Duke of Albany, husband to Goneril
Earl of Kent
Earl of Gloucester
Edgar, son of Gloucester
Edmund, bastard son to Gloucester
Curan, a courtier
Old Man, tenant to Gloucester
Doctor
Lear's Fool
Oswald, steward to Goneril
A Captain under Edmund's command
Gentlemen
A Herald
Servants to Cornwall
Goneril, daughter to Lear
Regan, daughter to Lear
The Herald delivers one of the best lines of the play in terms of poetic justice. 

The Tragedy Of King Lear Characters of the Play