- Yûma Ishigaki
- Geki Jumonji / Space Sheriff Gavan Type-G
- Kenji Ôba
- Retsu Ichijôji / Space Sheriff Gavan (as Kenji Ohba)
- Yukari Taki
- Itsuki Kawai
- Takuya Nagaoka
- Toya Okuma / Brighton
- Suzuka Morita
- Shelly
- Toshiaki Nishizawa
- Commander Qom
- Ai Shimomura
- Eleena
- Riki Miura
- Kai Hyuga / Space Sheriff Sharivan
- Hiroaki Iwanaga
- Shu Karasuma / Space Sheriff Shaider
- Sanae Hitomi
- Witch Kill
- Ijirî Okada
- SARD Section Chief Iwamoto
- Tomokazu Seki
- Lizard Doubler
- Dai Matsumoto
- Zan Vardo
- Shôzô Îzuka
- Don Horror
- Kiyoshi Kobayashi
- Narrator
- Haruto Yoshida
- Toya Okuma (young)
