Suggestions by @ilovemilfs

Amiee Lou Wood

as Celia Rowle in idk

Score: +1

Alexander Arnold

as Kevin Chatchadoryan in idk

Score: +2

Lorenzo Zurzolo

as Dorian Parkinson in idk

Score: +1

Constance Wu

as Justine Ritz in idk

Score: +1

Madison Lintz

as Peggie Haywood in idk

Score: +1

Ezra Miller

as Rigel (Lestrange) Black in idk

Score: +1

Domhnall Gleeson

as Gideon Prewett in idk

Score: +2

Domhnall Gleeson

as Fabian Prewett in idk

Score: +2

Timothée Chalamet

as Regulus Black in idk

Score: 0

Kaya Scodelario

as Cassiopea Black in idk

Score: +1

Jessie Buckley

as Molly Prewett in idk

Score: +1

Rachel Hurd-Wood

as Sybill Trelawney in idk

Score: +2

Merveille Lukeba

as Barty Crouch in idk

Score: +1

Jack O'Connell

as Collin Creevey I in idk

Score: +1

Will Merrick

as Arther Weasley in idk

Score: +1

Luke Pasqualino

as Cecil Scamander in idk

Score: +1

Georgie Henley

as Lilac Pensive in idk

Score: +1

Skandar Keynes

as Onyx Pensive in idk

Score: +1

William Moseley

as River Pensive in idk

Score: +1

Anna Popplewell

as Victorian Pensive in idk

Score: 0