Writing
Deliverance
1972 · Creative Consultant
Excalibur
1981 · Adaptation
Exorcist II: The Heretic
1977 · Second Unit Director
The Emerald Forest
1985 · Screenplay
The Barber of Siberia
1998 · Writer
Cutting Class
1989 · Director
Druids
2001 · Screenplay
Boorman and the Devil
2025 · Self
