How does an adaptation where the ghost and Hamlet are played by the same actor differ from an adaptation where the ghost and Hamlet are played by two separate actors? By having the same actor play both parts, the existence of the ghost is proven and Hamlet’s madness is confirmed.
By having the same actor play both parts, the need for vengeance is emphasized and Hamlet’s lack of madness is confirmed.
By having the same actor play both parts, the two characters are separated and Hamlet’s lack of madness is confirmed.
By having the same actor play both parts, the two characters become one and Hamlet’s madness is confirmed.