Suggestions by @jackstann

Peter Jackson

as Director in The Way of Kings

Score: 0

Russell Crowe

as Adamat in The Powder Mage Trilogy

Score: -4

Tom Hiddleston

as Hoid in Mistborn

Score: +10

Peter Jackson

as Director in Mistborn

Score: +7

Peter Jackson

as Director in The Mistborn Trilogy

Score: +4

Peter Jackson

as Producer in The Mistborn Trilogy

Score: +6

Sean Bean

as Field Marshall Tamas in The Powder Mage Trilogy

Score: +2

Russell Crowe

as Field Marshall Tamas in The Powder Mage Trilogy

Score: +4

Maisie Williams

as Vin in Mistborn

Score: -15