- Ryuga Sato as Keiwa Sakurai/Kamen Rider Tycoon, he is a man currently looking for a job and lives with his sister. He likes tanuki soba and has an honest and straightforward personality.
- Yuna Hoshino as Neon Kurama/Kamen Rider Naaga, an influencer with 2 million followers and is a daughter from a rich family. Even if that is a case, she wants to live an ordinary life and has a strange dream of running away from her family.
- Kazuto Mokudai as Azuma Michinaga/Kamen Rider Buffa, is blunt and a lone wolf, and even though he seem prickly, he is a passionate man and a strong part of him cares for his friends. He sees Ace Ukiyo/Kamen Rider Geats as his rival.
- Kokoro Aoshima (Zero: Dragon Blood) as Tsurumi, the navigator of the Desire Grand Prix. She explains the rules of the game, how to progress, and announces the results to the participants.
- Shugo Oshinari (Battle Royale II: Requiem) as Girori, the concierge of the Desire Grand Prix. He also supports the participants at the salon that also serves as the neutral zone.
The series will be produced by TV-Asahi's Chihiro Inoue and Toei's Naomi Takebe (Kamen Rider OOO, Kamen Rider Gaim), and it will be written by Yuya Takahashi (Kamen Rider Ex-Aid, Kamen Rider Zero-One). Serving as action director is suit actor Satoshi Fujita, with Shojiro Nakazawa (Kamen Rider Wizard, Kamen Rider Ex-Aid) and Teruaki Sugihara (Kamen Rider Zero-One) serving as the show's main directors. Lastly, it was also revealed that singer Koda Kumi and Shonan no Kaze will perform the show's theme song, with Toshihiko Sahashi composing the show's music.
Kamen Rider Geats is set to premiere this September 4th only on TV-Asahi's Super Hero Time block, replacing Kamen Rider Revice.
[Additional details from Kamen Rider Geats' TV-Asahi website]