Season 1

Satoshi Hashimoto

Fire Convoy / Super Fire Convoy / God Fire Convoy (voice)

Yoichi Kobiyama

Gigatron / Devil Gigatron (voice)

Takashi Matsuyama

God Magnus (voice)

Masayuki Kiyama

Plasma / Brave Maximus (voice)

Chieko Higuchi

Ai / Junko (voice)

Masahiro Shibahara

Wild Ride (voice)

Takayuki Kondo

Mach Alert (voice)

Punch UFO

Speed Breaker (voice)

Eiji Takemoto

Artfire / J-Seven (voice)

Riki Kitazawa

Greejeeber / Wars (voice)

Ryou Naitou

Counter Arrow / Gusher (voice)

Hisashi Izumi

Daichi Onishi / J-Five / JRX (voice)

Naomi Matamura

J-Four (voice)

Jin Nishimura

Indy Heat (voice)

Masami Iwasaki

Build Cyclone / Wrecker Hook (voice)

Yuki Tamaki

Build Boy / Build King (voice)

Hiroki Takahashi

Build Hurricane / Gilthor (voice)

Yoshikazu Nagano

Build Typhoon (voice)

Norio Imamura

Gas Skunk (voice)

Konta

Gelshark (voice)