Suggestions by @clairdeslunes

Deaken Bluman

as Edmund Avery in Marauders

Score: +1

Keith Powers

as Bruce Mulciber in Marauders

Score: +1

Harry Lloyd

as Lucius Malfoy in Marauders

Score: +1

Douglas Booth

as Rabastan Lestrange in Marauders

Score: +1

Léa Seydoux

as Dahlia Foubert in Marauders

Score: +1

Désiré Mia

as Steve Laughalot in Marauders

Score: +1

Laura Harrier

as Zahara Zabini in Marauders

Score: +1

Nana Komatsu

as Alecto Carrow in Marauders

Score: +1

Kento Yamazaki

as Amycus Carrow in Marauders

Score: +1

Aneurin Barnard

as Rodolphus Lestrange in Marauders

Score: +1

Katie McGrath

as Bellatrix Black in Marauders

Score: +1

Sarah Gadon

as Narcissa Black in Marauders

Score: +1

Krysten Ritter

as Narcissa Black in Marauders

Score: -1

Keira Knightley

as Andromeda Black in Marauders

Score: +1

Freddy Carter

as Theodore Nott (Sr) in Marauders

Score: +1

Emily Alyn Lind

as Cerciana Greengrass in Marauders

Score: +1

Zendaya

as Lucinda Talkalot in Marauders

Score: +1

Connor Leslie

as Emma Vanity in Marauders

Score: +1

Maxence Danet-Fauvel

as Barty Crouch Jr in Marauders

Score: +2

Casper von Bülow

as Evan Rosier in Marauders

Score: 0