La casa donde habita el diablo

The visual effects sequences featuring the Japanese ghosts were filmed utilizing an old German camera technique known as "Shauftausen". In a 2011 interview with John Kenneth Muir, director Kevin Connor said of this: "...basically you shoot the scene with one camera through a right-angled mirror. The ghost actors are on a black velvet background so you can control the density of their image as you shoot, ie you fade them in and fade them out and line them up easily with the 'live' actors. It worked very well, and of course you could see the composite dailies next day. Eventually we got this technique down to a fine art. It was important to show the ghosts in this fashion because basically it was an economical and effective process".

The 1986 UK Warner video version was cut by 34 secs by the BBFC to edit the decapitation scenes and shots of a severed arm.

Featured in The Cinema Snob: Visiting Hours (2023)