 In 2001, Yi starred in a major Universal production "Pavilion of Women", which also starred Willem Dafoe and John Cho.Yi appeared in the episode "NICU" of the hit TV series "ER" in 2004.In 2005, she co-starred in the movie "Smile" alongside Mika Boorem, Linda Hamilton, Sean Astin, Erik von Detten and Beau Bridges.