- Most of the original Jerry Goldsmith score was edited out in the final cut, and the original edit was not available until 1997.
- Based on a bestselling Tom Tryon novel, but Tryon was bitterly disappointed by the adaptation, despite having written the screenplay version.
- Regularly aired on US television in the late 1970s.
- One of John Ritter’s earliest roles.
- Ain’t It Cool News (2010)
- 366 Weird Movies (2009)
- Horror Movie-a-Day (2008)