Lee Chandler is a fictional character from the film Manchester by the Sea, directed by Kenneth Lonergan. He is portrayed by actor Casey Affleck and is a withdrawn and grief-stricken handyman living in Boston. In the story, Lee faces the emotional turmoil of returning to his hometown after the death of his brother. He grapples with his past, including a tragic incident that deeply affects his life and relationships. The film explores themes of loss, regret, and the struggle to find redemption.