- Doug Erholtz
- Â Hakuoh / ... 60 episodes, 2002-2006
- Lisa Enochs
- Â Additional Voices / ... 52 episodes, 2002-2005
- Milton Lawrence
- Â Knight 52 episodes, 2002-2005
- Brahan Lee
- Â Knight / ... 52 episodes, 2002-2005
- Steve Blum
- Â Sho / ... 34 episodes, 2002-2006
- Liam O'Brien
- Â Shobu Kirifuda 34 episodes, 2005-2006
- Steve Prince
- Â Dr. Root / ... 34 episodes, 2005-2006
- Joey Latsko
- Â Boy George / ... 34 episodes, 2005-2006
- R. Martin Klein
- Â Benny Haha / ... 30 episodes, 2003-2006
- Colleen O'Shaughnessey
- Â Mimi 26 episodes, 2002-2004
- Bryce Papenbrook
- Â Prince Eugene the Mean 26 episodes, 2002-2004
- Johnny Yong Bosch
- Â Jack 26 episodes, 2002-2004
- Richard Steven Horvitz
- Â Fritz 26 episodes, 2002-2004
- Cam Clarke
- Â Rikuda's Father / ... 26 episodes, 2002-2004
- Debi Derryberry
- Â Rekuta Kadoko 26 episodes, 2002-2004
- Cindy Robinson
- Â Mai Kirifuda 26 episodes, 2002-2004
- Jamieson Price
- Â Prince Irving the Terrible 26 episodes, 2002-2004
- Katsuyuki Konishi
- Â Knight 26 episodes, 2002-2004
- Janice Kawaye
- Â Mimi 26 episodes, 2002-2004
- Jun Fukuyama
- Â Toru Kamiya 26 episodes, 2002-2004
- Jonathan Lipow
- Â Mikuni 26 episodes, 2002-2004
- Joshua Seth
- Â Shobu Kirifuda 26 episodes, 2002-2004
- Kerrigan Mahan
- Â Benny Haha 26 episodes, 2002-2004
- Ken'ichi Suzumura
- Â Takeshi Saroyama 26 episodes, 2002-2004
- Shôtarô Morikubo
- Â Duel Jacker Shou / ... 26 episodes, 2002-2004
- Norio Wakamoto
- Â Boy George 26 episodes, 2002-2004
- Jessica Straus
- Â Betty 26 episodes, 2002-2004
- Satsuki Yukino
- Â Kirifuda's Mom 26 episodes, 2002-2004
- Daisuke Kishio
- Â Kokojo 26 episodes, 2002-2004
- Yumiko Kobayashi
- Â Shobu Kirifuda 26 episodes, 2002-2004
- Bob Buchholz
- Â Additional Voices 26 episodes, 2002-2004
- Naoki Tatsuta
- Â Maruo Kadoko 26 episodes, 2002-2004
- David Jeremiah
- Â Jimera 26 episodes, 2002-2004
- Micha Liberman
- Â Kokujoh 26 episodes, 2002-2004
- Junko Minagawa
- Â Hakuoh 26 episodes, 2002-2004
- Kenji Hamada
- Â Kirifuda's Dad 26 episodes, 2002-2004
- Saki Nakajima
- Â Mimi Tasogare 26 episodes, 2002-2004
- Kôichi Sakaguchi
- Â Mikuni 26 episodes, 2002-2004
- David Neil Black
- Â Ryan 26 episodes, 2002-2004
- Yoshimitsu Shimoyama
- Â Tsuyoshi Saroyama 26 episodes, 2002-2004
- Tomohisa Asô
- Â Fritz / ... 26 episodes, 2002-2004
- Saeko Chiba
- Â Sayuki Manaka 26 episodes, 2002-2004
- Mayumi Yamaguchi
- Â Fhoton 26 episodes, 2002-2004
- Yoshinori Fujita
- Â Jamira / ... 26 episodes, 2002-2004
- Hidetoshi Nakamura
- Â Master 26 episodes, 2002-2004
- Jay Lerner
- Â Kintaro 26 episodes, 2002-2004
- Yuka Imai
- Â Rekuta Kadoko 26 episodes, 2002-2004
- Kan Tanaka
- Â Dr. Root 26 episodes, 2002-2004
- Chiyako Shibahara
- Â Kintaro Nanba 26 episodes, 2002-2004
- Tim Diamond
- Â Boy George 26 episodes, 2002-2004
- Mihoko Abukawa
- Â Olf 26 episodes, 2002-2004
- Katsuya Shiga
- Â Gyujiroh Japan 26 episodes, 2002-2004
- Saori Itô
- Â Electra 26 episodes, 2002-2004
- Alex Gold
- Â Rekuta 26 episodes, 2002-2004
- Roger Craig Smith
- Â Prince Maurice the Merciless 26 episodes, 2005
- Wendee Lee
- Â Mai Kirifuda 26 episodes, 2005
- Terrence Stone
- Â Boy George / ... 26 episodes, 2005
- Julie Ann Taylor
- Â Rekuta 26 episodes, 2005
- Sherrie Jackson
- Â Additional Voices 26 episodes, 2005
- Charlie Cooke
- Â Jimera 26 episodes, 2005
- Sterling R.
- Â Rekuta 26 episodes, 2005
- Yuri Lowenthal
- Â Robbie Rotten 8 episodes, 2006
- Kirk Thornton
- Â Knight 8 episodes, 2006
- Michelle Ruff
- Â Your Mama 8 episodes, 2006
- Mona Marshall
- Â Additional Voices 8 episodes, 2006
- Michael Sorich
- Â Benny Haha 8 episodes, 2006
- Brian Beacock
- Â Aizen / ... 8 episodes, 2006
- Philece Sampler
- Â Jimera 8 episodes, 2006
- Paul St. Peter
- Â Johnny Coolburns / ... 8 episodes, 2006
- Joe Ochman
- Â Rekuta's Father 8 episodes, 2006
- Brianne Brozey
- Â Rekuta 8 episodes, 2006
- Peggy O'Neal
- Â Saiyuki 8 episodes, 2006
- Bob Papenbrook
- Â Prince Eugene the Mean / ... unknown episodes