First time that Jill Ireland worked on a movie of her husband Charles Bronson which was behind the camera instead of in front of the camera. Ireland was an associate producer on this picture. Later, she would be a co-producer on another Bronson vehicle, Murphy's Law (1986).
At the start of a car chase where Holland lets Rhiana drive, a part of Rhiana's skirt gets caught in the door as she closes it, but it is free in subsequent shots.
What are the differences between the R-Rated version and the Unrated Version?
A
The R-rated version features alternate material which has the same duration as the unrated cut. The material is more violent in the unrated version.
A detailed comparison between both versions can be found here.Also, the BBFC 18 version is cut in comparison to the R-Rated. A detailed comparison between both versions can be found here.