Only when he began editing Minari did the writer-director Lee Isaac Chung see exactly how much his cast had done for the story. The film, about a Korean American family starting a farm in 1980s Arkansas, was inspired by his childhood, but Chung told his actors he didn’t want them imitating anyone he knew. So instead, they brought their own interpretations to the characters and made Chung’s tale theirs, too. “It’s easy when you have these actors, and every take is good,” he told me over Zoom last month, chuckling. “You have nothing bad to work with.”