Suggestions by @mischief

Abigail Cowen

as Ariel in Operation: Walt

Kiernan Shipka

as Tinkerbell in Operation: Walt

Kiernan Shipka

as TInker Bell in Tinker Bell

Zoë Kravitz

as White Tiger in Spider-Man

Asa Butterfield

as Harry Osborn in Spider-Man

Tom Hiddleston

as Death in The Tale of the Three Brothers

Madison Iseman

as Fleur Delacour in Harry Potter

Saoirse Ronan

as Fleur Delacour in Harry Potter

Chloë Grace Moretz

as Fleur Delacour in Harry Potter

Halle Bailey

as Hermione Granger in Harry Potter

Hugh Jackman

as James Potter in Harry Potter

Mackenzie Foy

as Astoria Greengrass in Harry Potter

Ewan McGregor

as Remus Lupin in Harry Potter

Tom Hiddleston

as Sirius Black in Harry Potter

Chloë Grace Moretz

as Lavender Brown in Harry Potter

Idris Elba

as Kingsley Shacklebolt in Harry Potter

Domhnall Gleeson

as Bill Weasley in Harry Potter

Cara Delevingne

as Fleur Delacour in Harry Potter

Kiernan Shipka

as Daphne Greengrass in Harry Potter

Amber Heard

as Daphne Greengrass in Harry Potter