On screen
Cast
11 credited performers
Artwork unavailable
Tatsume Shiutaro
Ryusaku Hata/ National Kid (episodes 23-39)
Artwork unavailable
Shika Saito
Dr. Mizuno
Artwork unavailable
Taku Fukushima
Thiako
Artwork unavailable
Hideya Kimura
Goro
Artwork unavailable
Toru Shimizu
Kurazo
Artwork unavailable
Midori Okada
Yukio
Kazuo Hara
Tomohiro
Isamu Yamaguchi
Dr. Yamada
Ichirô Kojima
Ryusaku Hata/ National Kid (episodes 1-22)
Kiwako Taichi
Taeko Shimura/Naoko Obata
Chiyoko Honma
Tsuneko Yamada