Haruhi Iuchi as Taiya Hando / Bun Red

Yuki Hayama as Ishiro Meita / Bun Blue

Miu Suzuki as Mira Shifuto / Bun Pink

Ryu Saito as Jou Akuse / Bun Black

Satoru Soma as Genba Bureki / Bun Orange

Yu Miyazawa as Sakito Homura / Bun Violet

Rica Matsumoto as Boondorio Boonderas / Boonboomger Equipment (voice)

Natsuki Hanae as Byun Diesel (voice)

Junichi Suwabe as Dekotrade (voice)

Nana Mizuki as Itasha (voice)

Sumire Morohoshi as Yaiyai Yarucar (voice)

Himena Irei as Princess Nicola Keydoor

HIKAKIN as Hikakin

Yuji Kishi as Catching Captain Demon Thunder (voice)

Tomokazu Seki as Circuit Grumer (voice)