Casting principal
Mao Ichimichi
Azumi Shibukawa / Hairpin Red (voice)
金元寿子
Kyouko Usui / Hairpin Blue (voice)
花井美春
Fumio Chitose / Hairpin Yellow (voice)
井澤詩織
Eri Yokosuka / Hairpin Green (voice)
近藤玲奈
Hina Kawai / Hairpin Pink (voice)
Ryō Horikawa
Ken Horibe / Race Control (voice)
小越勇輝
Kensuke Hayami / Racing Driver (voice)