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

Minoru İnaba

Narrator

Takeşi Vatabe

Gaohm (voice)

高橋利道

Gigaro (voice)

Şigeru Çiba

Schwartz (voice)