Kohsuke Toriumi

Ren Fujii / Mercurius (voice)

Asami Yaguchi

Young Ren Fujii / Eleonore Von Wittenburg (voice)

Ayaka Fukuhara

Kasumi Ayase (voice)

Yui Sakakibara

Marie (voice)

Hitomi Nabatame

Rea Himuro / Isaak (voice)

Kei Mizusawa

Kei Sakurai / Beatrice Waltrud von Kircheisen (voice)

Takeshi Maeda

Shiro Yusa (voice)

Ken Narita

Valeria Trifa (voice)

Kisho Taniyama

Wilhelm Ehrenburg (voice)

Yuka Inokuchi

Rusalka Schwägerin (voice)

Risato Habuki

Riza Brenner (voice)

Kouki Harasawa

Rot Spinne (voice)