Kamen Riders Build and Ex-Aid team up with the legendary heroes of the Heisei Generation - OOO, Fourze, Gaim, and Ghost.
Sento Kiryuu / Kamen Rider Build
Atsuhiro Inukai
Emu "M" Houjou / Kamen Rider Ex-Aid
Hiroki Iijima
Eiji Hino / Kamen Rider OOO
Shu Watanabe
Gentarou Kisaragi / Kamen Rider Fourze
Sota Fukushi
Kouta Kazuraba / Kamen Rider Gaim
Gaku Sano
Takeru Tenkuuji / Kamen Rider Ghost
Shun Nishime
Ryuuga Banjou / Kamen Rider Cross-Z
Eiji Akaso
Misora Isurugi
Kaho Takada
Hiiro Kagami / Kamen Rider Brave
Toshiki Seto
Taiga Hanaya / Kamen Rider Snipe
Ukyo Matsumoto
Dan Kuroto / Kamen Rider Genm
Tetsuya Iwanaga
Asuna Karino / Poppy Pipopapo
Ruka Matsuda
Kiriya Kujou / Kamen Rider Lazer
Hayato Onozuka
Nico Saiba
Reina Kurosaki
Parado
Shouma Kai
JK
Shion Tsuchiya
Onari Yamanouchi
Takayuki Yanagi
Sawa Takigawa
Yukari Taki
Takumi Katsuragi
Yukiaki Kiyama
Justaway Shiihashi
Danshi Ochanomizu
Ankh
Ryosuke Miura
Chuta Ohsugi
Takushi Tanaka
Gentoku Himuro
Kensei Mikami
Souichi Isurugi
Yasuyuki Maekawa
Kaisei Mogami · Kaiser / Kaisei Mogami · Kaiser Reverse / Bikaiser (voice)
Kenji Ohtsuki
Musashi Ghost (voice) / Nobunaga Ghost (voice) / Grim Ghost (voice)
Tomokazu Seki
Kamen Rider Grease (voice)
Kouhei Takeda
Build Driver (voice)
Katsuya Kobayashi
Mezool (voice)
Ayaka Maekawa