The music heard as the bus drives through a thunderstorm at the beginning is patterned after Bernard Herrmann's main title cue for the movie Psycho (1960), though it doesn't quote Herrmann's music directly. In the Hitchcock film, Herrmann's theme recurs as Marion Crane ( Janet Leigh ) drives through heavy rain and ultimately finds the Bates Motel - a possible inspiration for the musical reference.
Two of the stars here are Rue McClanahan and David Wayne. They would later star together on The Golden Girls (1985) as Blanche Devareaux and her father Big Daddy Hollingsworth.
Guest star David Wayne previously starred on the short-lived series Ellery Queen (1975), also created by Murder, She Wrote (1984) co-creators Richard Levinson and William Link.
Jessica wears her Burberry trench in this episode.
There is a picture on the wall in the diner of what looks like a fishing boat. Written on it is 'Grimsby' in large letters and 'deep sea trawler' at the side. Could this be Grimsby in Lincolnshire, England.