Suggestions by @siriuslymoony71

Cooper Hoffman

as Peter Pettigrew in The Marauders

+72-28Score: +44

Aneurin Barnard

as Professor Snape in Harry Potter (HBO Max Series)

+101-40Score: +61

Oliver Jackson-Cohen

as Professor Ferox in All the Young Dudes

+6-9Score: -3

Felicity Jones

as Hope in All the Young Dudes

+4-1Score: +3

Charlie Cox

as Lyall Lupin in All the Young Dudes

+4-2Score: +2

Cooper Hoffman

as Peter Pettigrew in All the Young Dudes

+11-12Score: -1