
Quick answer — Atsuki Tani voices Anderson in Great Pretender, Rudolvon in Tearmoon Empire, Borka in Ronja, the Robber's Daughter and 2 more characters.
Atsuki Tani voices Anderson (Great Pretender), Rudolvon (Tearmoon Empire), Borka (Ronja, the Robber's Daughter), Muzhen Tie (The Silver Guardian), Gregers (Tesla Note).
Anderson is voiced in Japanese by Atsuki Tani.