Dennis Price?
I gave you karma because Dennis Price seems to have played all three roles at some time in his career (he's listed as having a minor role in "Double Take" credited as "Dracula"), but he is not the actor I am thinking of.
If you had a list of the 39 banned video nasties in front of you I think you would quickly see which one I am thinking of. Then all you have to do is look up the
Thats not Dennis Price-thats Howard Vernon.