Suggestions by @rebekahslholland

Florence Pugh

as Sirius Violetta Black in Lilac Skies

Score: +1

Amanda Seyfried

as Marlene Mckinnon in Lilac Skies

Score: +1

Rachel Skarsten

as Mattea Riddle in Lilac Skies

Score: +1

Christian Coulson

as Thomas Mathew Riddle in Lilac Skies

Score: +1

Zoë Kravitz

as Leta Lestrange II in Lilac Skies

Score: +1

Sophie Turner

as Dakota Parkinson in Lilac Skies

Score: +1

Katherine McNamara

as Elizabeth Avery in Lilac Skies

Score: +1

Elle Fanning

as Astoria Greengrass in Lilac Skies

Score: +1

Dakota Fanning

as Daphne Greengrass in Lilac Skies

Score: +1

Dakota Johnson

as Hope Scamander in Lilac Skies

Score: +1

Timothée Chalamet

as Regulus Black in Lilac Skies

Score: 0

Bryce Dallas Howard

as Genevieve Grindelwald in Lilac Skies

Score: +1

Sophie Skelton

as Lily Evans in Lilac Skies

Score: +1

Oliver Phelps

as George Weasley in Lilac Skies

Score: +1

James Phelps

as Fred Weasley in Lilac Skies

Score: +1

Ansel Elgort

as Marcus Flint in Lilac Skies

Score: +1

Louis Cordice

as Blaise Zabini in Lilac Skies

Score: +1

Tom Felton

as Draco Malfoy in Lilac Skies

Score: +1

Louis Partridge

as Lorenzo Berkshire in Lilac Skies

Score: +2

Daniel Sharman

as Theodore Nott in Lilac Skies

Score: +1