This film was shot with only a single camera lens.
The opening credits sequence with the newspaper clippings was shot at the home of the director's parents.
Several bits with the jogger running afoul of the headless horseman were added after principal shooting had wrapped.
'Z' being chased through the woods by the headless horseman was originally done in slow motion. This sequence was eventually recut without the slow motion because the filmmakers thought it didn't look good.