Edmund (King Lear) Edmund (King Lear) Edmund or Edmond is a fictional character and the main antagonist in William Shakespeare's "King Lear". He is the illegitimate son of the Earl of Gloucester, and the younger brother of Edgar, the Earl's legitimate son. Early on in the play, Edmund resolves to get rid of his brother, then his father, and become Earl in his own right. He later flirts with both Goneril and Regan and attempts to play them off against each other. Shakespeare's source for the subplot of Edmund, Edgar and Gloucester was a tale from Philip Sidney's "Countess of Pembroke's Arcadia" of
King Lear against the backdrop of the Upper Canada Rebellion of 1837. This production starred David Fox as Lear. In the summer of 2015–2016, The Sydney Theatre Company staged "King Lear", directed by Neil Armfield with Geoffrey Rush in the lead role and Robyn Nevin as the Fool. About the madness at the heart of the play, Rush said that for him "it's about finding the dramatic impact in the moments of his mania. What seems to work best is finding a vulnerability or a point of empathy, where an audience can look at Lear and think how shocking it must be