Nagisa Saito as Ruby Hoshino

Kaito Sakurai as Aquamarine Hoshino

Asuka Saito as Ai Hoshino

Nanoka Hara as Kana Arima

Mizuki Kayashima as Akane Kurokawa

ano as Memcho

Mari Hamada as Eriko Kawamura

Kazuto Mokudai as Ryosuke

Kurumi Inagaki as Sarina Tendouji

Haru Iwakawa as Child Aqua Hoshino

Yuna Saito as Child Ruby Hoshino

Yamashita Coki as Taiki Himekawa

Toshinori Omi as Toshirou Kindaichi

Kana Kurashina as Miyako Saitou

Nobuaki Kaneko as Taishi Gotanda

Jun Kaname as Masaya Kaburagi

Ryo Narita as Gorou Amamiya

Kotaro Yoshida as Ichigo Saitou

Kazunari Ninomiya as Hikaru Kamiki

Soya Kurokawa as Young Hikaru Kamiki

Nimura Sawa as [Orphanage staff]

Moemi Katayama as Himekawa Airi