The man with the dog who speaks to David when he goes to the village telephone Is Doug Bradley, better known as 'Pin-Head' In the Hellraiser film franchise.
According to director Williams, Tracey was originally written as a 40-year-old character but, to get the finance, he was told to cast someone young.
Lepidopterophobia is the fear of butterflies and moths; the fear of moths alone is called mottephobia.