The actress is currently starring in Broadway's 'John Proctor Is the Villain' directly across the street from the 'Stranger Things' prequel play Sadie Sink stopped by the Upside Down on Broadway! The 22-year-old Stranger Things actress — who plays Max Mayfield in the hit Netflix series — paid a visit to Broadway’s Marquis Theatre on Monday,

Noah Schnapp, who stars as Will Byers on the series, called the new play "Stranger Things: The First Shadow" a "must-watch" for fans.