Destroy the Pollution Monster Hedron!

Tetsuo Narikawa

Joji Gamou

Kazuo Arai

Koji Ota/Wada

Machiko Konishi

Rie Endoh/Minnie

Sakurako Shin

Mineko Tachibana/Chieko

Taeko Sakurai

Hiromi Yanagida/Kimie

Takanobu Tohya

Hakase Gori/Dr.Gori

Koji Uenishi

Enjin Rah/Karas/Spectroman/Spectreman

Tohru Ohira

Chefe Kurata

Koji Ozaki

Toshio Arito/Ota

Takamitsu Watanabe

Shinkichi Kaga/Kato

Rumi Goto

Midori Sawa/Yumi

Kyoji Kobayashi

(voice)