Suggestions by @lonelypotato

Willem Dafoe

as Springtrap in BumHouse's Five Nights At Freddy's

Score: +2

Ben Schwartz

as Bonnie in BumHouse's Five Nights At Freddy's

Score: +2

Benedict Cumberbatch

as Medic in Team Fortress: The Movie

Score: +2

Hugo Weaving

as Sniper in Team Fortress: The Movie

Score: +3

Tobey Maguire

as Engineer in Team Fortress: The Movie

Score: 0

Paul Wight

as Heavy in Team Fortress: The Movie

Score: +2

Eddie Murphy

as Demoman in Team Fortress: The Movie

Score: +2

Hugh Grant

as Spy in Team Fortress: The Movie

Score: +2

Vin Diesel

as Soldier in Team Fortress: The Movie

Score: -2

Nathan Vetterlein

as Scout in Team Fortress: The Movie

Score: +2