Tsukasa travels to his home world of the World of Decade, where he discovers the origin of his powers and his true heritage as the leader of Dai-Shocker. The film features all ten of the lead Heisei Kamen Riders, as well as all of the Shōwa period Kamen Riders, leading to a total of 25 Riders.
Cast
Masahiro Inoue
Tsukasa Kadoya / Kamen Rider Decade
Ryouta Murai
Yusuke Onodera / Kamen Rider Kuuga
Kanna Mori
Natsumi Hikari
Kimito Totani
Daiki Kaito / Kamen Rider Diend
Renji Ishibashi
Eijiro Hikari / Doctor Shinigami
Tatsuhito Okuda
Narutaki
Moe Arai
Sayo Kadoya
Ryuichi Ohura
Nobuhiko Tsukikage / Shadow Moon
Gackt
Jôji Yûki
Tetsuo Kurata
Kotaro Minami / Kamen Rider Black / Kamen Rider Black RX
Toshiki Kashû
Shouichi Tsugami / Kamen Rider Agito
Riku Ichikawa
Young Tsukasa Kadoya
Momoka Ishii
Young Sayo Kadoya
Ren Osugi
Ambassador Hell
Seizo Kato
General Jark (voice)
Tetsu Inada
Kamen Rider 1 (voice)
Takahiro Fujimoto
Kamen Rider 2 (voice)
Hirofumi Tanaka
Kamen Rider V3 (voice)
Kenichi Suzumura
Kamen Rider X (voice), Garagaranda (voice)
Tomokazu Seki
Kamen Rider Amazon (voice), Ikadevil (voice)
Kouta Nemoto
Kamen Rider Super-1 (voice), Kamen Rider J (voice)
Toshihiko Seki
Momotaros / Kamen Rider Den-O (voice)
Takashi Hagino
Kamen Rider Ouja (voice)
Hidenori Tokuyama
Kamen Rider KickHopper (voice)
Renn Kiriyama
Shotaro Hidari / Kamen Rider Double (voice)
Masaki Suda
Philip / Kamen Rider Double (voice)
Miyuki Sawashiro
Kiva-la (voice)
Masahiro Yoshino
Kamen Rider ZX (voice)
Yoshimasa Tanno
Kamen Rider Ixa (voice), Shocker Combatmen (voice)
Toru Itakura
Skyrider (voice), Kamen Riders, Dai-Shocker members (voice)
Yuki Anai
Kamen Rider Blade (voice), Riders, Dai-Shocker members (voice)
Mark Okita
Tournament Announcer, Decadriver, Diendriver, K-Touch (voice)
Fumihiko Tachiki
Gaia Memory (voice)
Tōru Ōmura
Other Kamen Riders (voice), Other Dai-Shocker members (voice)
SATOSHI
Other Kamen Riders (voice), Other Dai-Shocker members (voice)
Katsuyuki Konishi
Other Kamen Riders (voice), Other Dai-Shocker members (voice)
谷口洋行
Unknown
Crew
Osamu Kaneda
Director
Shouji Yonemura
Screenplay
Hiroshi Sunaga
Editor
Masao Inokuma
Director of Photography
Noboru Sugiyama
Executive Producer
Shin-ichiro Shirakura
Producer
Naomi Takebe
Producer
Kenichi Wasano
Producer
Atsushi Kaji
Producer
Takeyuki Suzuki
Producer
Keiji Kameyama
Producer
Hiroshi Takahashi
Producer
Ryoji Wakui
Sound
Hiroshi Butsuda
Special Effects Supervisor
Kotaro Nakagawa
Music
Shuhei Naruse
Music
Yutaka Izubuchi
Creature Design
Tsuyoshi Miyazaki
Action Director
Dango Takeda
Character Designer
Keita Amemiya
Character Designer
Masato Hayase
Character Designer
Gackt
Theme Song Performance
Shuichi Oshima
Art Direction
