Yoon Seo-yeon

as Oh Ae-sun (teen) (4 episodes)

as Young Hong In-ah (3 episodes)

as Jang Mi-ho (child) (16 episodes)

as Kang Eun Soo (child) (16 episodes)

as Oh Ma-eum (child) (16 episodes)

as Kang Mi-Rim (11-year) (52 episodes)

as Jung Seung Min (1 episode)