


| Anyone famous in it? | No big names. |
| Directed by anyone interesting? | Freddie Francis - went on to direct a variety of British horror films, from Hammer's Evil of Frankenstein (1964), to the Amicus anthology Torture Garden (1967), and Tyburn's impoverished Legend of the Werewolf (1975). |
| Is it scary? | There are a few quite scary and shocking scenes. |
| Any violence? | Some blood, but nothing too bad. |
| Any sex? | No |
| Who is it for? |
Fans of psychological thrillers should enjoy this well written film, especially fans of the Hammer thrillers. |
| Visuals | Original Aspect Ratio - 2.35:1. Anamorphically Enhanced. Black & White. A strong print with good detail, almost no print damage and only light grain. |
| Audio | Original English mono - Dolby Digital - sounds fine. |
| Subtitles | English HOH, Spanish and French. |
| Extras | None. |
| Availability | Only available as part of the Hammer Horror Series boxset. |
| Region | Region 1 - NTSC |
| Other regions? | None known. |
| Cuts? | Believed to be fully uncut. Print used is English language. |