The coroner is listed in the credits as "Dr. Phibes", an in-joke reference to the Vincent Price character, Dr. Anton Phibes.
The band mentioned on the radio near the beginning is "The Coupe DeVilles", which features director John Carpenter.
Bennett, The handyman with Father Malone in the beginning, is played by an uncredited John Carpenter.
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.