Sadie Elizabeth Sink is an American actress, born April 16, 2002, in Brenham, Texas, best known for playing Max Mayfield in Netflix’s Stranger Things (2017–2025). She began her career on Broadway at age 10 in Annie, later starred in Fear Street, Taylor Swift’s All Too Well: The Short Film, and Darren Aronofsky’s The Whale (2022), and returned to Broadway in 2025 with a Tony-nominated performance in John Proctor Is the Villain.

Sadie Sink has built one of the most respected careers among young American actresses of her generation, moving fluidly between Broadway theater, network television, streaming, and prestige film. This biography covers her early life, education, career timeline, achievements, personal life, and current status — everything you need to understand who Sadie Sink is and how she became famous.

Quick Facts About Sadie Sink

Early Life and Education

Sadie Sink was born on April 16, 2002, in Brenham, a small sports-oriented town in Texas, where she has English, German, and Irish ancestry. Her mother, Lori Sink (née Baughman), works as a math teacher, while her father, Casey Sink, is a football coach. She grew up alongside three older brothers — Mitchell, Caleb, and Spencer — and a younger sister, Jacey, who later appeared as a younger version of Sadie’s characters in Stranger Things Season 3 and The Whale.

Although the Sink household leaned heavily toward athletics, Sadie and her brother Mitchell gravitated toward musical theater instead. The two siblings often re-enacted scenes from High School Musical and watched Broadway shows and Tony Award broadcasts together, a habit that planted the earliest seeds of Sadie’s acting ambitions.

How Did Sadie Sink Get Into Acting?

Sadie Sink’s formal acting journey began when her mother enrolled her in acting classes in Houston at age seven. She made her stage debut in a community theater production of The Best Christmas Pageant Ever in Brenham, followed by a leading role in The Secret Garden at age eight — an experience she has described as her first real taste of disciplined, professional-style rehearsal.

By age nine, Sink was performing regularly with Theatre Under the Stars, appearing in productions such as White Christmas (2011) before landing the title role in a regional production of Annie in 2012. That regional success became the launchpad for her Broadway career. In 2012, the Sink family relocated to New Jersey specifically to support Sadie and Mitchell’s growing acting careers — a significant, concrete decision that underscores the family’s early investment in her craft.

Because of the demands of professional theater, Sink was homeschooled starting in second grade and only returned to a conventional school schedule after her 2015 Broadway run in The Audience concluded.

Sadie Sink Career Journey (Timeline)

Broadway Beginnings (2012–2015)

At age 10, Sink was cast in the 2012 Broadway revival of Annie, one of the most competitive youth roles on Broadway at the time. She served as a standby for the characters of Annie, Tessie, Duffy, July, and Pepper from October 2012 to July 2013. After lead actress Lilla Crawford departed the production, Sink and fellow young performer Taylor Richardson began alternating in the title role of Annie and the role of Duffy. Broadway director James Lapine explained the casting decision directly, noting that both girls were “such unique young actresses” that he chose to let them share the part. Sink remained with the production through its final performance in January 2014, an 18-month run performed eight times a week — a grueling schedule that she has credited with teaching her professional discipline.

In 2015, Sink returned to Broadway in a very different type of role: young Queen Elizabeth II opposite Helen Mirren in the historical play The Audience, expanding her range from musical theater into dramatic period work.

Early Television and Film Roles (2013–2016)

While still performing on Broadway, Sink began building a television résumé. She appeared in a 2013 episode of the Emmy-winning FX series The Americans, followed by a guest role on CBS’s Blue Bloods. Her first major TV break came in 2015, when she was cast as Suzanne Ballard, daughter of the lead couple, in the NBC political thriller American Odyssey — a role that ran for 11 episodes before the series was cancelled due to budget concerns.

Sink made her feature film debut in 2016 in Chuck, a biographical sports drama about boxer Chuck Wepner, which premiered at the Venice Film Festival before its wider 2017 US release to positive reviews. That same period, she also appeared in The Glass Castle (2017), based on Jeannette Walls’s memoir, playing a young version of Lori Walls alongside Woody Harrelson and Brie Larson — a connection that would later influence her personal lifestyle choices.

The Stranger Things Breakthrough (2017–2025)

Sadie Sink’s defining career moment arrived in 2017, when she joined the second season of Netflix’s Stranger Things as Max Mayfield, a skateboarding new kid navigating the fictional town of Hawkins, Indiana. The role instantly made her one of the most recognizable young actresses in the world.

Her performance grew more acclaimed with each season. The BBC described her Season 3 performance as “wonderfully loose and natural,” while critics repeatedly praised her on-screen chemistry with co-star Millie Bobby Brown. Max Mayfield’s storyline in Season 4 — involving grief, isolation, and a much-discussed sequence set to Kate Bush’s “Running Up That Hill” — became a cultural moment and drew some of the strongest critical reception of Sink’s career. She continued in the role through the show’s fifth and final season, which concluded the series in 2025, closing out an eight-year run that had shaped her entire adolescence on screen.

