Fukushi Sota
Kisaragi Gentaro / Kamen Rider Fourze
Main Role
Takahashi Ryuki
Kengo Utahoshi
Main Role
Sengen Yoshiko
Joujima Yuuki/Dark Yuuki
Main Role
Yoshizawa Ryo
Sakuta Ryusei / Kamen Rider Meteor
Main Role
Sakata Rikako
Kazashiro Miu
Main Role
Tomimori Justin
Shun Daimonji
Main Role
Shiho
Nozama Tomoko
Main Role
Tsuchiya Shion
JK
Main Role

Tanaka Takushi
Osugi Chuta
Support Role
Tsurumi Shingo
Gamo Mitsuaki
Support Role
Konan Yuka
Sonoda Sarina
Support Role
Amano Hironari
Hayami Kohei
Support Role
Yamazaki Hajime
Emoto Kuniteru
Support Role
Yokoyama Kazutoshi
Tatsugami Kou | Leo Zodiarts [Suit actor]
Support Role
Tamoto Soran
Kijima Natsuji
Support Role
Takaiwa Seiji
Kamen Rider Fourze [Suit actor]
Support Role
Eitoku
Kamen Rider Meteor [Suit actor] | Cancer Zodiarts [Sub]
Support Role
Watanabe Jun
Libra Zodiarts [Suit actor] | Capricorn Zodiarts [Suit actor] | Scorpion Zodiarts [Suit actor] | Sagittarius Zodiarts [Suit actor] | Sagittarius Nova [Suit actor] | Tachibana [Suit actor]
Support Role
Yokota Ryo
Leo Zodiarts [Suit actor]
Support Role
Fujita Satoshi
Virgo Zodiarts [Suit actor] | Aquarius Zodiarts [Suit actor] | Gemini Zodiarts [Suit actor] | Chameleon Zodiarts [Suit actor] | Coma Zodiarts [Suit actor] | Musca Zodiarts [Suit actor]
Support Role
Fujii Yugo
Pegasus Zodiarts [Suit actor] | Cancer Zodiarts [Suit actor] | Orion Zodiarts [Suit actor] | Unicorn Zodiarts [Suit actor] | Lynx Zodiarts [Suit actor] | Dragon Zodiarts [Suit actor]
Support Role
Takada Masashi
Orion Zodiarts [Suit actor] | Hound Zodiarts [Suit actor] | Pisces Zodiarts [Suit actor]
Support Role
Kaneko Tatsuya
Taurus Zodiarts [Suit actor]
Support Role
Asai Kosuke
Kamen Rider Fourze [Sub]
Support Role

Kasuga Kanon
Joujima Yuuki [Young] (Ep. 1, 43-44)
Guest Role
Kuroishi Takahiro
Ban Chosuke (Ep. 2-3, 7, 39)
Guest Role
Saikawa Koji
Nishikawa Tsukasa (Ep. 3-4)
Guest Role
Tachibana Yukari
Hirota Reiko (Ep. 3, 7-8, 12)
Guest Role
Uji Kiyotaka
Nitta Fumihiro / Unicorn Zodiarts [Voice] (Ep. 5-6)
Guest Role
Natsuki Yui
[High school girl] (Ep. 5-6, 12)
Guest Role
Jinbo Satoshi
Satake Takashi (Ep. 7-8, 48)
Guest Role
Sato Ryuji
Satake Teruhiko / Hound Zodiarts [Voice] (Ep. 7-8)
Guest Role
Suzuki Fumina
[Swimming Club Girls] (Ep. 9)
Guest Role
Kanzaki Hajime
Nagoya Yuji (Ep. 9)
Guest Role
Kajiwara Hikari
Usaka Ritsuko / Altar Zodiarts [Voice] (Ep. 9-10, 25-26)
Guest Role
Imamura Miho
Kuramochi Yuri (Ep. 9-10)
Guest Role
Suzuki Maika
Okamura Masami (Ep. 9-10)
Guest Role
Morota Satoshi
Mr. Morota [Professor] (Ep. 9, 48)
Guest Role
Shinohe Keiko
Nozama Haruko [Tomoko's mother] (Ep. 10)
Guest Role
Shinohara Takafumi
Makise Hiroki (Ep. 11-12, 37)
Guest Role
Ishibashi Natsumi
Yamamoto Mari (Ep. 13-14)
Guest Role
Takasaki Kayo
[Toshiya's mother] (Ep. 13)
Guest Role
Akimoto Ryutaro
Motoyama Soshi / Perseus Zodiarts [Voice] (Ep. 15-16)
Guest Role
Tanabe Tokimasa
Abe Junta (Ep. 15-16)
Guest Role
Nishi Yosuke
Katagiri Taira (Ep. 15-16)
Guest Role
Nishimoto Haruki
[Kindergarten student] (Ep. 15)
Guest Role
Yokohama Ryusei
Iseki Jiro (Ep. 17-18, 20, 28-29, 32)
Guest Role
Shiraishi Tadashi
[Detective] (Ep. 20)
Guest Role
Nagasawa Nao
Utsugi Haruka (Ep. 21-22, 48)
Guest Role
Kai Shouma
[Coach] (Ep. 21-22)
Guest Role
Nakamura Koji
[Man at kickboxing gym] (Ep. 21-22)
Guest Role
Nagashima Shugo
Eguchi Norio [Cygnus Zodiarts's human form] (Ep. 23-24)
Guest Role
Suzuki Kasumi
Tokuda Yayoi / Coma Zodiarts [Voice] (Ep. 25-26)
Guest Role
Yana Nobuo
Kisaragi Goro (Ep. 27, 44)
Guest Role
Kawahara Kazuma
Tatsuomi Yamada / Aries Zodiarts (Ep. 30)
Guest Role
Kodama Moka
[Student] (Ep. 30)
Guest Role
Momose Saku
[Senior student] (Ep. 30)
Guest Role
Natsui Runa
Shirakawa Mei (Ep. 30-32)
Guest Role
Shimegi Enoku
Kariya (Ep. 30-32)
Guest Role
Ami 201
[Club leader] (Ep. 31)
Guest Role
Akizuki Mika
Takamura Yukina (Ep. 33-34)
Guest Role
Kazama Toru
Utahoshi Rokuro (Ep. 33-34, 45, 47)
Guest Role
Yamada Aya
Chiko (Ep. 35)
Guest Role
Kawamura Ryosuke
Goto Tojiro (Ep. 35-36)
Guest Role
Murakami Honoka
Otokawa Mina (Ep. 35-36)
Guest Role
Kido Airi
Koda Suzumi (Ep. 35-36)
Guest Role
Shimizu Seigi
Jingu Keizo (Ep. 36)
Guest Role
Tachibana Karin
[Broadcast club member] (Ep. 36)
Guest Role
Takizawa Karen
Suda Erine (Ep. 37-38)
Guest Role
Nakamura Aya
Hinata Chinatsu (Ep. 37-38)
Guest Role
Eda Yuka
Mibu Ayaka (Ep. 39-40)
Guest Role
Maeda Seira
Oki Shoko (Ep. 39-40)
Guest Role
Sakaguchi Ryotaro
Yawa Keisuke (Ep. 39-40)
Guest Role
Kamio Yu
[Yuuki's father] (Ep. 43-44)
Guest Role
Ishikawa Tatsuki
Kisaragi Gentaro [Child] (Ep. 44)
Guest Role
Shiraishi Shunya
Soma Haruto / Kamen Rider Wizard
Guest Role
Mizuno Masanori
Toshiya Miura (Ep. 1-2, 13-14)
Guest Role