In the scene in the deserted film studio, where Philip is attacked by movie paraphernalia, the film stock is actually nine damaged prints of Saturday Night Fever (1977), obtained from Rank Laboratories.
What are the differences between the old British VHS and the Uncut version?
A
The British VHS features several film tears and on top of this two scenes showing the filming of the softcore flick are missing as well. A detailed comparison between both versions with pictures can be found here.