Meet the cast of Kamen Rider My-Th!

Ikuho Akiya plays Sora Otosumi, aka Kamen Rider My-Th. He's a butler, or "meister" serving under Yuna Mizuki. He's also said to have high IQ, and has been fighting the "Fukashigi" from a young age.

Riko Horikawa plays Yuna Mizuki, a high school student, and heiress of a wealthy family. She's also the founder of the "Fukashigi Incident Research Association".

Hayate Ataka plays Tatsuomi Asao, Yuna's personal tutor. He joins Sora and Yuna after being involved in a Fukashigi incident. Hayate was in Kamen Rider Geats episode 39 as a skateboarder.

Keisuke Higashi plays Kamuri Munetaka, aka Kamen Rider Ma-Oh. He's the leader of the 12 Zodiacs Alliance, a secret organization fighting the Fukashigi, but for some reason, has a rivalry with My-Th.

Shunya Kaneko plays Tigur, aka Kamen Rider Tigur. Tigur has insight abilities, and is said to be an older brother figure. Shunya played Akito Hijiri in Ultraman Trigger.

Nanako Ando plays Dat, aka Kamen Rider Dat. Dat has excellent hearing, and can detect Fukashigi. She also has great speed. Nanako was a guest actress in Kamen Rider Gavv episode 7.

Kousei Tsubokura plays Jao, aka Kamen Rider Jao. Jao is loyal to Kamuri, and in battle, uses his tail to repeatedly attack Fukashigi.

The Rampage from EXILE TRIBE will perform the show's theme song. This is the second time EXILE TRIBE provides music for the Kamen Rider series, following FANTASTICS with Kamen Rider Gavv.

Naruhisa Arakawa serves as the main writer for the show. Naruhisa Arakawa was the main writer for Kamen Rider Kuuga.

Kamen Rider My-Th premieres September 9, 2026, 9:00am on TV Asahi.