For Uhm Jung-hwa, returning as the brave former secret agent Mi-young in “Okay! Madam: Bon Voyage” is far more than just reprising a role. It is a challenge to her enduring power as a veteran actor and a rare milestone for a female-led action franchise in Korean cinema. The 56-year-old has long established herself as a top multi-entertainer. While dominating the music scene with groundbreaking hit songs, she has expanded her footprint on screens with defining roles in “Marriage Is a Crazy Thing” (2002) and “Singles” (2003). She also proved her ticket power with the 2009 disaster blockbuster “Haeundae,” which garnered over 11 million viewers. Speaking about her new movie “Okay! Madam: Bon Voyage,” Uhm expressed both nervousness and joy about bringing the sequel to theaters. “I am both worried and excited,” Uhm told The Korea Times at a cafe in Seoul, Tuesday. "Summer is a great time when many viewers visit theaters, so I have high expectations." The original 2020 action comedy hit "Okay! Madam" saw its theatrical run cut short due to the sudden onset of the COVID-19