Suggestions by @user_34741

Joshua Bassett

as Beast Boy in Teen Titans (James Gunn DCU)

+1-3Score: -2

Mena Massoud

as Ezra Bridger in Live-Action 'Star Wars Clone Wars' and 'Star Wars Rebels' Characters

+5-3Score: +2

Temuera Morrison

as Poseidon in Percy Jackson & the Olympians

+2-13Score: -11

Timothy Dalton

as Chiron in Percy Jackson and the Olympians

+7-5Score: +2

Rainn Wilson

as Dionysus in Percy Jackson and the Olympians

+6-4Score: +2