Sydney Sweeney (born September 12, 1997) is an American actress best known for her roles as Emaline Addario on the Netflix series Everything Sucks!, and as Eden in the Hulu series The Handmaid's Tale. Sweeney also appeared in the HBO miniseries Sharp Objects starring Amy Adams and currently stars as Cassie Howard in the HBO series Euphoria.
Sweeney was born and raised in Spokane, Washington. She has a younger brother named Trent. Her mother is a lawyer and her father is in the medical field. She gained an interest in acting after wanting to audition for a role in an indie movie that had come to her town. In order to convince her parents, she presented them a five-year business plan. They agreed and shortly after they moved to Los Angeles.
Sweeney has guest starred in TV shows such as Pretty Little Liars, Criminal Minds, Grey's Anatomy, 90210, and the series In the Vault as Haley Caren.
Sweeney starred as Emaline Addario on the Netflix series Everything Sucks!, which revolved around two groups of students in high school in 1996 in Oregon. Sweeney then starred in the HBO miniseries Sharp Objects where she starred as Alice, a roommate that Amy Adams' character meets at a psychiatric facility. Her character was originally supposed to have a smaller role, but the director kept bringing her in for more scenes. For the role, Sweeney studied stories of girls who suffered from mental illness and self-harming, and visited hospitals who had patients who self-harmed. Sweeney filmed Everything Sucks! and Sharp Objects concurrently, filming the former during the week and latter on the weekend.
Sweeney had a recurring role in the second season of the Hulu original series The Handmaid's Tale as Eden, a pious and obedient girl. Sweeney starred in the A24 thriller Under The Silver Lake. In June 2018, it was announced that Sweeney would be starring alongside Zendaya in the HBO series Euphoria as Cassie. The series premiered June 16, 2019.
She will also be seen in the upcoming psychological thriller Clementine. Sydney will play Lana, a rebellious young woman who begins a complex relationship with the main character, Karen. Sweeney will also star in the film Big Time Adolescence directed by Jason Orley. Sweeney's character is Holly, a young girl who acts older than she really is. In August 2018, it was announced that Sweeney would be starring in Quentin Tarantino's film Once Upon a Time in Hollywood. The film is set to be released in the United States on July 26, 2019. Sweeney is also starring in the upcoming horror film Tell Me Your Name.
She currently studies entrepreneurship. Sweeney is also a trained MMA fighter, and competed in high school.
Sweeney frequently talks about creating separate books for each of her characters which are "interactive diaries/timelines/memory books/pictures of the character’s entire world" from when the character was born to the first page of the script.