Bizarre nightmares plague Regan MacNeil four years after her possession and exorcism. Has the demon returned? And if so, can the combined faith and knowledge of a Vatican investigator and a hypnotic research specialist free her from its grasp?
You can now watch Exorcist II: The Heretic online on the following streaming providers in the United States.
| Sound | Ennio Morricone | Original Music Composer |
| Camera | William A. Fraker | Director of Photography |
| Directing | John Boorman | Director |
| Production | John Boorman | Producer |
| Editing | Tom Priestley | Editor |
| Art | Richard Macdonald | Production Design |
| Costume & Make-Up | Dick Smith | Makeup Artist |
| Directing | Rospo Pallenberg | Director |
| Writing | Rospo Pallenberg | Writer |
| Writing | William Goodhart | Writer |
| Production | Richard Lederer | Producer |
| Crew | Albert Whitlock | Special Effects |
| Art | Dan Perri | Title Designer |
