- Rio Komiya as Juru Atsuta/Kiramai Red, he is a high school student with artistic talents who meets the other Kiramagers while he was trying to draw their battles.
- Rui Kihara (Kamen Rider Amazons) as Tametomo Imizu/Kiramai Yellow, he's a professional Esports player who is good at shooters.
- Yume Shinjo (Mr. Hiiragi's Homeroom) as Sena Hayami/Kiramai Green, she's a track and field athlete who holds the Japanese record for the 100m dash.
- Atom Mizushi (Fullmetal Alchemist, Garo: Makai no Hana) as Shigure Oshikiri/Kiramai Blue, he is a stunt actor who specializes in sword fighting.
- Mio Kudo (Kamen Rider Ghost) as Sayo Ooharu/Kiramai Pink, she's a talented doctor who knows Aikido.
The Kiramagers are partnered with a Buddy called a Mashin. These Mashin are:
- Mashin Fire voiced by Kenichi Suzumura (Kamen Rider Den-O, Kuroko's Basketball)
- Mashin Shovellow voiced by Mitsuo Iwata (Akira, Doubutsu Sentai Zyuohger)
- Mashin Mach voiced by Kenji Akabane (Shin Mazinger Shougeki! Z Hen)
- Mashin Jetter voiced by Genki Okawa (Yu-Gi-Oh! Zexal II)
- Mashin Helicop voiced by Yuki Nagaku (Dragon Ball Super)
The series will be produced by Hideaki Tsukada (Kamen Rider Fourze) and is written by Naruhisa Arakawa (Kaizoku Sentai Gokaiger). Both producer and writer once worked together on Bakuryuu Sentai Abaranger and Special Police Dekaranger. Joining the duo is Kamen Rider director Kyohei Yamaguchi (Kamen Rider Ex-Aid, Kamen Rider Build).
Mashin Sentai Kiramager is set to premiere on March 8th, replacing Kishiryu Sentai Ryusoulger in its current 9:30am timeslot. The film, Mashin Sentai Kiramager: Episode ZERO is part of the Super Sentai Movie PARTY, a double-billing of two Super Sentai movies, and will air alongside Kishiryu Sentai Ryusoulger vs. Lupinranger vs. Patranger on February 8th.
[Source: Tokunation, Nihon Hero (link 2), GuSTaVauM]