Warning: This post contains spoilers for Stranger Things season 3. As Robin on Netflix’s Stranger Things, 20-year-old actor Maya Hawke got her breakout role. A few essential facts to get out of the way: Hawke’s parents are Hollywood veterans Uma Thurman and Ethan Hawke. She’s played the beloved Louisa May Alcott character Jo March in PBS’ 2017 Little Women miniseries, and she’ll appear as Flower Child in Quentin Tarantino’s Once Upon a Time In Hollywood, out July 26.