It tells the story of Rock, a puppy whose mother is killed by a tiger and a fox. To fulfill his revenge, will achieve together a large number of animals. An animated collaboration between Osamu Tezuka and Toei Animation.
| Art | Eiji Itoh | Background Designer |
| Visual Effects | Hayao Miyazaki | Animation |
| Writing | Daisaku Shirakawa | Screenplay |
| Visual Effects | Reiko Okuyama | Animation |
| Visual Effects | Akira Daikubara | Key Animation |
| Directing | Daisaku Shirakawa | Director |
| Writing | Kei Iijima | Writer |
| Writing | Daisaku Shirakawa | Writer |
| Visual Effects | Masao Kumagawa | Key Animation |
| Visual Effects | Yasuji Mori | Key Animation |
| Visual Effects | Yōichi Kotabe | Animation |
| Visual Effects | Norio Hikone | Animation |
| Visual Effects | Chikao Katsui | Animation |
| Visual Effects | Masatake Kita | Animation |
| Visual Effects | Daikichirou Kusube | Animation |
