The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems…
as Kouta Kazuraba / Kamen Rider Gaim
as Takeshi Hongo / Kamen Rider #1
as Ren Aoi / Kamen Rider Fifteen
as Tsukasa Kadoya / Kamen Rider Decade
as Takumi Inui / Kamen Rider Faiz, Riderman (voice)
as Shotaro Hidari / Kamen Rider Joker / Kamen Rider Double
as Kaito Kumon / Kamen Rider Baron
as Mitsuzane Kureshima / Kamen Rider Ryugen
as Takatora Kureshima / Kamen Rider Zangetsu Shin, Shin (voice)
as Mai Takatsukasa
as Kiyojiro Bando
as Iyo
as Haruto Soma / Kamen Rider Wizard
as Masato Kusaka / Kamen Rider Kaixa
as Ryo Murasame / Kamen Rider ZX / Ambassador Darkness (voice)
as Keisuke Jin / Kamen Rider X
as Right Suzuki / ToQ #1
as Haru "Tokatti" Tokashiki / ToQ #2
as Mio Natsume / ToQ #3
as Hikari Nonomura / ToQ #4
as Kagura Izumi / ToQ #5
as Daigo Kiryu / Kyoryu Red
as Shuu Aoi
as Saki Aoi
as Sengoku Driver Equipment Voice
as Dragvisor (voice)
as Faiz Driver (voice)
as Blay Rouzer (voice)
as Kabuto Zecter (voice)
as Kamen Rider Den-O Sword Form (voice)
as Narutaki
as Decadriver (voice)
as Gaia Memory (voice)
as O Scanner (voice)
as ToQger Equipment Voice
as General Schwarz (voice)
as Kyoryuger Equipment Voice
as Mari
as Worker
as Worker
as Bleeding thug
as Bleeding man
as Additional Voices
as Additional Voices
as Badan Leader (voice), Additional Voices
as Additional Voices
as Additional Voices
as Additional Voices
