Shannon Purser is an American actress who gained international recognition for portraying Barbara "Barb" Holland in the Netflix series Stranger Things, earning a Primetime Emmy Award nomination for the role. She has since appeared in productions including Riverdale, Sierra Burgess Is a Loser, Wish Upon, and The 4:30 Movie. Her performances in both television and film have established her as one of the most recognizable young actresses to emerge from streaming television.