
Age: 24
female
Sadie Elizabeth Sink (born April 16, 2002) is an American actress. She began her acting career in theatre, playing the title role in the musical Annie (2012–14) and young Elizabeth II in the historical play 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 (2017–2025) and received critical acclaim for her performance in its fourth season. In 2021, she appeared in the horror film trilogy Fear Street and played the lead role in Taylor Swift's short film All Too Well. She then starred in Darren Aronofsky's psychological drama The Whale (2022), for which she received a Critics' Choice Movie Award nomination. Sink returned to Broadway in 2025, starring in the play John Proctor Is the Villain and earning a nomination for a Tony Award for Best Actress in a Play; the second youngest woman to achieve such.

Have you ever wished you could live inside a book? Welcome to the Astral Library, where books are not just objects, but doors to new worlds, new lives, and new futures. Alexandria "Alix" Watson has learned one lesson from her barren childhood in the foster-care system: unlike people, books will never let you down. Working three dead-end jobs to make ends meet and knowing college is a pipe dream, Alix takes nightly refuge in the high-vaulted reading room at the Boston Public Library, escaping into her favorite fantasy novels and dreaming of far-off lands. Until the day she stumbles through a hidden door and meets the Librarian: the ageless, acerbic guardian of a hidden library where the desperate and the lost escape to new lives...inside their favorite books. The Librarian takes a dazzled Alix under her wing, but before she can escape into the pages of her new life, a shadowy enemy emerges to threaten everyone the Astral Library has ever helped protect.

