Sadie Sink, from Max Mayfield’s rage to a Jean Grey who is not quite the villain

Sadie Sink

Photo: Super Festivals from Ft. Lauderdale, USA / CC BY 2.0, via Wikimedia Commons

Born	April 16, 2002 Brenham, Texas, USA
Occupation	Actress
Known for	Spider-Man: Brand New Day, The Whale, Fear Street: 1978
Awards	2 Tony Award (nomination) · John Proctor Is the Villain · 2 Critics' Choice (nomination) · The Whale · 4 SAG Award (nomination) · 2 Stranger Things · 2 Hollywood Critics Association · Stranger Things Season 4

Marvel gave Sadie Sink a note before she shot a frame of Spider-Man: Brand New Day: she was the villain, “but that you’re not actually the villain.” She took the instruction literally. Her Jean Grey, she later explained, was built as “the really angry, hurt teenager — which I have experience in playing, it seems.” The laugh at the end of that sentence is earned. It is also a fairly exact description of a career.

Max Mayfield, Ellie, Ziggy Berman, Shelby Holcomb: the girls Sink has played share a temperature. They are furious, and the fury always has an address — a dead stepbrother, a father who walked out, a summer camp that branded her a witch, a classroom that taught her to admire the wrong man. What separates her from the long line of child actors who outgrew a hit show is the order in which she made her choices. By the time the blockbuster reached cinemas, she had a Tony nomination, a Darren Aronofsky film and a West End Juliet behind her. Marvel got the actress those rooms had made.

Sadie Elizabeth Sink was born on April 16, 2002, in Brenham, Texas, the fourth of five children of Lori and Casey Sink. The household ran on sports; she and her brother Mitchell were the ones who staged shows in the living room and watched the Tony Awards together. Her first stage appearance came at seven, in the ensemble of a community production of The Best Christmas Pageant Ever, and a year later she was Mary Lennox in The Secret Garden for Houston’s A.D. Players — the role she later credited with making her want to do this for a living. She trained at the Humphreys School of Musical Theatre at Theatre Under the Stars, and in 2012, once both siblings were getting professional work, the family moved to New York.

That same year, at ten, she made her Broadway debut in the revival of Annie at the Palace Theatre — first as a standby, then, from July 2013, alternating the title role with Taylor Richardson until the production closed in January 2014. She has said the eight-show week taught her the discipline she still works by. In 2015 she was back on Broadway as the young Elizabeth II in Peter Morgan’s The Audience, opposite Helen Mirren and under Stephen Daldry’s direction, an experience she describes as the one that changed how she understood acting. Television arrived in between: a guest spot on The Americans, another on Blue Bloods, and a regular role in NBC’s thriller American Odyssey.

The part that changed everything nearly went elsewhere. When she auditioned for the second season of Stranger Things in 2016, the casting directors thought the fourteen-year-old Sink was too old for Max. She asked for more material, went through four callbacks and a chemistry read with Gaten Matarazzo and Caleb McLaughlin, and claimed along the way to know how to rollerblade, which she did not. Once cast, she spent two months taking three-hour skateboarding lessons every day for a character defined by a board she disliked from the first fall.

Max arrived in 2017 as the new kid with a chip on her shoulder, and for two seasons the show used her anger mostly as texture. The fourth season, released in 2022, turned it into the story: a girl hollowed out by her stepbrother’s death, hunted by Vecna, running out of a cemetery toward her friends while Kate Bush’s “Running Up That Hill” plays on her Walkman. The sequence became one of the defining images of the streaming era and sent the song to number one in the United Kingdom in June 2022, thirty-seven years after its release; in 1985 it had stalled at number three. Sink won the Hollywood Critics Association award for best supporting actress in a streaming drama for that season.

The fifth and final season, released between November 2025 and a New Year’s Eve finale, asked something harder of her: to act while Max lay in a coma. Her body stayed in a Hawkins hospital bed, with Lucas playing Kate Bush at her side, while her mind wandered the memories of Henry Creel, where she found Holly Wheeler trapped with her. Max finally woke, and Sink has described filming her reunion with Lucas as very special. After the finale she told Jimmy Fallon that, in her reading, Eleven did not survive — the paradise Mike describes is the group’s way of coping — and that she was content with the ending.

Between seasons she was doing something else entirely. In Fear Street Part Two: 1978, the middle film of Netflix’s 2021 horror trilogy, she played Ziggy Berman, a camp outcast with a bad home life, and did most of her own stunts. That autumn she starred opposite Dylan O’Brien in All Too Well: The Short Film, which Taylor Swift wrote and directed; Swift has said that had Sink declined, the film would not have been made. For Sink it was a way out of playing children on screen.

