In the Forest of Okoya, Koko is a feral child who has been raised as a Pokémon by the Mythical Pokémon Zarude. Koko has grown up never doubting that he is a Pokémon even though he can't really use any sort of moves. Ash Ketchum and Pikachu meet Koko and help him protect the Great Tree from the crooked scientist Dr. Zed.
| Satoshi (voice) | Rica Matsumoto |
| Pikachu (voice) | Ikue Otani |
| Coco (voice) | Moka Kamishiraishi |
| Musashi (voice) | Megumi Hayashibara |
| Kojiro (voice) | Shin-ichiro Miki |
| Nyarth (voice) | Inuko Inuyama |
| Zarude (voice) | Kantarô Nakamura |
| Karen (voice) | Shoko Nakagawa |
| Professor Zed (voice) | Koichi Yamadera |
Pokémon the Movie: Secrets of the Jungle on Wikipedia
Pokémon the Movie: Secrets of the Jungle on IMDb
