| | | The Beginning |
| Uba | | The nursemaid from Kisun. |
| Mariko | Hattori | Protagonist. Samurai daughter. Aka:S.Takeo, Lord Lackbeard. |
| | | Illusion and Expectation |
| Chiyo | Chan | Mariko Hattori's young maidservant. |
| Lady | Hattori | Mariko Hattori's mother. |
| Nobutada | | One of Kano Hattori's confidants. |
| Kano | Hattori | A prominent samurai / Mariko Hattori's father. |
| Kenshin | Hattori | Mariko Hattori's brother / The Dragon of Kai. |
| Masaru | Minamoto | The Emperor of Wa. |
| Prince Raiden | Minamoto | The son of Masaru Minamoto / Mariko Hattori's fiancee. |
| | | The Nightbeast |
| | | The black clan - a group of people who wants to kill Hattori Clan. |
| | | The Golden Castle |
| Roku | Minamoto | Half-brother Prince Raiden Minamoto. Son of Emperor Masaru. |
| | | A Calculated Risk |
| Ranmaru | Takeda | Boy that M. Hattori suspected to be leader of "The Black Clan". |
| Ronin | | Takeda Ranmaru's servant. |
| | | An Unmerited Blessing |
| Kane | | Kenshin Hattori's sorrel steed. |
| | | The Consequence |
| Okami | | Black Clan's champion / M.Hattori's new friend. aka: The Wolf. |
| Akira | | The Black Clan's member. |
| | | The Jewel Steel and Night Rain |
| Sengo | Muramasa | A celebrated Artisan / Kano Hattori's metalsmith. |
| Amaya | Muramasa | Sengo Muramasa's daughter |
| | | Many Kinds of Strength |
| Ren | | The boy with the murder eyes / Mariko Hattori's watcher. |
| | | Weakness of the Spirit |
| Yoshi | | The Black Clan's cook. |
| | | The Throwing Star |
| Haruki | | Black Clan's metalsmith / Childhood friend of Mariko Hattori. |
| | | Rivets of Gold and Petal Pink Water |
| Shingen | Takeda | Father of Ranmaru Takeda |
| | | An Honest Exchange |
| Korin | | Okami's Grandmother. |
| | | The Hot Spring |
| Yumi | | Okami's sister. |
| | | The Raid |
| Fumio | | Kano Hattori's soldier. |
| | | The Phoenix |
| Genmei | Yamato | Emperor Masaru's wife / Empress of Wa. |