Daisuke Tsuchiya
Takuya Kai / Blue Beet
Shigeru Kanai
Daisaku Katagiri / G-Stag
Reina Hazuki
Rei Hayama / Reddle I
Takashi Sasano
Professor Kenzo Mukai
Minoru Inaba
Narrator
Takeshi Watabe
Gaohm (voice)
Toshimichi Takahashi
Gigaro (voice)
Shigeru Chiba
Schwartz (voice)
Keiko Konno
Jera (voice)
Takeshi Maya
Drago
