Ichiro Nagai
Konaki Jijii/Kagami Jijii/Yamabiko (voice), Kagami Jijii (voice)
Nana Yamaguchi
Kyoko Hanazawa (voice), Neko Musume (voice)
Kosei Tomita
Bakkubeaddo/Bugbear (voice), Kamaitachi/Village Elder (voice), Konaki Jijii (voice), JMSDF Captain (voice), Bakkubeaddo/Bugbear (voice), JMSDF Captain/Kamishima (voice)
Yonehiko Kitagawa
Minister of Science (voice), Konaki Jijii (voice)