土屋大輔

Takuya Kai / Blue Beet

金井茂

Daisaku Katagiri / G-Stag

Reina Hazuki

Rei Hayama / Reddle I

Takashi Sasano

Professor Kenzo Mukai

稲葉実

Narrator

渡部猛

Gaohm (voice)

高橋利道

Gigaro (voice)

Shigeru Chiba

Schwartz (voice)

Keiko Konno

Jera (voice)

真矢武

Drago