Lee Yeon-doo

as Min Soo-kyung

as Bo-kyung

as Joo So-jung

as Kang Ji-na

as Kim Ji-hee

as Jung Seo-Yeon

as Lee Ju-ri

as Choi Mo Ran [Jung Jae Hoo's ex-wife]

as Kim Hyang Sook [Bo Ra's deceased older sister]

as Choi Ji Young [Lee Hyung Gyu's lover]

as Baek Min Hee [Nurse]

as Self

as [Min U's teacher]

as Neoz High Teacher

as Kang Dal Rae

as Jeong Seon Mi / Jang Mi Yeong / Kim Jung Hee / Lee Soo Jin

as Queen Inhye

as Kang Yoon Jung

as In Hong