Weekend Quick Cryptic 118 - You Better Watch Out

This time it is my turn to provide the fortnightly Weekend Quick Cryptic crossword, Number 118 in the series. The title "You Better Watch Out" is a clue to Nina hidden in the completed grid. Can you find it?

You can try and solve the crossword interactively here on MyCrossword or here on crossword.info. As usual you can download a PDF to print which you can find here. Alternatively you can copy and print the image below. Comments and queries are welcome with the solution post (which also gives tips on some of the clues).  I will react to any comments or queries there as soon as I can. You can find an index to the complete series of crosswords here. 

You can find some hints for the perplexed and the solution here and an index to the complete series of crosswords here.