Suggestions by @ineffablejew

Andrew Garfield

as Remus Lupin in The Potion Master's Grace

Score: +1

Lily James

as Adelaide Sternblum in The Potion Master's Grace

Score: +1

Bonnie Wright

as Ginny Weasley in The Potion Master's Grace

Score: +1

Joey Richter

as Rolf Scamander in The Potion Master's Grace

Score: 0

Amanda Seyfried

as Phoebe Trigg in The Potion Master's Grace

Score: +1

Elle Fanning

as Pandora Lovegood in The Potion Master's Grace

Score: +1

James Phelps

as Fred Weasley in The Potion Master's Grace

Score: +1

Kathryn Newton

as Seraphina Sternblum in The Potion Master's Grace

Score: +1

Anya Taylor-Joy

as Rowena Yaxley in The Potion Master's Grace

Score: +1

Emma Watson

as Hermione Granger in The Potion Master's Grace

Score: +2

Timothée Chalamet

as Regulus Black in The Potion Master's Grace

Score: 0

Laura Dern

as Helena Trigg in The Potion Master's Grace

Score: +1

Oliver Phelps

as George Weasley in The Potion Master's Grace

Score: +1

Meryl Streep

as Margaret Prince in The Potion Master's Grace

Score: +1

Matthew Lewis

as Neville Longbottom in The Potion Master's Grace

Score: +1

Cory Gruter-Andrew

as Alfie Honeycutt in The Potion Master's Grace

Score: +1

Carey Mulligan

as Alice Longbottom in The Potion Master's Grace

Score: +1

Alexandra Shipp

as Mary Macdonald in The Potion Master's Grace

Score: +1

Alicia Vikander

as Marlene McKinnon in The Potion Master's Grace

Score: +1

Evanna Lynch

as Luna Lovegood in The Potion Master's Grace

Score: +1