
Quick answer — Ryouya Kobayashi voices Sagum in Moribito: Guardian of the Spirit, Kazuya Miyauchi in Koi Kaze.
Ryouya Kobayashi voices Sagum (Moribito: Guardian of the Spirit), Kazuya Miyauchi (Koi Kaze).
Sagum is voiced in Japanese by Ryouya Kobayashi.