In an early deleted scene, Scott Goldberg played the role of Glen Allen, whom was named after Stephen Dorff's character, Glen, in the 1987 Canadian horror film, 'The Gate', directed by Tibor Takacs.
Eric Ramos, the 1st Assistant Director, plays the role of a zombie, eating intestines in one of the final scenes in the movie.
One of the featured zombie extra's drove 250 miles from Elmira, New York to Glen Cove, Long Island to be a zombie for the day.