Sadie Sink

Sadie Elizabeth Sink (born April 16, 2002) is an American actress whose career has moved from Broadway child star to global television phenomenon to prestige film and back to Broadway — collecting a Tony nomination and a Marvel Cinematic Universe role along the way. She is one of the most distinctive young performers of her generation: intense, precise, and allergic to the usual child-star playbook.

Born in Brenham, Texas, Sink started acting at seven in local theater, with vocal and dance training alongside homeschooling. By ten she was on Broadway, taking the title role in Annie (2012–2014). In 2015 she appeared opposite Helen Mirren in The Audience as the young Queen Elizabeth II. Early television work followed: a guest spot on the Emmy-winning The Americans (2013), Blue Bloods, and a recurring role as Suzanne Ballard in American Odyssey (2015). She had stage discipline before she had a driver's license.

The breakthrough came in 2017, when she joined the second season of Netflix's Stranger Things as Max Mayfield — the sharp-tongued skater kid with the red hair and the Walkman, skeptical of everything and loyal to the few she trusted. Max became a fan favorite, and Sink's Season 4 showcase — the "Dear Billy" episode, with Max fleeing Vecna to Kate Bush's "Running Up That Hill" — became one of the defining television moments of the 2020s. She stayed with the series through its fifth and final season (2025), growing up on screen across 33 episodes.

Parallel to Hawkins, Sink was building a serious film résumé. She played the young Lori Walls in The Glass Castle (2017), headlined the horror film Eli (2019), and carried Netflix's Fear Street trilogy (2021) as Ziggy Berman — the chain-smoking survivor of Camp Nightwing. In 2021 she starred as "Her" in Taylor Swift's All Too Well: The Short Film opposite Dylan O'Brien, a ten-minute heartbreak epic that became a genuine cultural event. Then came The Whale (2022): as Ellie, the venomous, wounded teenage daughter of Brendan Fraser's Charlie, Sink delivered a performance of startling ferocity — earning a Critics' Choice nomination for Best Young Actor/Actress and a Rising Star award at the SCAD Savannah Film Festival.

She kept choosing interesting over obvious: the grief drama Dear Zoe (2022), the thriller A Sacrifice (2024), and the rock opera O'Dessa (2025), where she carried a post-apocalyptic musical as the title character, singing her way through it. And she returned to her roots in 2025 with John Proctor Is the Villain on Broadway, playing Shelby Holcomb — a performance that earned her a Tony nomination for Best Actress in a Play, making her one of the youngest nominees in the category's history. A West End debut as Juliet in Romeo and Juliet was announced for 2026.

Then the biggest franchise in the world came calling. After months of secrecy, Sink made her MCU debut in Spider-Man: Brand New Day (2026) as Jean Grey — a casting reveal that positioned her as the bridge into Marvel's long-awaited X-Men era, with reports pointing to further appearances down the line, including Avengers: Secret Wars.

What sets Sink apart is the through-line: Broadway discipline, prestige-film taste, and pop-culture lightning, held together by a performer who never phones it in. She keeps her personal life private, lets the work do the talking, and at 24 has already lived about four different acting careers. The intensity that made Max Mayfield unforgettable is the same intensity that carried The Whale and a Broadway stage. It travels.

Sadie Sink is what happens when a child performer skips the assembly line. No Disney sitcom, no pop single, no rebrand — just Broadway at ten, a prestige-TV phenomenon at fifteen, and a filmography built like someone twice her age.

The range is the thing. Max Mayfield's fury in Stranger Things, Ziggy Berman's survival instinct in Fear Street, Ellie's acid grief in The Whale, the raw heartbreak of All Too Well — each one feels like a different actor, and each one feels completely true. The Season 4 "Dear Billy" episode wasn't just great television; it was a star being born in real time, in front of a hundred million people.

And then she did the most old-school move imaginable: went back to Broadway and got a Tony nomination for it. At 23. In an era when young stars are managed like assets, Sink operates like a 1970s actor — pick the hard roles, protect the private life, let the work accumulate. Jean Grey is the franchise play, but the résumé says she'll use it, not lean on it. The intensity is the constant. Everything else is just the venue.