Sandra Miju Oh OC (born July 20, 1971) is a Canadian–American actress. She is best known for her starring roles as Rita Wu on the HBO comedy Arliss (1996–2002), Dr. Cristina Yang on the ABC medical drama series Grey's Anatomy (2005–2014) and Eve Polastri in the spy thriller series Killing Eve (2018–2022). She has received numerous accolades, including two Golden Globe Awards and four Screen Actors Guild Awards, and thirteen Primetime Emmy Award nominations. In 2019, Time magazine named Oh one of the 100 most influential people in the world.
Oh first gained recognition for her roles in the Canadian films Double Happiness (1994) and The Diary of Evelyn Lau (1994). 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, Chop Socky Chooks, She-Ra and the Princesses of Power, and Invincible. In 2021, she played the lead role in the Netflix comedy drama series The Chair and was also one of the executive producers of the series. She has had notable 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), The Land Before Time XIII: The Wisdom of Friends (2007), Over the Moon (2020), Raya and the Last Dragon (2021) and Turning Red (2022).
Oh won two Genie Awards for Best Performance by an Actress in a Leading Role for Last Night and Double Happiness and won a Gemini Award for Best Performance by an Actress in a Leading Role in a Dramatic Program or Mini-Series for The Diary of Evelyn Lau. She hosted the 28th Genie Awards in 2008, and became the first woman of Asian descent to host the Golden Globe Awards at the 76th ceremony in 2019. In March 2019, she became the first Asian-Canadian woman to host Saturday Night Live, and was the third actress of Asian descent to do so, after Lucy Liu in 2000 and Awkwafina in 2018. She was also the first actress of Asian descent to be nominated for the Primetime Emmy Award for Outstanding Lead Actress in a Drama Series and the first woman of Asian descent to win two Golden Globes. In addition to her Canadian citizenship, Oh has been a naturalized American citizen since 2018.
She hosted Saturday Night Live on March 30, 2019, the sixteenth episode of Season 44, with musical guest Tame Impala.