Kim Soo-yeon

as Wang Mi-ae (16 episodes)

as Bicycle Shop Staff

as Wol Ha (9 episodes)

as Yoon Shin-hye (51 episodes)

as 'Pinky4' member (12 episodes)

as Byeon Tae-yeong (122 episodes)

as Moon Dong-hee (18 episodes)

as Chun Joo-hee (124 episodes)

as Ara

as Kim Yun-a

as Deo Gi (24 episodes)

as Kim Su-yeon (79 episodes)

as Kim Soo-yeon (40 episodes)

as Doo Joon's classmate (210 episodes)