Debuting in July of 1983, the dancing zombies of this movie predate the Michael Jackson: Thriller (1983) release by about four months.
Three of the lead cast members were all last named ''Hudson''. These were: Bill Hudson, Mark Hudson and Brett Hudson. They are all siblings. One home video release had the front cover billing of: ''Starring the Hudson Brothers''.
The movie's opening title card states: ''Oregon Coast - October 31, 1982''. This is the date of Halloween and the year is a century or 100 years prior to the first release year of the movie.
The nick-name of Frederic Lansing (Bill Hudson) was "Casper".