Renn Kiriyama as Shotaro Hidari / Kamen Rider W

Masaki Suda as Philip / Kamen Rider W

Minehiro Kinomoto as Ryu Terui / Kamen Rider Accel

Koji Kikkawa as Sokichi Narumi / Kamen Rider Skull

Fumihiko Tachiki as Gaia Memory / Kamen Rider Core (voice)

Shu Watanabe as Eiji Hino / Kamen Rider OOO

Shingo Nakagawa as Shun Makura

Hikaru Yamamoto as Akiko Narumi

Takeshi Nadagi as Mikio Jinno

Nasubi as Watcherman

Zennosuke Fukkin as Santa-chan

Tomomi Itano as Queen

Tomomi Kasai as Elizabeth

Kazuyoshi Ozawa as Sam / Isamu Bito

Shiro Tsubuyaki as Stone

Ryosuke Miura as Ankh

Riho Takada as Hina Izumi

Kengo Ohkuchi as Nobunaga

Takashi Ukaji as Kousei Kougami

Asaya Kimijima as Shintaro Goto / Kamen Rider Birth

Mayuko Arisue as Erika Satonaka

Yū Kamio as Kiyoto Maki

Marie Kai as Chiyoko Shiraishi

Yusuke Yamada as Uva (voice)

Taito Hashimoto as Kazari (voice)

Hiroyuki Matsumoto as Gamel (voice)

Yukana as Mezool (voice)

Sayoko as Yoshino Akechi

Yoshimitsu Shimoyama as Male Pteranodon Yummy

Ami Michizoe as Female Pteranodon Yummy

Keiko Sakai as Armored Warrior Inhumanoid (voice)

Kenji Hamada as Giru / Kyoryu Greeed (voice)

Akira Kushida as O Scanner (voice)

Jouji Nakata as Birth Driver (voice)

Masayuki Itô as President of Future Soft

Teruaki Ogawa as Employee of Future Soft

Koji Ise as Gen-san

Yuka Motohashi as Naomi

Satoshi Morota as Commercial Director

Naoko Kouda as Shroud (voice)

Taro Yamamoto as Matsu (Seiichiro Matsui) / Spider Dopant

Reon Kadena as Eren Komori / Bat Dopant

Kenta Satoi as Kozo Yaguchi

Wakaba Nakano as Kozo Yaguchi's wife

Saho Ueda as Young Akiko Narumi

Kashima Riku as Young Shotaro Hidari

Emiri Yagi as Young Marina Tsumura