Exorcist II: The Heretic

(1977)

Writer

Excalibur

(1981)

Adaptation and Screenplay

The Emerald Forest

(1985)

Screenplay

The Barber of Siberia

(1998)

Writer

Druids

(2001)

Screenplay

Deliverance

(1972)

Creative Consultant

Exorcist II: The Heretic

(1977)

Second Unit Director

Cutting Class

(1989)

Director