Gregers Werle is a character from the play "The Wild Duck," written by Henrik Ibsen. He is the son of Hjalmar Ekdal's employer, Werle, and returns to his hometown after years away. Gregers is idealistic and believes in truth and honesty, often clashing with the more pragmatic views of those around him. Throughout the play, Gregers attempts to reveal hidden truths about the past, particularly concerning Hjalmar and his family. His actions lead to significant consequences, highlighting the complexities of human relationships and the impact of confronting uncomfortable realities.