| Name | Character | Episodes |
|---|---|---|
| Akio Otsuka | Musashi Miyamoto (voice) | 8 |
| Katsuyuki Konishi | Heikuro (voice) | 8 |
| Hochu Otsuka | Kensuke Matsui (voice) | 8 |
| Subaru Kimura | Goro-Maru (voice) | 8 |
| Kazuyuki Okitsu | Kaizen (voice) | 8 |
| Makoto Furukawa | Gensai (voice) | 8 |
| Ryohei Kimura | Iemon (voice) | 8 |
| Toshihiko Seki | Kojiro Sasaki (voice) | 8 |