Suggestions by @christabodhi

Adam Driver

as Galbatorix in The Inheritance Cycle (Eragon Series)

+0-11Score: -11

Danny DeVito

as Sloan in The Inheritance Cycle (Eragon Series)

+0-6Score: -6

Liam Hemsworth

as Roran in The Inheritance Cycle (Eragon Series)

+3-7Score: -4

Sadie Sink

as Roran in The Inheritance Cycle (Eragon Series)

+0-9Score: -9

Liam Neeson

as Brom in The Inheritance Cycle (Eragon Series)

+6-3Score: +3