Suggestions by @mariohernaiz

Cailey Fleming

as Vin in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

+1-2Score: -1

Brian Tyree Henry

as Yulwei in The First Law Trilogy

+1-5Score: -4

Jensen Ackles

as Logen Ninefingers in The First Law Trilogy

+4-19Score: -15

Zazie Beetz

as Ferro Maljinn in The First Law Trilogy

+16-11Score: +5

May Calamawy

as Ferro Maljinn in The First Law Trilogy

+2-10Score: -8