Kang Ji-woo

as Park Hyeon-ji (10 episodes)

as Young Song Ji-an (8 episodes)

as Seo Yi-gang (teen) (3 episodes)

as Park Yeon-woo (16 episodes)

as Yoo-rim

as Han Yeo-jin (child) (18 episodes)

as Saet-Byeol (2 episodes)

as Young Go Eun-byul (16 episodes)

as Rang-Yi (24 episodes)

as Yoo-mi

as Hye-rin

as Eun Hye Gyeol (20 episodes)

as So-Ra (120 episodes)

as Cheon Young-Joo (young) (38 episodes)

as Baek Soo-Jung (child) (18 episodes)