Guest Stars
editBeing the 35th year of the Kamen Rider franchise, Kabuto has had its fair share of Kamen Rider and Tokusatsu alumi:
| Actor/Actress | Previous Show | Previous Character | Guest Star | Notes |
|---|---|---|---|---|
| Tomohisa Yuge | Kamen Rider Ryuki | Goro Yura | Masato Mishima | Second role as a Kamen Rider in a separate series |
| Masato Uchiyama | Kamen Rider 555, Ultraman Nexus | Yoshio Kobayashi, Ren Senju | Shun Kageyama | Played both a Kamen Rider and an Ultraman |
| Hirotarou Honda | Kamen Rider the First, Ultraman Nexus | Riku Kagami, TLT commander | Riku Kagami | His role in The First may have been the same character |
| Kohei Murakami | Kamen Rider 555 | Kamen Rider Kaixa | IT President Uemura | Brief appearance in episode 3 |
| Mika Kikuchi | Tokusou Sentai Dekaranger | Koume "Umeko" Kodou | Yuki Tamai | Brief appearance in episode 3 as Lampyrisworm |
| Atsushi Ogawa | Kamen Rider Agito, Kamen Rider 555. | Tetsuya Sawaki, Masahiko Minami | Shogo Azuma | Extended appearance in episodes 5-6 as Pulexworm |
| Masaya Kikawada | Kamen Rider the First | Takeshi Hongo | Takeshi Hongo | Appeared in character as Hongo, rode his New Cyclone |
| Kenzaburo Kikuchi | Kamen Rider Ryuki | Shiro Kanzaki | Koji Iguchi | Brief appearance in episode 14 as Albinoworm |
| Hitomi Miwa | Ninpu Sentai Hurricanger | Lady Gozen | Rena Mamiya | Main executive Worm until death in episode 40 |
| Shinnosuke Abe | Chouseishin Gransazer | Logia | Ichiro Ikesu | Extended appearance in episodes 29-30 as Culexworm |
| Kasumi Suzuki | Bakuryuu Sentai Abaranger | Rije/Lije | Keiko Kobayashi | Extended appearance in episodes 37-38 as Salis |