Atsuhiro Inukai as Sento Kiryuu / Kamen Rider Build

Hiroki Iijima as Emu "M" Houjou / Kamen Rider Ex-Aid

Shu Watanabe as Eiji Hino / Kamen Rider OOO

Sota Fukushi as Gentarou Kisaragi / Kamen Rider Fourze

Gaku Sano as Kouta Kazuraba / Kamen Rider Gaim

Shun Nishime as Takeru Tenkuuji / Kamen Rider Ghost

Eiji Akaso as Ryuuga Banjou / Kamen Rider Cross-Z

Kaho Takada as Misora Isurugi

Toshiki Seto as Hiiro Kagami / Kamen Rider Brave

Ukyo Matsumoto as Taiga Hanaya / Kamen Rider Snipe

Tetsuya Iwanaga as Dan Kuroto / Kamen Rider Genm

Ruka Matsuda as Asuna Karino / Poppy Pipopapo

Hayato Onozuka as Kiriya Kujou / Kamen Rider Lazer

Reina Kurosaki as Nico Saiba

Shouma Kai as Parado

Shion Tsuchiya as JK

Takayuki Yanagi as Onari Yamanouchi

Yukari Taki as Sawa Takigawa

Yukiaki Kiyama as Takumi Katsuragi

Danshi Ochanomizu as Justaway Shiihashi

Ryosuke Miura as Ankh

Takushi Tanaka as Chuta Ohsugi

Kensei Mikami as Gentoku Himuro

Yasuyuki Maekawa as Souichi Isurugi

Kenji Ohtsuki as Kaisei Mogami · Kaiser / Kaisei Mogami · Kaiser Reverse / Bikaiser (voice)

Tomokazu Seki as Musashi Ghost (voice) / Nobunaga Ghost (voice) / Grim Ghost (voice)

Kouhei Takeda as Kamen Rider Grease (voice)

Katsuya Kobayashi as Build Driver (voice)