Suggestions by @thefilmcritic

Caden Dragomer

as Draco Malfoy in Harry Potter (MAX Series Reboot)

Emerald Fennell

as Petunia Dursley in Harry Potter

John Bradley

as Vernon Dursley in Harry Potter

Theron Mahoney

as Neville Longbottom in Harry Potter

Jacob Fortune-Lloyd

as Severus Snape in Harry Potter

Calam Lynch

as Severus Snape in Harry Potter

Olivia Colman

as Dolores Umbridge in Harry Potter

Georgie Henley

as Molly Weasley in Harry Potter

Lexi Lancaster

as Ginny Weasley in Harry Potter

George Parker

as Arthur Weasley in Harry Potter

Josh Dylan

as Lucius Malfoy in Harry Potter

Jamie Campbell Bower

as Lucius Malfoy in Harry Potter

Andrew Gower

as Quirinus Quirrell in Harry Potter

Freddie Fox

as Gilderoy Lockhart in Harry Potter

Max Irons

as Gilderoy Lockhart in Harry Potter

Aneurin Barnard

as Pius Thicknesse in Harry Potter

Alexander Vlahos

as Severus Snape in Richman’s Snape Choices

Joe Cole

as Remus Lupin in Harry Potter

Joe Alwyn

as Sirius Black in Harry Potter

Luke Thallon

as Quirinus Quirrell in Harry Potter