Hints for Act IV, Scene 3: Mr Brightside:

Hint 1

Boy, it sure is a bright day, with the sun shining so high up on the page! Hope that doesn’t foreshadow too much...

Hint 2

If you've been enlightened by the clues, it might be important to consider how large a shadow they cast.

Hint 3

Each clue clues for a word or phrase containing the string 'LIGHT'. Complete the wordsearch; the resulting lines are shadows cast by the answer.