Cast & crew
21 Emon (1991)
Cast
| Nozomu Sasaki | 21-21 |
| Ikue Otani | Mongฤ |
| Naoki Tatsuta | Gonsuke |
Crew
| Keiichi Hara | Series Director |
| Yoshihiko Takakura | Character Designer |
| Akira Okeya | Series Composition |
| Akira Ookuma | Recording Supervision |
| Yasuo Uragami | Recording Supervision |
| Roku Atelier | Background Designer |
| Akihiko Matsuda | Sound Effects Editor |
| Kohei Tanaka | Music |
| Masatsugu Arakawa | Mechanical & Creature Designer |
| Michiaki Doi | Special Effects |
| Akira Michikawa | Title Graphics |
| Naomi Hoshino | Art Direction |
| Hitoshi Mogi | Producer |
| Yasuo Kameyama | Producer |
| Masahiro Murakami | Special Effects |