Suggestions by @fenneclord

Adam Driver

as Luigi in Mario

Score: +1

Oscar Isaac

as Mario in Mario

Score: -1

Finn Wolfhard

as NightCrawler in Xmen Fancast

Score: +1

Alexander Skarsgård

as Havok in Xmen Fancast

Score: 0

Ryan Reynolds

as Deadpool in Xmen Fancast

Score: +3

Joe Keery

as Gambit in Xmen Fancast

Score: +1

Matthew Modine

as Magneto in Xmen Fancast

Score: -1

Charlize Theron

as Mystique in Xmen Fancast

Score: +2

Stefan Kapičić

as Colossus in Xmen Fancast

Score: +1

Alexandra Daddario

as Rogue in Xmen Fancast

Score: -1

Natalie Dormer

as Emma Frost in Xmen Fancast

Score: +2

Millie Bobby Brown

as Kity Pryde in Xmen Fancast

Score: 0

Sonequa Martin-Green

as Storm in Xmen Fancast

Score: +2

Krista Kosonen

as Storm in Xmen Fancast

Score: -2

Shayne Topp

as Wolverine in Xmen Fancast

Score: -3

Henry Cavill

as Wolverine in Xmen Fancast

Score: -1

Daniel Radcliffe

as Beast in Xmen Fancast

Score: +3

Colton Haynes

as Iceman in Xmen Fancast

Score: -1

Tom Felton

as Angel in Xmen Fancast

Score: -1

Katherine McNamara

as Jean Grey in Xmen Fancast

Score: +1