Im Hwa-young

as So Hyeon-jeong (2 episodes)

as In Jeong (10 episodes)

as So-jin

as Min Ji (2 episodes)

as Choi Jung-hye (8 episodes)

as Ina

as Park Yoon-ji (8 episodes)

as Je-i

as Homeroom teacher

as Yoon Seo-young (7 episodes)

as Oh Young-Sim (16 episodes)

as Oh Young-shim (16 episodes)

as Kim Je-hee (16 episodes)

as Jeung Ha-yeon

as Seon-hwa

as Kyung-hwan's Wife

as Oh Gwang-sook (20 episodes)

as Lee Yoon-mi

as Young Seong-sim

as Cha Soo-min (16 episodes)

as Suk-jung

as Gil Rim-sung

as Ji-hye

as Eon-nyeon (32 episodes)

as Yeo-rang (1 episode)