10 Best Harry Potter Characters Who Are Only in 1 Film

The Harry Potter series includes characters that appear in only one film.

Aunt Marge appears in The Prisoner of Azkaban as Vernon’s sister.

She makes false and insulting remarks about Harry’s parents.

Harry’s magic makes Aunt Marge inflate into a large balloon and drift away.

The Knight Bus is a triple-decker purple rescue vehicle, with Ernie Prang driving and Stan Shunpike as conductor.