Yuma Ishigaki as Geki Jumonji / Space Sheriff Gavan Type-G

Kenji Ohba as Retsu Ichijôji / Space Sheriff Gavan

Yukari Taki as Itsuki Kawai

Takuya Nagaoka as Toya Okuma / Brighton

Suzuka Morita as Shelly

Toshiaki Nishizawa as Commander Qom

Honoka as Eleena

Riki Miura as Kai Hyuga / Space Sheriff Sharivan

Hiroaki Iwanaga as Shu Karasuma / Space Sheriff Shaider

Sanae Hitomi as Witch Kill

Ijirî Okada as SARD Section Chief Iwamoto

Tomokazu Seki as Lizard Doubler (voice)

Shozo Iizuka as Don Horror (voice)

Kiyoshi Kobayashi as Narrator

Dai Matsumoto as Zan Vardo (voice)

Keisuke Nakamura as Young Geki

Haruka Koizumi as Young Itsuki

Haruto Yoshida as Young Toya