Suggestions by @kelsi

Lizzy Greene

as Daphne Greengrass in Harry Potter : The Lost Files

+3-3Score: 0

Nathalie Emmanuel

as Dorcas Meadowes in Harry Potter

+3-0Score: +3

Sean Biggerstaff

as Oliver Wood in Harry Potter

+1-1Score: 0

Sophie Skelton

as Lily Evans in Harry Potter

+4-4Score: 0

Oscar Spendrup

as Theodore Nott in Harry Potter

+2-20Score: -18

Nathalie Emmanuel

as Dorcas Meadows in Marauders

+2-0Score: +2