- Marc Thompson
- Â Izumi Mutsu / ... 26 episodes, 2004
- Lex Wutas
- Â Toshizo Hijikata / ... 15 episodes, 2004
- Marc Diraison
- Â Ryoma Sakamoto / ... 10 episodes, 2004
- Matt Caplan
- Â Soushi Okita / ... 9 episodes, 2004
- Erica Schroeder
- Â Iori / ... 8 episodes, 2004
- James Carter Cathcart
- Â Munenori Yagyu / ... 8 episodes, 2004
- J. David Brimmer
- Â Musashi Miyamoto / ... 8 episodes, 2004
- Peter Ganim
- Â Jyokichi Chiba / ... 7 episodes, 2004
- Debora Rabbai
- Â Tsubura Mutsu / ... 7 episodes, 2004
- Mike Pollock
- Â Sasuke 6 episodes, 2004
- Madeleine Blaustein
- Â Koshitaro Ito / ... 6 episodes, 2004
- Dan Green
- Â Kazuma Kuki / ... 5 episodes, 2004
- Rita Stephens
- Â Shiori / ... 5 episodes, 2004
- Sean Kenin
- Â Shintaro Nakaoka / ... 4 episodes, 2004
- Amy Palant
- Â Princess Yuki 4 episodes, 2004
- David Moo
- Â Munefuyu Matajyuro Yagyu / ... 4 episodes, 2004
- Christopher Kromer
- Â Iemitsu Tokugawa 4 episodes, 2004
- Haley Channing
- Â Ran 4 episodes, 2004
- Sean Schemmel
- Â Shinzaburo Kuki 3 episodes, 2004
- Wayne Grayson
- Â Kogoro Katsura 3 episodes, 2004
- Kevin T. Collins
- Â Mitsuyoshi Jubei Yagyu 3 episodes, 2004
- Gregory Abbey
- Â Genjiro Kuki / ... 3 episodes, 2004
- Suzanne Gilad
- Â Oryo 3 episodes, 2004
- Jeffrey Bender
- Â Hanjiro Nakamura 3 episodes, 2004
- Mollie Weaver
- Â Sanako Chiba 3 episodes, 2004
- Danny Burstein
- Â Takuan Osho 2 episodes, 2004
- Tony Salerno
- Â Narrator 2 episodes, 2004
- Jonathan Sale
- Â Hanheita Takeichi / ... 2 episodes, 2004
- Daryl Boling
- Â Toshiyoshi Hyogonosuke Yagyu 2 episodes, 2004
- Adam Devine
- Â Captain Kanno 2 episodes, 2004
- Joshua James
- Â Disciple 2 episodes, 2004
- Brian Schneider
- Â Toshikata Mozaemon Yagyu 2 episodes, 2004
- David Logan Rankin
- Â Matabei 2 episodes, 2004
- Michael Sinterniklaas
- Â Servant 1 episode, 2004
- David Wills
- Â Shinzo Miyoshi 1 episode, 2004
- Kôji Yusa
- Â Mutsu Takato unknown episodes
- Hiroki Takahashi
- Â Mutsu Yagumo unknown episodes
- Takashi Matsuyama
- Â Miyamoto Musashi unknown episodes
- Akifumi Endô
- Â Sakamoto Ryouma unknown episodes
