Suggestions by @connorcarter2

Jim Carrey

as Doc Emmet Brown in Back to the Future remake

+1-0Score: +1

Tanner Buchanan

as Marty McFly in Back to the Future remake

+1-1Score: 0

Mary Mouser

as Leia Organa in Star Wars Original Trilogy Remake

+1-1Score: 0

Xolo Maridueña

as Han Solo in Star Wars Original Trilogy Remake

+0-2Score: -2

Tanner Buchanan

as Luke Skywalker in Star Wars Original Trilogy Remake

+2-0Score: +2