Uchuu Nanchara Kotetsu-kun

Natsumi Fujiwara

Kotetsu (voice)

ムロツヨシ

DAXA-kun (voice) / Narrator (voice)

Ayana Taketatsu

Hikaru (voice)

Kappei Yamaguchi

Jii-chan (voice)

玉木雅士

Lou (voice)

Junya Enoki

Niko (voice)

Akane Yamaguchi

Otama (voice)

Ayasa Ito

Michiko (voice)

Yutaka Aoyama

Principal (voice)

Tsuyoshi Koyama

Tobio (voice)