During act 2, scene 1, when Macbeth is waiting for the signal from Lady Macbeth, he hallucinates and sees a bloody dagger floating in front of him.
This vision is interpreted as Macbeth's guilt for the murder he is about to commit. The dagger he sees is the same weapon he is about to use to kill the king.
Umm... Where are the following??
Answer: It seems Harry was against shaving his head for the role and opted for the bald cap instead. Thankfully, this is one of the only complaints that fans seem to have about the production and it's otherwise getting positive reactions on social media