Corrected entry: Frank kills Kirsty's father and wears his skin, the bone structure gives a person their features. Her father's skin would not have fit so nicely on Frank and he would not look like her father.
Corrected entry: When Larry and Julia move into the house, they clear out everything, even all of Frank's possessions, yet somehow Frank is able to obtain his switchblade near the end of the movie.
Corrected entry: The pet shop Kirsty works in has a marmoset in a cage; British pet shops don't sell such animals, it's illegal.
Corrected entry: Despite being set in England, all telephones give the US style "single ring" rather than the UK's "double ring".