Full cast of The Case Book of Arne

Mariya Ise

Louis Hartmann (voice)

12 episodes

Koki Uchiyama

Arne Neuntöte (voice)

12 episodes

Aimi Tanaka

Young Arne Neuntöte (voice)

12 episodes

Yuka Nukui

Lynn Reinweiß (voice)

12 episodes

Yuki Sakakihara

Zisye (voice)

12 episodes

Yuuki Shin

Nachzehrer (voice)

12 episodes

Yoko Hikasa

Amy (voice)

12 episodes