Akiyama Rina
Naomi
Bijrol
Ishimaru Kenjiro
[Owner] | [Station master]
Bijrol
Matsumoto Wakana
Nogami Airi [Ryotaro's sister}
Bijrol
Nagata Akira
Ozaki Seigi
Bijrol
Ueno Ryo
Miura Isse
Bijrol
Takaiwa Seiji
Momotaros [Suit actor] | Kamen Rider Den-O [Suit actor]
Bijrol
Eitoku
Urataros [Suit actor]
Bijrol
Okamoto Jiro
Kintaros [Suit actor] | [Dojo owner] (Ep. 9, 35)
Bijrol
Ogura Toshihiro
Ryutaros [Suit actor] | Kamen Rider Den-O Gun Form [Suit actor] | [Jogging man] (Ep. 13) | Kato Hiroshi (Ep. 27)
Bijrol
Nagase Naoki
Seig [Suit actor]
Bijrol
Ito Makoto
Kamen Rider Zeronos [Suit actor]
Bijrol
Oshikawa Yoshifumi
Deneb [Suit actor] | Villain Imagins [Suit actor]
Bijrol
Maruyama Hiroyuki Bijrol

Tsukui Minami
[Daughter]
Gastrol
Okubo Hakobo
[Man in work clothes] (Ep. 1)
Gastrol
Ochiai Motoki
Tetsuo (Ep. 1-2)
Gastrol
Abe Ryohei
Oi (Ep. 3-4)
Gastrol
Namioka Kazuki
Yamagoshi Yu (Ep. 3-4)
Gastrol
Ujiie Megumi
[Head nurse] (Ep. 5)
Gastrol
Gotsuji Shingo
[Ambulance service member] (Ep. 5)
Gastrol
Ogoe Yuki
Saito Daiki (Ep. 5-6)
Gastrol
Tsuji Shinobu
[Daiki Saito's mother] (Ep. 5-6)
Gastrol
Kurihara Hitomi
Saito Yumi (Ep. 7-8)
Gastrol
Nanaeda Minoru
[Deputy director] (Ep. 9)
Gastrol
Uchino Kenta
Honjo Masaru (Ep. 9-10)
Gastrol
Yazaki Hiroshi
Kikuchi Shinji (Ep. 9-10)
Gastrol
Ono Asuka
Kobayashi Kasumi (Ep. 11-12)
Gastrol
Ikeda Narushi
Kobayashi Kensaku (Ep. 11-12)
Gastrol
Ueda Shun
Toyama Shuji (Ep. 13-14)
Gastrol
Kodama Norikatsu
Kasai Haruhiko (Ep. 15)
Gastrol
Oshiba Hayato
Hakamada Shujiro (Ep. 15-16)
Gastrol
Tanaka Sogen
Mogi Tomeji (Ep. 15-16)
Gastrol
Fuwa Mansaku
Higuchi Kosaku (Ep. 15-16)
Gastrol
Mitsushima Hikari
Sawada Yuka (Ep. 17-18, 33)
Gastrol
Sunami Noriko
[Yuka's mother] (Ep. 17)
Gastrol
Mitsumizo Koji
[Worker] (Ep. 19)
Gastrol
Shoji Yusuke
Tanaka (Ep. 21-22)
Gastrol
Matsuzawa Hiroaki
Iijima (Ep. 21-22)
Gastrol
Muro Tsuyoshi
Masuda Akio (Ep. 23-24)
Gastrol
Tamura Kei
[Police officer] (Ep. 23-24)
Gastrol
Yamanaka Takashi
[Detective] (Ep. 24)
Gastrol
Namiki Shiro
[Detective] (Ep. 24)
Gastrol
Yamamoto Kohei
Aoki Masashi (Ep. 25-26)
Gastrol
Kimura Manatsu
Aoki Mayu [Child] (Ep. 26)
Gastrol
Sato Masahiro
Shimoyama (Ep. 29)
Gastrol
Sugawara Takuma
Machida (Ep. 29)
Gastrol
Hayashi Tsuyoshi
Terasaki Toru (Ep. 30)
Gastrol
Taguchi Kazumasa
[Craftsman] (Ep. 30)
Gastrol
Imai Yasuhiko
[Contractor] (Ep. 31-32)
