Suggestions by @liliadh

Daniel Sharman

as Theodore Nott in Harry Potter: A TV Series (2009)

+2-1Score: +1

Dane DeHaan

as Young Peter Pettigrew in Harry Potter: A TV Series (2009)

+2-1Score: +1

Louis Garell

as Severus Snape in Harry Potter: A TV Series (2009)

+9-9Score: 0

Claire Holt

as Ella harper in Paper Princess

+3-9Score: -6

Claire Holt

as Ella in Paper Princess

+1-0Score: +1

Emeraude Toubia

as Ella in Paper Princess

+0-1Score: -1