Kim Min-jung (actress)

Seol Mae-hwaThe innkeeper of Yongcheonru

Jung Sun-ah, Yo-han's greatest rival. She was born in a low-income family and used to be a servant in Yo-han's mansion, but now works for the Social Responsibility Foundation (SRF) and holds enough power to influence the leaders of society. Kim Ga-yoon as young Jung Sun-ah

Park Hoo-ja, the fourth daughter of Park Sang-pil, a notorious loan shark, who trains to become his successor. Her father collapses after being a victim of a mysterious stranger's schemes. After her father's death, she inherits and successfully expands their business and tracks down the person who conned her father, Jung-kook. Instead, of revenge, Hoo-ja offers to save his life as long as he runs for a seat in the National Assembly.

Kudo Hina / Yi Yang-hwa

Cha Do-ha

Mae-wol

Dal-po's blind date prospect (photo, ep. 3)

Maria Oh, a psychiatrist with a mysterious double life and a suspicious curiosity for all things Gap-dong.

Jin Hye-in

Han Yoo-kyung Yoon Jung-eun as young Han Yoo-kyung

Nam Hye-suk

Go Joon-hee Jung Min-ah as Han Kang-hee

Han Si-yeon

Sun Hee Lee Se-young as child Sun Hee