The document provides character summaries for major characters in William Shakespeare's play Hamlet. It summarizes the roles and backgrounds of the guards who first see the ghost of King Hamlet, Hamlet's friends Horatio and Marcellus, Hamlet's father's ghost, Laertes who plots with Claudius, Hamlet's love interest Ophelia, Polonius the Lord Chamberlain, Hamlet's best friend Horatio, Hamlet's mother Gertrude, the new King Claudius, and Hamlet himself.