Suggestions by @padfoots

Anya Taylor-Joy

as Severus Snape in All The Young Dudes

Score: +1

Cate Blanchett

as Hope Jenkins in All The Young Dudes

Score: +7

Tom Hiddleston

as Lyall Lupin in All The Young Dudes

Score: +4

Chris Evans

as Leo Ferox in All The Young Dudes

Score: +10

James Marsden

as Leo Ferox in All The Young Dudes

Score: -7

Chris Hemsworth

as Leo Ferox in All The Young Dudes

Score: +2

Alicia Vikander

as Marlene McKinnon in All The Young Dudes

Score: +17

Sofia Bryant

as Mary Macdonald in All The Young Dudes

Score: +68

Sophie Skelton

as Lily Evans Potter in All The Young Dudes

Score: +58

Dane DeHaan

as Peter Pettigrew in All The Young Dudes

Score: +30

Aaron Taylor-Johnson

as James Potter in All The Young Dudes

Score: +109

Ben Barnes

as Sirius Black in All The Young Dudes

Score: +140

Andrew Garfield

as Remus Lupin in All The Young Dudes

Score: +177