Sadie Sink (born April 16, 2002, in Brenham, Texas) is an American actress best known for playing Max Mayfield in Netflix's Stranger Things (2017-2025). She started on Broadway as a child - in Annie and as young Elizabeth II in The Audience - and returned there in 2025 with John Proctor Is the Villain, earning a Tony Award nomination for Best Actress in a Play. In 2026 she made her West End debut as Juliet in Romeo and Juliet, and is set to join the MCU in Spider-Man: Brand New Day.
The production of Romeo and Juliet on London's West End closed on June 20, 2026 - Sink thus concluded her debut at Harold Pinter Theatre.
Sink made her West End debut as Juliet in Romeo and Juliet directed by Robert Icke, alongside Noah Jupe as Romeo.
Stranger Things concluded with the final episode on December 31, 2025 - Sink played Max Mayfield in all five seasons.
The play John Proctor Is the Villain premiered on Broadway, for which Sink received a Tony Award nomination for Best Actress in a Play.
Marvel Studios confirmed the casting of Sink in an unspecified but significant role in the film Spider-Man: Brand New Day (premiere July 31, 2026).
