Hamlet’s characters drive the action in the play. See below for a full list of all characters in Hamlet – for most characters, clicking on their name will take you to an article about them:
CLAUDIUS, King of Denmark
HAMLET, Son to the late, and Nephew to the present King
GERTRUDE, Queen of Denmark and Mother to Hamlet
POLONIUS, Lord Chamberlain
LAERTES, his Son
OPHELIA, Daughter to Polonius
HORATIO, Friend to Hamlet
FORTINBRAS, Prince of Norway
VOLTIMAND, CORNELIUS, ROSENCRANTZ, GUILDENSTERN, OSRIC, & A Gentleman, Courtiers
A Priest
MARCELLUS & BERNARDO, Officers
FRANCISCO, a Soldier
REYNALDO, Servant to Polonius
A Captain
English Ambassadors
Players Two Clowns, Grave-diggers
Lords, Ladies, Officers, Soldiers, Sailors, Messengers, and Attendants
See characters in Shakespeare’s other plays

The dramatic significance of the grave diggeris scere in hamlet.