- The character Peter Vincent is named for two actors well-known for their appearances in horror movies: Peter Cushing and Vincent Price.
- William Ragsdale injured his foot running down a staircase during the last shot filmed on 24 December 1984, just three weeks into principal photography. Ragsdale's action scenes were postponed until he was healed sufficiently to perform them and the director filmed other scenes to stay on schedule.
- Stephen Geoffreys auditioned for Fright Night (1985) while filming Fraternity Vacation (1985).
- A puppet that was created for, but not used in, another Columbia Pictures production, Ghost Busters (1984), is visible in Fright Night (1985).
- The motion picture that Charley watches in his bedroom is Scars of Dracula (1970), a Hammer Studios production starring Christopher Lee.
- While directing actors, Tom Holland accidentally broke a bat creature, which was fixed and then filmed.
- Tom Holland had total control in the casting decisions. The only suggestion he got was from Guy McElwaine who asked Holland to meet his friend Roddy McDowall, who'd be cast. In an interview Holland said that "it was a terrific suggestion".
>>> WARNING: Here Be Spoilers <<<
Trivia items below here contain information that may give away important plot points. You may not want to read any further if you've not already seen this title.
- SPOILER: Chris Sarandon spent as many as eight (8) hours having vampire makeup applied. Stephen Geoffreys spent as many as twelve (12) hours having werewolf makeup applied, which was required twice.
- SPOILER: In an attempt to produce an authentic reaction of fright when Charley sees Amy as a vampire for the first time, William Ragsdale did not see the stunt actress in makeup prior to shooting the scene.
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