With the help of a six-inch-tall ancient samurai warrior, a lonely young environmentalist finds self-confidence and new companionship in protecting Japan's beautiful naturality from human mismanagement.
| Actor | Role |
|---|---|
 Tsutomu YamazakiSutonahiko Suminoe | Sutonahiko Suminoe |
| RRyou YoshidaSatoru Kusubayashi | Satoru Kusubayashi |
 Ayumi ItoChizuko Kusubayashi | Chizuko Kusubayashi |
 Tomoyo HaradaYuki Murata | Yuki Murata |
 Jun FubukiYuuko Kusubayashi | Yuuko Kusubayashi |
 Ittoku KishibeFumihiro Kusubayashi | Fumihiro Kusubayashi |
 Ishirō HondaGrandfather | Grandfather |
 Kikunosuke Onoe VNot listed | Not listed |
| UUshinosuke OnoeNot listed | Not listed |
 Toshie NegishiNot listed | Not listed |
 BengalNot listed | Not listed |
 Toru MinegishiNot listed | Not listed |
 Toshinori OmiNot listed | Not listed |