadano
- Â Shigemori Sumimura 6 episodes, 2006-2007
- Mayumi Tanaka
- Â Tokiko Yukimura 6 episodes, 2006-2007
- Manabu Muraji
- Â Shuji Sumimura 5 episodes, 2006-2007
- Saya Kazuki
- Â Yurina Kanda 5 episodes, 2006-2007
- Yusuke Tezuka
- Â Hiromu Tabata 4 episodes, 2006
- Takashi Ôhara
- Â Tomonori Ichigaya 4 episodes, 2006
- Dorothy Elias-Fahn
- Â Toshimori Sumimura / ... 4 episodes, 2006
- Miyuki Kawashô
- Â Toshimori Sumimura 4 episodes, 2006-2007
- Asako Dodo
- Â Shizue Yukimura 4 episodes, 2006-2007
- Bryce Papenbrook
- Â Hiromu Tabata 1 episode, 2006
- Kirk Thornton
- Â Ogata / ... 2 episodes, 2006
- Rob Blatt
- Â Shuji Sumimura 2 episodes, 2006
- Keith Silverstein
- Â Mr. Kurosu / ... 1 episode, 2006
- Stephanie Sheh
- Â Kirara Kawagami / ... 1 episode, 2006
- Etsuo Yokobori
- Â Tokio Yukimura 2 episodes, 2006
- Masako Nozawa
- Â Yumeko Hananokoji / ... 2 episodes, 2006
- Kôichi Tôchika
- Â Masahiko Tsukijigaoka 2 episodes, 2006
- Houko Kuwashima
- Â Yomi Kasuga 2 episodes, 2006
- Hisao Egawa
- Â Yoki 2 episodes, 2006
- Mona Marshall
- Â Yumeko Hananokoji / ... 2 episodes, 2006
- Wendee Lee
- Â Ayano / ... 1 episode, 2006
- Cindy Robinson
- Â Young Yoshimori Sumimura 2 episodes, 2006
- Akira Ishida
- Â Toshihiko Tsukijigaoka 1 episode, 2006
- Yuzuru Fujimoto
- Â Ogata 1 episode, 2006
- Hitoshi Ohya
- Â Yomi's Father 1 episode, 2006
- Keiko Konno
- Â Sumiko Sumimura 1 episode, 2006
- Yoshiyuki Ishizuka
- Â Ishizuka 1 episode, 2006
- Naomi Kusumi
- Â Pastry Shop Owner 1 episode, 2006
- Saori Seto
- Â Kyoko 1 episode, 2006
- Shôto Kashii
- Â Hakudo 1 episode, 2006
- Tôru Nara
- Â Odo 1 episode, 2006
- Hirohiko Kakegawa
- Â Masanao Murakami 1 episode, 2006
- Nami Okamoto
- Â Ayano 1 episode, 2006
- Momoko Harada
- Â Secretary 1 episode, 2006
- Tomoyuki Shimura
- Â Mr. Kurosu 1 episode, 2006
- Biichi Satoh
- Â Yomi's Family Member 1 episode, 2006
- Yuuko Kinoshita
- Â Woman A 1 episode, 2006
- Aki Sasamori
- Â Woman B 1 episode, 2006
- Yurin
- Â Kirara Kawagami 1 episode, 2006
- Saori Yumiba
- Â Mao Shinohara 1 episode, 2006
- Yuka Nagayoshi
- Â Ghost 1 episode, 2006
- Kate Higgins
- Â Tatoh 1 episode, 2006
- Michelle Ruff
- Â Yumigane 1 episode, 2006
- Christopher Corey Smith
- Â 1-B Teacher 1 episode, 2006
- Darrel Guilbeau
- Â Tomonori Ichigaya 1 episode, 2006
- Chafûrin
- Â Uro-sama 1 episode, 2007
- Nachi Nozawa
- Â Heisuke Matsudo 1 episode, 2007
- Eiji Miyashita
- Â Gen Shishio 1 episode, 2007
- Sam Riegel
- Â Kyoichi Hiba 1 episode, 2010
- Erin Fitzgerald
- Â Atora 1 episode, 2010
- Tom Fahn
- Â Masahiko Tsukijigaoka (uncredited) 2 episodes, 2006
- Michael McConnohie
- Â Yoki (uncredited) 1 episode, 2006
- David Vincent
- Â Hakudo (uncredited) 1 episode, 2006
- Steve Kramer
- Â Masanao Murakami (uncredited) 1 episode, 2006
- Peter Spellos
- Â Pastry Shop Owner (uncredited) 1 episode, 2006
- Brian Palermo
- Â Toshihiko Tsukijigaoka (uncredited) 1 episode, 2006
