Dr. John McGregor

Dr. John McGregor is the deuteragonist of the 1985 film Phenomena. McGregor was a entomlogist who study insects, but who was later, kill by the Killer.

He is portrayed by the late Donald Pleasence.

Plot
A lost Danish tourist, Vera Brandt being stalked an unseen killer. She meets her fate as she is stabbed with a pair of scissors and decapitated. Her head is soon found, and is brought to entomologist Dr. John McGregor by Inspector Rudolf Geiger and his assistant Kurt. He explains that the maggots on the skull can predict the time of when Vera was murdered, which is estimated at around 8 months prior to finding the head. Jennifer is later found by McGregor's chimpanzee assistant Inga, and she brings Jennifer back to McGregor's house. McGregor witnesses her having interactions with the insects, and he suspects that she has a special power to communicate telepathically with insects. She stays overnight at McGregor's. Jennifer flees the school and heads back to McGregor's house before the ambulance arrives to have her transferred. When she arrives at McGregor's house, he explains that he identified the maggots from the glove as the Great Sarcophagus Fly, and that this species of flies attracts to decaying human flesh. He then gives one of his own to Jennifer in a glass case and tells her that the fly can trace the whereabouts of the killer. Later that night, Inga spots someone entering McGregor's house, and while being locked outside, Inga tries to warn him. Before Inga is able to break the window and get inside, John McGregor is murdered by the killer. Inga then goes outside and finds a straight-razor in a garbage can. She takes it and walks off. Jennifer arrives at McGregor's house as the ambulance and police have already arrives, and then sees his body being carried out on a stretcher.