Hamlet characters drive the action in the play. See below for a full list of all characters in Hamlet:
CLAUDIUS, King of Denmark
HAMLET, Son to the late, and Nephew to the present King
GERTRUDE, Queen of Denmark and Mother to Hamlet
OPHELIA, Daughter to Polonius
HORATIO, Friend to Hamlet
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
The dramatic significance of the grave diggeris scere in hamlet.