Wow, i think i may have worked them out, that was pretty hard.
Kept going away and having a think then coming back to it.
Probably got a few wrong, just pleased to have got a reasonable answer for each that fits in the grid.
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MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.