Sydney Bernice Sweeney (born September 12, 1997) is an American actress. She gained early recognition for her roles in Everything Sucks!, The Handmaid's Tale, and Sharp Objects in 2018. She received wider acclaim for her performances in the drama series Euphoria (2019–2026) and the first season of the anthology series The White Lotus (2021), both of which earned her nominations for Primetime Emmy Awards. In film, Sweeney garnered critical acclaim for her performances in the drama film Reality (2023) and for her portrayal of professional boxer Christy Martin in the biopic Christy (2025), and has also appeared in the box office hits Anyone but You (2023) and The Housemaid (2025). Her other film credits include Once Upon a Time in Hollywood (2019), Madame Web (2024), and Immaculate (2024).

Filmography

• 2027The Housemaid's Secret — Millie Calloway, Producer
• 2026One Night Only — Bea (Uncredited)
• 2025Americana — Penny Jo Poplin
• 2025Christy — Christy Martin, Producer
• 2025Echo Valley — Claire Garrett
• 2025Eden — Margret
• 2025The Housemaid — Millie Calloway, Executive Producer
• 2024Immaculate — Sister Cecilia, Producer
• 2024Madame Web — Julia Cornwall
• 2023Anyone but You — Bea, Executive Producer
• 2023Reality — Reality Winner
• 2021Downfalls High — Scarlett Smith
• 2021Night Teeth — Eva
• 2021The Voyeurs — Pippa
• The White Lotus — Olivia Mossbacher
• 2020Big Time Adolescence — Holly
• 2020Nocturne — Juliet Lowe
• 2019Clementine — Lana
• Euphoria — Cassie Howard
• 2019Once Upon a Time... in Hollywood — 'Snake'
• 2018Along Came the Devil — Ashley
• Everything Sucks! — Emaline Addario
• 2018Relentless — Ally Drew
• Sharp Objects — Alice
• 2018The Wrong Daughter — Samantha
• 2018Under the Silver Lake — Shooting Star #2
• 2017Dead Ant — Sam
• In The Vault — Haley Caren
• 2017It Happened Again Last Night — Young Paige
• 2017Manic — Missy 'Paper Girl'
• Monster School Animation — Madeline Rayon (voice)
• 2017The Chattering — Ashely
• The Handmaid's Tale — Eden Spencer
• 2017Vikes — Ida
• 2016Cassidy Way — Kelsey Connors
• 2016The Horde — Hailey Summers
• 2015Held — Lily Woods
• 2015Love Made Visible — Leah
• 2015Stolen from the Suburbs — Emma
• 2015The Martial Arts Kid — Julia
• 2015The Unborn — Little Janey Hutchins
• 2014Angels in Stardust — Annie
• 2013Spiders — Emily
• Kickin' It — Kelsey Vargas
• 2011The Bling Ring — Izzy Fishman
• Chase — Kayla Edwards
• 2010Night Blind — Little Girl
• Pretty Little Liars — Willa
• 2010Takeo — Samantha Wright
• 2010The Opium Eater — Sara Detzer
• 2010The Ward — Young Alice Hudson
• 2010ZMD: Zombies of Mass Destruction — Lisa
• The Middle — Female Student #1
• 90210 — Girl
• Heroes — Little Girl
• Criminal Minds — Dani Forester
• Grey's Anatomy — Erin Weaver
• Robot Chicken — Barbie / Riley Andersen (voice), Barbie / Cinema Girl (voice)
• Family Guy — Sydney (voice)
• Barbarella — Barbarella, Executive Producer
• Gundam — Producer
• Hollow — Katrina Van Tassel, Producer
• I Pretended to Be a Missing Girl — Producer
• OutRun — Producer
• Scandalous! — Kim Novak, Producer
• Split Fiction — Executive Producer
• That Man from Rio — Executive Producer
• The Caretaker — Producer
• The Custom of the Country — Undine Spragg, Producer
• The Registration — Producer

Appearances as themselves (19)

• 30 Questions — Self - Guest
• 2026Euphoria: A Look Back — Self
• 2025Criminal — Herself
• Variety & CNN Actors on Actors — Self
• 2024My Way — Self
• The Kelly Clarkson Show — Self - Guest
• Carpool Karaoke: The Series — Self
• Celebrity Family Feud — Self
• Hot Ones — Self - Guest
• The Late Show with Stephen Colbert — Self - Guest
• The Tonight Show Starring Jimmy Fallon — Self - Guest
• Variety Studio: Actors on Actors — Self
• The One Show — Self
• Made in Hollywood — Self
• MTV Movie & TV Awards — Self - Presenter
• LIVE with Kelly and Mark — Self - Guest
• People's Choice Awards — Self - Presenter
• Saturday Night Live — Self - Host
• The Emmy Awards — Self