The film has often been considered as being one of the knock-offs of 'Lethal Weapon' (1987).
The picture has often been considered to be 'Beverly Hills Cop' (1984) in reverse.
Cast Members, Forest Whitaker and Anthony Edwards, both previously about eight years earlier, had appeared in 'Fast Times at Ridgemont High' (1982) in small roles.
The region of ''Bryn Mawr'' is a posh upper class suburb of Philadelphia, USA.
At one point a character tells the hero of the story that even the Terminator wouldn't go downtown. Gale Anne Hurd was the head producer on 'The Terminator' (1984) and an executive producer on 'Downtown' (1990). The interval between the two movies was about six years.