Gowan-Gowan's Dain-Dain! Jūken Giant, Kenzan

Hiroki Suzuki

Jan Kandou / Geki Red

Mina Fukui

Ran Uzaki / Geki Yellow

Manpei Takagi

Retsu Fukami / Geki Blue

Riki Miura

Gou Fukami / Geki Violet

Sôtarô

Ken Hisatsu / Geki Chopper

Hirofumi Araki

Rio

Yuka Hirata

Mele

Ichiro Nagai

Xia Fu (Voice)

Kazue Itō

Miki Masaki

Sakina Kuwae

Natsume Masaki

Naoki Kawano

Long

Akira Ishida

Bae (Voice)

Yu Mizushima

Elehung Kam Po (Voice)

Shuichi Ikeda

Bat Li (Voice)

Hiroya Ishimaru

Sharkie Chan (Voice)

Shoma Kai

Bruce Ee (voice)