Jun Fukuyama as Yukio Okumura (voice)

Kana Hanazawa as Shiemi Moriyama (voice)

Kazuya Nakai as Ryuji Suguro (voice)

Koji Yusa as Renzo Shima (voice)

Yuki Kaji as Konekomaru Miwa (voice)

Eri Kitamura as Izumo Kamiki (voice)

Ayahi Takagaki as Kuro (voice)

Daisuke Ono as Arthur Auguste Angel (voice)

Keiji Fujiwara as Shirou Fujimoto (voice)

Nao Toyama as Nii-chan (voice)

Nobuhiko Okamoto as Rin Okumura (voice)