Sadie Elizabeth Sink (born April 16, 2002) is an American actress. She began acting at age seven in local theatre productions and played the title role in Annie (2012–14) and young Elizabeth II in The Audience (2015) on Broadway. In 2016, she made her film debut in the biographical sports drama Chuck. Sink had her breakthrough portraying Max Mayfield in the Netflix science fiction series Stranger Things (2017–present) and received critical acclaim for her performance in its fourth season. In 2021, she appeared in the horror film trilogy Fear …