The Whale was the decisive step. Cast after a Zoom meeting with Aronofsky and Brendan Fraser, she played Ellie, the estranged teenage daughter of Fraser’s housebound English teacher, a girl whose cruelty is the only language her grief has. “I’d just have these moments of, ‘Is she actually evil?’” she said of the part. The film premiered at the Venice Film Festival on September 4, 2022, and brought her a Critics’ Choice nomination. She has said the role gave her the confidence to stop seeing herself as a little puppet who stands on her mark.

The reception was less unanimous than her career narrative suggests. Owen Gleiberman of Variety found in her “a fire and directness that recalls the young Lindsay Lohan”; Justin Chang of the Los Angeles Times admired the intensity but thought the role badly written, and the Sydney Morning Herald called the performance “dialed up to unrelenting obnoxiousness.” That split points at the real risk in her filmography, which is repetition. Her quieter films — Dear Zoe, the Berlin-set thriller A Sacrifice opposite Eric Bana — barely registered, and Searchlight’s rock opera O’Dessa, which premiered at SXSW in March 2025 before going to Hulu, drew mixed-to-negative reviews that spared only her. Sink’s own joke about the angry, hurt teenager acknowledges the pattern. What she has not yet shown on screen is a character who is not fighting.

The stage keeps answering that question better than the screen. In 2025 she returned to Broadway in Kimberly Belflower’s John Proctor Is the Villain, directed by Danya Taymor at the Booth Theatre, which opened on April 14. She played Shelby Holcomb, a Georgia high-school student whose class reads The Crucible and starts to question why John Proctor is called its hero. Variety’s Christian Lewis described “a spellbinding performance as a girl who is deeply pained but shielded with thick armor.” It earned her a first Tony nomination, for best actress in a play, and when Universal won the auction for a film version, with Tina Fey and Marc Platt producing and Belflower adapting her own play, Sink came aboard as executive producer.

She went straight from New York to London. In March 2026 she made her West End debut as Juliet in Robert Icke’s production of Romeo & Juliet at the Harold Pinter Theatre, with Noah Jupe as Romeo, also on his West End debut. Demand added two weeks to the run, which closed on June 20, 2026. Most critics gave it four stars and singled out the pair’s chemistry, while several argued that Icke’s device of replaying key scenes with a different outcome got in the actors’ way.

Six weeks later the secret came out. Spider-Man: Brand New Day opened on July 31, 2026, and her undisclosed role — a hooded telepath who jumps into other people’s minds — was revealed to be Jean Grey, the X-Men’s most powerful mutant. Kevin Feige and Louis D’Esposito had called her in; she had never watched an X-Men film and reported to the London set without a full script, her character hidden behind a code name. The director, Destin Daniel Cretton, had directed her in The Glass Castle years earlier, and she says having a familiar face eased the step into a franchise larger than Hawkins. She shot for about twenty days. Her Jean is searching for her sister Sara, taken by Damage Control’s director, and spends most of the film working against Tom Holland’s Peter Parker before the story lets her be understood. The first people she told were the Duffer brothers. According to Variety, the film had the biggest domestic opening on record, and it passed two billion dollars worldwide within three weeks.

Off screen, fashion has followed. She walked her first runway at Paris Fashion Week at fifteen, became a global ambassador for Armani Beauty in July 2023, fronted a Prada campaign with Benedict Cumberbatch in March 2025 and, in September 2026, starred in Calvin Klein’s “Feel the Fit” denim campaign directed by Aidan Zamiri. In October 2026 she joined her Stranger Things castmate Maya Hawke in Prada’s hand-drawn holiday campaign. On her private life she has a stated position rather than a gap: the less the audience knows about an actor, she argues, the easier it is to believe the character. She calls herself a feminist, stopped eating meat at thirteen after watching Food, Inc., and went vegan a year later after time with Woody Harrelson’s family on the set of The Glass Castle.

What comes next is already lined up. Sink has confirmed that Jean Grey returns in Marvel’s X-Men, directed by Jake Schreier, which Deadline reports begins production at the start of 2027. She is set to star as Madeleine Hanna, and executive produce, in The Marriage Plot, a limited series adapting Jeffrey Eugenides’ novel for FX and Hulu, written by Will Arbery and directed by Hiro Murai. In October 2026 Deadline reported that she is in talks to star in and produce an A24 and Square Peg adaptation of Emma Cline’s novel The Guest, with Lorene Scafaria in talks to write and direct; around a dozen other buyers had chased the book. Each of these projects will test whether her anger has a calmer register. Jean Grey, by contrast, will need the full voltage.

Watch: Sadie Sink in the Fear Street Part Two: 1978 trailer

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Tags: actors, Darren Aronofsky, Sadie Sink, Spider-Man: Brand New Day, Stranger Things, Destin Daniel Cretton, American actresses, The Whale

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