Hiroki Iijima as Emu 'M' Hojo / Kamen Rider Ex-Aid

Toshiki Seto as Hiiro Kagami / Kamen Rider Brave

Ukyo Matsumoto as Taiga Hanaya / Kamen Rider Snipe

Tetsuya Iwanaga as Kuroto Dan / Kamen Rider Genm

Ruka Matsuda as Asuna Karino / Poppy Pipopapo / Kamen Rider Poppy

Hayato Onozuka as Kiriya Kujou / Kamen Rider Lazer

Shouma Kai as Parado / Kamen Rider Para-DX

Reina Kurosaki as Nico Saiba

Miki Fujimoto as Akemi Hoshi

Noel Moriyama as Madoka Hoshi

Kuranoo Narumi as School Girl

Shohei Uno as Tsukuru Koboshi

Chiaki Kawamoto as Ginko Yumita

Nanami Ishimaru as Nurse

Tamio Sato as Anesthesiologist

Brother Tom as Johnny Maxima

Hanamaru Hakata as Haima Kagami

Yoshikuni Dôchin as Kagenari Nagumo / Kamen Rider Fuma

Atsuhiro Inukai as Kamen Rider Build (voice)

Hironobu Kageyama as Rider Gashat (voice) / Gashacon (voice)

Junichi Suwabe as Mighty Creator VRX Gashat (voice) / Gashacon Bugvisor II (voice) / Buggle Driver II (voice)