While researching her role for a new film Past Lives, Greta Lee watched a South Korean reality show in which a celebrity is reunited with a childhood sweetheart. Being confronted by your first love is, unsurprisingly, a physical experience. “It’s initial shock, terror, a look of death, then ecstasy, joy and a desperate, deep sadness, all within a matter of seconds,” says the 40-year-old Korean-American actor on a video call from Los Angeles, where she lives with her husband, the writer Russ Armstrong, and their two sons.
It was a specific feeling she needed to tap into for the upcoming romantic drama from writer-director Celine Song, which has already been released in the United States to considerable critical acclaim. The film charts the story of two friends from South Korea:…