Mikaela Madison Rosberg is an American actress. She began her career acting in short films and received recognition for her role as a sullen teenager in the FX comedy series Better Things (2016–2022). Madison then played Susan Atkins in Quentin Tarantino's period comedy-drama film Once Upon a Time in Hollywood (2019) and Amber Freeman in the horror film Scream (2022). She gained praise for playing the titular character in Sean Baker's romantic comedy-drama film Anora (2024), earning a nomination for a Golden Globe Award.