Suggestions by @ekoik

Charlie Rowe

as Remus Lupin in The Marauders

Score: +1

Lovie Simone

as Dorcas Meadowes in The Marauders

Score: +1

Sophie Skelton

as Lily Evans in The Marauders

Score: 0

Deaken Bluman

as Sirius Black in The Marauders

Score: +2

Suraj Sharma

as James Potter in The Marauders

Score: +1

Nesta Cooper

as Mary Macdonald in The Marauders

Score: +1

Fred Hechinger

as Peter Pettigrew in The Marauders

Score: +1

Deaken Bluman

as Sirius Black in The Marauders

Score: +1