Jang So-yeon, born on May 4, 1980, is a South Korean actress known for her versatility and her prolific career as a character actress in film and television. She began her acting career in theater before establishing herself as one of the most recognizable faces in supporting roles. She gained international recognition for her roles in acclaimed television series such as *Secret Love Affair* (2014), *Something in the Rain* (2018), and *Crash Landing on You* (2019). On the big screen, she has appeared in successful films such as *Veteran* (2015) and the horror thriller *The Wailing* (2016), demonstrating remarkable acting range. For her performance in *Veteran*, she received the Best Supporting Actress award at the 3rd Wildflower Film Awards. Praised for her ability to bring depth and realism to her characters, she is considered one of the most reliable and respected supporting actresses in the South Korean industry.