Rica Matsumoto as Satoshi (voice)

Ikue Otani as Pikachu (voice)

Mayumi Izuka as Kasumi (voice)

Satomi Korogi as Togepy (voice)

Yuji Ueda as Takeshi (voice)

Megumi Hayashibara as Musashi (voice)

Shin-ichiro Miki as Kojirō (voice)

Inuko Inuyama as Nyarth (voice)

Ayako Shiraishi as Joy (voice)

Chinami Nishimura as Junsar (voice)

Hirotaka Suzuoki as Sakaki (voice)

Unsho Ishizuka as Narrator (voice)

Masachika Ichimura as Mewtwo (voice)

Koichi Yamadera as Mew (voice)

Toru Furuya as Sorao (voice)

Aiko Sato as Sweet (voice)

Wataru Takagi as Umio (voice)

Raymond Johnson as Raymond (voice)

Sachiko Kobayashi as Voyager (voice)

Yosuke Akimoto as Dr. Fuji (voice)

Shinobu Adachi as Dr. Fuji's Wife (voice)