If you can find a good image of the typeface, give it a try at:
It looks to me like a Helvetica based typeface at extra bold italic, but you'd have to compare it to a few- check the 'e' especially- you usually find most of the immediate differences there.
_________________Yer Power b'roight Weak, Old Maan- Oi'll tek yon Loightzaber an' Stick it Up Thy Bum!
If only they had let Dave Prowse do the voice.......
...............buy my old tat!!