An interview with composer Don Peake, conducted in Los Angeles in May 2016.
A brand new interview with co-writer/director Dario Argento, shot exclusively for ARROW in 2018, and an archival interview with actress Daria Nicolodi.
Q&A with Lynn Lowry conducted at the 2016 Abertoir film festival in Aberystwyth, UK.
Behind the scenes footage, shot in 8mm and commented by film historian Lawrence DeVincentz.