Madisen Beaty is an American actress born on February 28, 1995, in Centennial, Colorado. She made her feature film debut in 2008, portraying the younger version of the character Daisy Fuller in David Fincher's film *The Curious Case of Benjamin Button*. Her career continued with significant roles in critically acclaimed films, notably her performance as Doris Solstad in Paul Thomas Anderson's *The Master* (2012). Subsequently, she worked with Quentin Tarantino in *Once Upon a Time in Hollywood* (2019), where she played Patricia "Katie" Krenwinkel, a member of the Manson Family. Her filmography also includes appearances in television series such as *The Fosters* and independent films like *Other People* (2016) and *The Clovehitch Killer* (2018). For her work in ensemble casts, she has shared major accolades, including a Critics' Choice Movie Award win for Best Acting Ensemble for *Once Upon a Time in Hollywood* and several Screen Actors Guild Award nominations.