Suggestions by @izzylollipop

Beabadoobee

as Marlene McKinnon in Marauders

Score: +3

Sofia Bryant

as Mary McDonald in Marauders

Score: +2

Maxwell Acee Donovan

as Peter Pettigrew in Marauders

Score: +2

Matt Hitt

as Remus Lupin in Marauders

Score: +1

Louis Seriot

as Sirius Black in Marauders

Score: +1

Reiky de Valk

as James Potter in Marauders

Score: 0

Hayden Christensen

as Jace Herondale in The Shadowhunter Chronicles

Score: +1

Elle Fanning

as Jessamine Lovelace in The Shadowhunter Chronicles

Score: +1

Amandla Stenberg

as Maia Roberts in The Shadowhunter Chronicles

Score: +1

William Gao

as Jem Carstairs in The Shadowhunter Chronicles

Score: +1

Walker Scobell

as Kit Herondale in The Shadowhunter Chronicles

Score: +1

Elle Fanning

as Emma Carstairs in The Shadowhunter Chronicles

Score: +1

Sofia Bryant

as Maia Roberts in The Shadowhunter Chronicles

Score: +1

Sophie Rundle

as Jessamine Lovelace in The Shadowhunter Chronicles

Score: +1

Jenna Coleman

as Charlotte Branwell in The Shadowhunter Chronicles

Score: +1

Eddie Redmayne

as Henry Branwell in The Shadowhunter Chronicles

Score: +1

Àstrid Bergès-Frisbey

as Tessa Gray in The Shadowhunter Chronicles

Score: +1

Jude Law

as Axel Mortmain in The Shadowhunter Chronicles

Score: +1

Ben Barnes

as Woosley Scott in The Shadowhunter Chronicles

Score: +1

nichole Kidman

as Lillith in The Shadowhunter Chronicles

Score: +1