Madelyn Renee Cline (born December 21, 1997) is an American actress and model best known for her breakout role as Sarah Cameron in the Netflix teen adventure series Outer Banks (2020–present), as well as for appearing in the acclaimed mystery film Glass Onion: A Knives Out Mystery (2022) and the upcoming slasher film I Know What You Did Last Summer (2025). Raised in Goose Creek, South Carolina, she dropped out of Coastal Carolina University to move to Los Angeles, though she had already begun her career as a child model and actress, even starring in a Chuck E. Cheese's commercial and appearing in campaigns for brands like American Girl and Versace. Her early acting included minor roles in Boy Erased (2018) and Stranger Things (2017) before she achieved stardom with Outer Banks. In the modeling world, she became a brand ambassador for Tommy Hilfiger in 2023. Her high-profile personal life has included relationships with Outer Banks co-star Chase Stokes and comedian Pete Davidson, and she has been candid about struggling with an eating disorder and body image issues as a teenager.