Sadie Elizabeth Sink (born April 16, 2002) is an American actress. She began acting at age seven in local theatre productions and played the title role in Annie (2012–14) and young Elizabeth II in 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–present) 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. Sink has since starred in Darren Aronofsky's psychological drama The Whale (2022), for which she received a Critics' Choice Movie Award nomination.
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Spider-Man: Brand New Day
2026

O'Dessa
O'Dessa Galloway
2025

A Sacrifice
Mazzy
2024

The Whale
Ellie
2022

Dear Zoe
Tess DeNunzio
2022

All Too Well: The Short Film
Her
2021

Fear Street: 1666
Constance / Ziggy Berman
2021

Fear Street: 1978
Ziggy Berman
2021

Fear Street: 1994
Ziggy Berman (uncredited)
2021

Eli
Haley
2019

The Kelly Clarkson Show
Self · (2 episodes)
2019

Dominion
Narrator (voice)
2018

Beyond Stranger Things
Self · (2 episodes)
2017

The Glass Castle
Lori Walls (Age 12)
2017

Carpool Karaoke: The Series
Self · (1 episode)
2017

Chuck
Kimberly
2017

Stranger Things
Max Mayfield · (34 episodes)
2016

American Odyssey
Suzanne Ballard · (13 episodes)
2015

Unbreakable Kimmy Schmidt
Tween Girl · (1 episode)
2015

Late Night with Seth Meyers
Self · (1 episode)
2014

The Tonight Show Starring Jimmy Fallon
Self · (1 episode)
2014

The Americans
Lana · (1 episode)
2013

Blue Bloods
Daisy Carpenter · (1 episode)
2010