Piano no Mori

Soma Saito

Kai Ichinose (voice)

Natsuki Hanae

Shuhei Amamiya (voice)

Junichi Suwabe

Sosuke Ajino (voice)

Hideyuki Tanaka

Yoichiro Amamiya (voice)

Natsuki Mori

Christina Bayer (voice)

Koji Yusa

Takeshi Saga (voice)

Anna Mugiho

Anna Bilińska (voice)

Kenta Zaima

Igor Gutmann (voice)

Marie Miyake

Namie Amamiya (voice)

Bin Shimada

Jean Jacques Serrault (voice)

Yuichi Nakamura

Wei Pang (voice)

Hironori Kondoh

Daniel Hunt (voice)

Rika Kinugawa

Takako's Sister (voice)

Kajetan Rodziewicz

Master of Ceremonies (voice)

Ryoko Shiraishi

Kai Ichinose as an Elementary School Boy (voice)