Suggestions by @nicholasoleksak

Henry Zaga

as Kaladin Stormblessed in The Stormlight Archive

Score: -24

Will Poulter

as Dilaf in Elantris

Score: +4

Jeremy Irvine

as Lukel in Elantris

Score: +3

Clive Owen

as Iadon in Elantris

Score: -1

Richard Armitage

as Ashe in Elantris

Score: 0

Kenneth Branagh

as Iadon in Elantris

Score: +2

Ian McKellen

as Ashe in Elantris

Score: 0

Mark Hamill

as Ashe in Elantris

Score: 0

Emma Roberts

as Sarene in Elantris

Score: -3

Armie Hammer

as Raoden in Elantris

Score: -4

Djimon Hounsou

as Galladon in Elantris

Score: +1

David Mazouz

as Fitz Chivalry in Assassin's Apprentice (Farseer Trilogy)

Score: -14

Ezra Miller

as The Fool in Assassin's Apprentice (Farseer Trilogy)

Score: -14

Nicholas Hoult

as Regal in Assassin's Apprentice (Farseer Trilogy)

Score: -2

Oscar Isaac

as Burrich in Assassin's Apprentice (Farseer Trilogy)

Score: +4

Pierce Brosnan

as King Shrewd in Assassin's Apprentice (Farseer Trilogy)

Score: -15

Gabriella Wilde

as Kettricken in Assassin's Apprentice (Farseer Trilogy)

Score: -8

Eleanor Tomlinson

as Molly in Assassin's Apprentice (Farseer Trilogy)

Score: -13

Maggie Q

as Lady Patience in Assassin's Apprentice (Farseer Trilogy)

Score: -3

Luke Evans

as Verity in Assassin's Apprentice (Farseer Trilogy)

Score: -1