Bae Hae-sun

as Cheongmaek Madam (6 episodes)

as Baek Hye-mi (12 episodes)

as Jang Mi-ae (54 episodes)

as Cho Yeon-sil (16 episodes)

as Na Ok-hee (16 episodes)

as Principal Park Hui-seon (7 episodes)

as Sung-jae's mother

as Young Bok-ja

as Ahn Seung-yeon (12 episodes)

as Jang Yeon-ok (12 episodes)

as Maker (16 episodes)

as Nam Haeng-ja (2 episodes)

as Yoon Jung-sook (16 episodes)

as Park Gwon-ja

as Kim Sung-mi (16 episodes)

as Ji Soon-ok (16 episodes)

as Lee Mi-sook (1 episode)

as Park Eun-hee (9 episodes)

as Jung Mi-sook

as Cha Jung-won (12 episodes)

as Oh Yeon-ok (12 episodes)

as Jung Jeong-yeon (6 episodes)

as Lee Min-young (1 episode)

as Hyo Shim (12 episodes)

as Dr. Jung Sang-eun (16 episodes)