Yuto Uemura. Yuto Uemura was 8 in Bonobono: Secret of the Kumomo Tree as 'Bonobono'.
Konami Yoshida. Konami Yoshida was 35 in Bonobono: Secret of the Kumomo Tree as 'Shimarisu-kun'.
Kappei Yamaguchi. Kappei Yamaguchi was 37 in Bonobono: Secret of the Kumomo Tree as 'Araiguma-kun'.
Etsuko Kozakura. Etsuko Kozakura was 31 in Bonobono: Secret of the Kumomo Tree as 'Bobo-kun'.
Masashi Sugawara. Masashi Sugawara was 40 in Bonobono: Secret of the Kumomo Tree as 'Bobo-kun's father'.
Sumi Shimamoto. Sumi Shimamoto was 47 in Bonobono: Secret of the Kumomo Tree as 'Bobo-kun's mother'.Yōko Michihira. Yōko Michihira was >> in Bonobono: Secret of the Kumomo Tree as 'Kuzuri-kun'.
Cho. Cho was 44 in Bonobono: Secret of the Kumomo Tree as 'Kuzuri-kun's father'.
Leo Morimoto. Leo Morimoto was 59 in Bonobono: Secret of the Kumomo Tree as 'Sunadorineko-san'.Danshi Tatekawa. Danshi Tatekawa was 66 in Bonobono: Secret of the Kumomo Tree as 'Araiguma-kun's father'.Kōki Kumagai. Kōki Kumagai was >> in Bonobono: Secret of the Kumomo Tree as 'Writer, Director'Mikio Igarashi. Mikio Igarashi was >> in Bonobono: Secret of the Kumomo Tree as 'Writer, Comic Book'Akihiro Ito. Akihiro Ito was >> in Bonobono: Secret of the Kumomo Tree as 'Producer'Gontiti. Gontiti was >> in Bonobono: Secret of the Kumomo Tree as 'Original Music Composer'