Greta Jiehan Lee (born March 7, 1983) is an American actress. She had supporting roles in the Netflix comedy-drama series Russian Doll (2019–2022) and the Apple TV+ drama series The Morning Show (2021–present). The latter earned her a nomination for a Primetime Emmy Award. She gained prominence for her starring role in the romantic drama film Past Lives (2023), for which she received a nomination for a Golden Globe Award for Best Actress.