creative use of modern and mystical element represent 1956 cadillac convertible to transport evil stepmother kathleen turner ( john water serial mom ) and the 2 twist sister while queen mab a the faerie godmother while david warner ( evil in time bandit ) in redcoat at court while cinderella ( she a babe ) shovel coal into an insatiable furnace while cinderella and her prince charm both look like ( and act like ) rock star . isle of man location .