Suggestions by @billyswifty

Juliet Stevenson

as Minerva McGonagall in Harry Potter

Francesca Capaldi

as Ginny Weasley in Harry Potter

Howard Shore

as Composer in Harry Potter

Lucas Browne

as Harry Potter in Harry Potter

Brooke Norbury

as Hermione Granger in Harry Potter

Kit Connor

as Ron Weasley in Harry Potter

Sienna Novikov

as Hermione Granger in Harry Potter

David Mazouz

as Harry Potter in Harry Potter

Gaten Matarazzo

as Ron Weasley in Harry Potter

Barron Trump

as Draco Malfoy in Harry Potter

Patrick Stewart

as Albus Dumbledore in Harry Potter

Jessica Lange

as Minerva McGonagall in Harry Potter

Jorge Garcia

as Rubeus Hagrid in Harry Potter

Adam Driver

as Severus Snape in Harry Potter

Kellen Michael

as Dudley Dursley in Harry Potter

Lily Rabe

as Petunia Dursley in Harry Potter

Zach Galifianakis

as Vernon Dursley in Harry Potter

Adrien Brody

as Lord Voldemort in Harry Potter

Gavin MacIver-Wright

as Ron Weasley in Harry Potter

Ryan Turner

as Ron Weasley in Harry Potter