Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

Shinji Nakaeas Narrator (voice)
Kanna Morias Natsumi Hikari
Hiroaki Murakamias Hiroshi Tsukuba / Skyrider
Hidekazu Chinenas Shoma / Kamen Rider Gavv
Renji Ishibashias Eijiro Hikari
Yusuke Hinoas Hanto Karakida / Kamen Rider Valen
Shinzō Hottaas General Monster / Yamorijin
Toshiki Inoue
Yuya Takahashi
Yasuko Kobayashi
Masaru Igami
Riku Sanjou
Keiichi Hasegawa
Takuro Fukuda
Tsuyoshi Kida
Shogo Muto
Gen Urobuchi
Naruhisa Arakawa
Kento Shimoyama
Hiroki Uchida
Kazuki Nakashima
Nobuhiro Mouri
Sho Aikawa
Takashi Ezure
Junichi Miyashita
Akiko Inoue
Masaya Kakehi
Katsuhiko Taguchi
Tōru Hirayama
Fumio Ishimori
Takao Nagaishi
Shozo Uehara
Daisuke Ishibashi
Makoto Naito
Kenji Konuta
Minato Takano
Minoru Yamada
Shotaro Ishinomori
Hidenori Ishida
Takaya Yamaguchi
Toshihiko Sahashi
Go Sakabe
Kotaro Nakagawa
Kenji Kawai