Expanding Into Film and Music Collaborations (2021–2022)

In 2021, Sink starred as Ziggy Berman in Fear Street Part Two: 1978 and Fear Street Part Three: 1666, the second and third installments of Netflix’s horror trilogy. She performed most of her own stunts for the role and has spoken about studying classic slasher films like Friday the 13th to prepare, and the Los Angeles Times specifically praised her handling of the character’s emotional layers.

That same year, Sink appeared in Taylor Swift’s short film All Too Well, playing the younger counterpart to Dylan O’Brien’s character — a high-profile crossover moment that introduced her to Swift’s massive global fanbase and generated significant mainstream media coverage outside the Stranger Things universe.

In 2022, Sink took on her most dramatically demanding film role to date in Darren Aronofsky’s The Whale, starring opposite Brendan Fraser. Her performance as an angry, estranged teenage daughter earned her a Critics’ Choice Movie Award nomination and was widely cited as evidence of her range beyond genre television, with Forbes naming her to its “30 Under 30” list in entertainment the following year and Time including her in its 2022 Time100 Next list.

Return to Broadway and Beyond (2025–2026)

In 2025, after Stranger Things concluded, Sink returned to her theatrical roots, starring in the Broadway play John Proctor Is the Villain. Her performance earned her a Tony Award nomination for Best Actress in a Play, making her one of the youngest actresses ever nominated in the category — a milestone that reaffirmed her Broadway credentials nearly 15 years after her Annie debut.

Looking ahead, Sink is set to appear in the Marvel film Spider-Man: Brand New Day (2026), marking her entry into a major superhero franchise, alongside other film projects reportedly including O’Dessa.

What Is Sadie Sink Known For? (Major Achievements)

• Stranger Things (2017–2025): Breakout role as Max Mayfield across five seasons; part of a SAG Award-winning ensemble cast
• The Whale (2022): Critics’ Choice Movie Award nomination for a dramatically intense supporting performance opposite Brendan Fraser
• John Proctor Is the Villain (2025): Tony Award nomination for Best Actress in a Play
• Fear Street Trilogy (2021): Lead role as Ziggy Berman, praised for physically demanding stunt work
• All Too Well: The Short Film (2021): High-profile collaboration with Taylor Swift
• Modeling: Walked in Paris Fashion Week in 2018 at age 15 and has modeled for brands including Miu Miu and Kate Spade New York
• Recognition: Named to Forbes “30 Under 30” and Time’s “Time100 Next” list

Personal Life

Sadie Sink is known for being deliberately private about her personal life. She has explained to outlets like Teen Vogue that keeping her private world separate from the public eye helps preserve the believability of her on-screen characters — a stance she has maintained consistently throughout her career.

She became vegetarian in 2015 after watching the documentary Food, Inc., and transitioned to a fully vegan lifestyle in 2016, an evolution she has directly credited to working with Woody Harrelson on the set of The Glass Castle. She continues to use her social media presence to support animal shelters and environmental causes.

Sink is close friends with Stranger Things co-star Millie Bobby Brown; the pair reportedly lobbied the Duffer Brothers to intertwine their characters’ storylines in Season 3. She also knew co-stars Gaten Matarazzo and Caleb McLaughlin from Broadway circles before Stranger Things brought them together. Outside acting, she is a trained tap dancer and plays guitar, occasionally sharing performances on social media.

Regarding relationships, Sink has not publicly confirmed a partner and, consistent with her broader approach to privacy, has not discussed a spouse or engagement.

Sadie Sink Net Worth and Influence

As of 2026, Sadie Sink’s net worth is estimated between $3 million and $6 million, built primarily through her long-running Stranger Things salary, film roles including The Whale and the Fear Street trilogy, Broadway work, and modeling contracts with brands such as Miu Miu and Kate Spade New York.

Her influence extends beyond box office and streaming numbers. Sink has become a recognizable voice for a generation of young performers who moved from Broadway stages into global streaming fame, and her upcoming role in Spider-Man: Brand New Day signals a deliberate expansion into blockbuster franchise filmmaking alongside her continued theater and independent film work.

Legacy and Current Status

Sadie Sink’s career trajectory — from a seven-year-old in Texas community theater to a Tony-nominated Broadway lead and Marvel franchise actress — reflects a rare combination of theatrical training and screen stardom. Unlike many child actors who struggle to transition into adult roles, Sink has consistently taken on complex, critically respected parts, from The Whale to John Proctor Is the Villain, that have expanded rather than narrowed her range.

As of mid-2026, Sink is preparing for her Marvel debut in Spider-Man: Brand New Day while continuing to divide her time between film and stage — a dual-track career that industry observers frequently cite as a model for young actors seeking longevity in Hollywood. She has maintained a clean, controversy-free public image throughout her career, built almost entirely on the strength of her work rather than tabloid attention.

Frequently Asked Questions (FAQs)