Gastrol
Aoki Shinsuke
Fujishiro Yuya (Ep. 31-32)
Gastrol
Suwa Taro
[Piano man] (Ep. 33-34)
Gastrol
Ozeki Shinji
Okumura Yuki (Ep. 33-34)
Gastrol
Furuya Yoichi
Yamaguchi (Ep. 35)
Gastrol
Shinkai Fuminori
[Singing contest tournament moderator] (Ep. 35)
Gastrol
Ishiguro Hideo
Kai (Ep. 37-49)
Gastrol
Takahashi Kosuke
[Contract holder] (Ep. 39)
Gastrol
Abe Katsunori
[Yuto's teacher when he was a student] (Ep. 39)
Gastrol
Ono Ryou
[Clock store owner] (Ep. 45)
Gastrol

Seki Toshihiko
Momotaros / Kamen Rider Den-O [Sword form]
Voice Actor
Yusa Koji
Urataros / Kamen Rider Den-O [Rod form] | Newt Imagin (Ep. 40)
Voice Actor
Terasoma Masaki
Kintaros / Kamen Rider Den-O [Ax form]
Voice Actor
Suzumura Kenichi
Ryutaros / Kamen Rider Den-O [Gun form] | Gecko Imagin
Voice Actor
Otsuka Yoshitada
Deneb / Kamen Rider Zeronos [Vega form]
Voice Actor
Miki Shin-ichiro
Sieg / Kamen Rider Den-O [Wing form]
Voice Actor
Yanada Kiyoyuki
Bat Imagin (Ep. 1-2)
Voice Actor
Nishi Rintarou
Crow Imagin (Ep. 7-8)
Voice Actor
Koyama Tsuyoshi
Rhino Imagin (Ep. 9-10)
Voice Actor
Kuroda Takaya
Owl Imagin (Ep. 13-14) | Albino Leo Imagin (Ep. 44-46)
Voice Actor
Hiyama Nobuyuki
Wolf Imagin (Ep. 17-18)
Voice Actor
Nakao Ryuusei
Jelly Imagin (Ep. 19-20)
Voice Actor
Tokuyama Hidenori
Molech Imagin (Ep. 27)
Voice Actor
Kousuke Toriumi
Anthopper Imagin (Ep. 31-32)
Voice Actor
Inada Tetsu
Kraken Imagin (Ep. 35-36)
Voice Actor
Yamaji Kazuhiro
Leo Imagin (Ep. 37-38)
Voice Actor
Takagi Wataru
Armadillo Majin (Ep. 43-44)
Voice Actor
Tobita Nobuo
Bloodsucker Imagin (Ep. 27-28)
Voice Actor
Okawa Toru
Snowman Imagin (Ep. 45)
Voice Actor
Canna Nobutoshi
Scorpion Imagin (Ep. 23-24)
Voice Actor
Kashii Shoto
Wasp Imagin (Ep. 29)
Voice Actor
Tsuda Kenjiro
Oct Imagin (Ep. 41-42)
Voice Actor
Toshitsugu Takashina
Rabbit Imagin (Ep. 31)
Voice Actor
Kosuke Toriumi
Anthopper Imagin Ari
Voice Actor
Ochiai Koji
Tortoise Imagin (Ep. 21-22) | Pandarabbit Imagin (Ep. 39)
Voice Actor
Sakaguchi Koichi
Claw-Hand Mole Imagin (Ep. 35-36, 47-49)
Voice Actor
Kirii Daisuke
Mole Imagin (Ep. 35-36, 47-49)
Voice Actor
Tadano Yohei
Whale Imagin (Ep. 15-16)
Voice Actor
Tsukui Kyosei
Crust Imagin (Ep. 5-6)
Voice Actor
Yanaka Hiroshi
Death Imagin (Ep. 48-49)
Voice Actor
Suzuki Chihiro
Spider Imagin (Ep. 25-26)
Voice Actor
Hoshino Mitsuaki
Bluebird Imagin (Ep. 30)
Voice Actor