Kosei Tomita

,Bakkubeaddo/Bugbear (voice),JMSDF Captain/Kamishima (voice),.....

Nana Yamaguchi

,Kyoko Hanazawa (voice),Neko Musume (voice)

Ichiro Nagai

Konaki Jijii/Kagami Jijii/Yamabiko (voice),Kagami Jijii (voice)

Masako Nozawa

Kitarou (voice)

Isamu Tanonaka

Medama Oyaji (voice)

Chikao Ohtsuka

Nezumi Otoko (voice)

Keiko Yamamoto

Youko Ohkushi

Sunakake baabaa (voice)

Yonehiko Kitagawa

Minister of Science (voice),Konaki Jijii (voice)

Akiko Tsuboi

Mrs. Yamada (voice)