Sandra Miju Oh (born July 20, 1971) is a Canadian-American actress. She is best known for her starring roles as Cristina Yang on the ABC medical drama series Grey's Anatomy (2005–2014) and Eve Polastri in the spy thriller series Killing Eve (2018–present). She has received numerous accolades, including two Golden Globe Awards and four Screen Actors Guild Awards, and twelve Primetime Emmy Award nominations.
Oh first gained recognition for her roles in the Asian-Canadian films Double Happiness (1994) and The Diary of Evelyn Lau (1994). On television, she was noted for her role as Rita Wu on the HBO sitcom Arliss (1996–2002). Her later television credits include Judging Amy and American Crime, as well as voice roles on American Dad!, American Dragon: Jake Long, The Proud Family, Phineas and Ferb, She-Ra and the Princesses of Power, and Invincible.
Oh is known for her standout supporting and leading performances in films such as Bean (1997), Last Night (1998), The Princess Diaries (2001), Long Life, Happiness & Prosperity (2002), Under the Tuscan Sun (2003), Sideways (2004), Wilby Wonderful (2004), Hard Candy (2005), Rabbit Hole (2010), Tammy (2014), Catfight (2016), and Meditation Park (2017), as well as voice roles in Mulan II (2004), Over the Moon (2020) and Raya and the Last Dragon (2021).
