

43 years
Kang Se-jung
1982-01-15
Yeouido-dong, Yeongdeungpo District, Seoul, South Korea
Woman
Actress, singer
2000–present
Cube Entertainment
Source: Wikipedia
2021–2022
Kim Ji-young (who became Anna Kim after her accident) (cameo eps. 1 and 6)
Is Gong Gye-ok, a 33-year-old woman who works odd jobs to sustain the lifestyle of her stepmother and her stepsister, and pursue her dream of recovering her late father's restaurant.
2017–2018
Jin Yeo-rim / Ki Seo-ra Kim Ji-ah as young Jin Yeo-rim / Ki Seo-ra
2013
Lee Kyung-mi, an undercover agent. She is Hyung-min's girlfriend and Soo-min's older sister. She grew up with Shi-hyun at the orphanage and it is hinted that she is Shi-hyun's love interest. She dies later on after being shot in the head by a sniper during an undercover mission to catch The Doctor's Son, who happens to be Shi-hyun.
Han Se-kyung
2012
Kang Yoo-ran / Kang Min-soo
2009–2010
Gung Bi-chwi (Jade)