
Quick answer — Suguru Narisawa voices Mohen in Banished from the Hero’s Party, I Decided to Live a Quiet Life in the Countryside, John Goodman in Peter Grill and the Philosopher's Time, Hirofumi Inoue in King's Game.
Suguru Narisawa voices Mohen (Banished from the Hero’s Party, I Decided to Live a Quiet Life in the Countryside), John Goodman (Peter Grill and the Philosopher's Time), Hirofumi Inoue (King's Game).
Mohen is voiced in Japanese by Suguru Narisawa.