Final answer:
In Act V of Hamlet, the sword fight involves Hamlet and Laertes, leading to a tragic conclusion for both characters.
Step-by-step explanation:
In Act V of Hamlet, the sword fight occurs between Hamlet and Laertes. This pivotal event is part of the drama's climax, where tension reaches its peak during a fencing match that has been deviously plotted by King Claudius and Laertes to kill Hamlet. The fight is dramatic and serves as a resolution to several of the play's main conflicts. Unfortunately, the scheme goes awry leading to tragic consequences for multiple characters, including Hamlet and Laertes themselves.