Suggestions by @fairilinaumbra

Leonardo DiCaprio

as Draco Malfoy in Harry potter

Sofía Vergara

as Pomona Sprout in Harry potter

Miley Cyrus

as Ginny Weasley in Harry potter

MatPat

as Sirius Black in Harry potter

Markipliar

as Bill Weasley in Harry potter

Eddie Murphy

as Remus Lupin in Harry potter

Owen Wilson

as Gilderoy Lockhart in Harry potter

The Vinki Twins

as The Weasley Twins in Harry potter

Samuel L. Jackson

as Dumbledore in Harry potter

Samuel L. Jackson

as Ron Weasley in Harry potter

Kevin Hart

as Flitwick in Harry potter

Shaquille O'Neal

as Hagrid in Harry potter