The band mentioned on the radio near the beginning is "The Coupe DeVilles", which features director John Carpenter.
The coroner is listed in the credits as "Dr. Phibes", an in-joke reference to the Vincent Price character, Dr. Anton Phibes.
Characters Nick Castle, Dan O'Bannon, Tommy Wallace are all named after John Carpenter's real-life collaborators.
DVD Easter Eggs: (Hidden So You Don't See Anything You Don't Want To See)
Edition: MGM/UA Special Edition
Region: 1
Description: Fog clips
Go to special features and at the top highlight audio off. then press right and a set of eyes will appear in the top left hand corner of the screen. press enter.