Na Hae-ryung

as Jung Hye-in (2 episodes)

as Gyeongbin Park (1 episode)

as Jang Seo-ah (50 episodes)

as Self (archive footage) (1 episode)

as Se-ra (2 episodes)

as In-ha (2 episodes)

as Jin Se-Ra (32 episodes)

as Oizys/Ji Seung (10 episodes)

as Yeon So-Ri (21 episodes)

as Yoo So Ra (7 episodes)

as Yoo Ra-eum (16 episodes)

as Oh Sun-Bok (1 episode)

as Girl

as Nursery School Student

as Gye-baek's Eldest Daughter