To promote the film "Kamen Rider Wizard in Magic Land", Toei released a series of online webisodes, featuring several unbelievable stories. The Kamen Rider Cops films feature past Kamen Riders as part of Rinko's police force. The Kamen Rider Mage films feature Shunpei as the hero. The Search for Magic Riders! looks at past mystically-themed Kamen Riders. The Koyomi's Room: Premium films show Koyomi's various interests outside of helping Haruto.
| Actor | Role |
|---|---|
 Shunya ShiraishiHaruto Soma | Haruto Soma |
 Makoto OkunakaKoyomi | Koyomi |
 Junki TozukaShunpei Nara | Shunpei Nara |
 Yuko TakayamaRinko Daimon | Rinko Daimon |
 Tasuku NagaseKosuke Nitoh | Kosuke Nitoh |
 Ryo TayanoRyu (Donut Shop Worker) | Ryu (Donut Shop Worker) |
 Tetsu InadaKamen Rider 1 (voice) | Kamen Rider 1 (voice) |
 Takahiro FujimotoKamen Rider 2 (voice) | Kamen Rider 2 (voice) |
 Hirofumi TanakaKamen Rider V3 (voice) | Kamen Rider V3 (voice) |
 Tomokazu SekiKamen Rider Amazon / Kamen Rider Stronger / Great Leader of Shocker (voices) | Kamen Rider Amazon / Kamen Rider Stronger / Great Leader of Shocker (voices) |
 Keiji HiraiKamen Rider Kuuga / Khepri (voices) | Kamen Rider Kuuga / Khepri (voices) |
| YYusai NawadaRiderman | Riderman |
| FFumiya TôeiAmbassador Hell | Ambassador Hell |
 Hiroaki HirataNarrator | Narrator |
 Erina NakayamaMisa Inamori (Medusa), Mayu Inamori | Misa Inamori (Medusa), Mayu Inamori |
 Atsumi KannoYugo Fujita (Phoenix) | Yugo Fujita (Phoenix) |
 Takahisa MaeyamaSora Takigawa (Gremlin) | Sora Takigawa (Gremlin) |