Suggestions by @michaelcasey

Tom Lenk

as Wesley Pryce in Buffy the Vampire Slayer (Reboot/Remake)

+1-6Score: -5

Sebastian Stan

as Batman in Dark Knight Trilogy (2013-2020)

+1-0Score: +1

Tom Hiddleston

as Wesley Wyndam Pryce in Buffy: The Vampire Slayer

+2-0Score: +2

Tom Hiddleston

as Spike in Buffy the Vampire Slayer (Reboot/Remake)

+5-23Score: -18

Harrison Ford

as Kup in The Transformers

+3-5Score: -2