A man claiming to have been infected and possessed by the devil dies trying to drill a hole into his head. Hospital morgue assistant Edwyn Rord attends to the body but soon becomes obsessed with the number 9 and that the the forces of evil are at work. Has Edwyn been infected too ? [full story]
Production information for The Mark of Satan
6th December 1980 (UK ITV)
The church is Holy Cross Church in Greenford, Middlesex UB6 (Thanks to Rachael Marsh for informing me)
The hospital was Hillingdon Hospital (Thanks to Jim, a visitor to the site for informing me)
Do you know which buildings were used for Edwyns house or library ?