The daughter of a Chinesediplomat father and a German mother, she had some cachet as an "exotic" starlet in the 1950s and '60s. She appeared in supporting parts in lower budget U.S. and foreign movies, as well as some television shows. Although she had only one starring role in the movie Lisette (Fall Girl) in 1961 with John Agar, she is best known for her role as Ling-Ling - a Siamese cat transformed into a human by Samantha Stephens in an early episode of Bewitched.
Chi is currently living in Lucerne, Switzerland, where she has spent most of her life. She married and became known as Greta Maxwell. Her father founded a Chinese restaurant Li Tai Pe, in Switzerland. After her parents' deaths, she became the owner and manager of the restaurant.