| Name | Character | Episodes |
|---|---|---|
| Akio Otsuka | Yujiro Hanma (voice) | 12 |
| Nobunaga Shimazaki | Baki Hanma (voice) | 12 |
| Megumi Han | Rumina Ayukawa (voice) | 12 |
| Koichi Yamadera | Lips, Teeth, Tongue (voice) | 12 |
| Mami Koyama | Maria (voice) | 12 |
| Tessyo Genda | Saman (voice) | 12 |
| Hochu Otsuka | Biscuit Oliva (voice) | 12 |
| Toru Furuya | Narrator (voice) | 12 |
| Kensho Ono | Chamomile Lessen (voice) | 12 |
| Masashi Ebara | Bob McCarthy (voice) | 12 |