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