Son Ji-na

as Judge (1 episode)

as Bae Gyeong-hwa

as Principal Im Soon-ae (10 episodes)

as Resident Representative (segment "The Residents-Only Gym")

as Kang-hyeon's Mother

as [Yeon Bo Ra's mother] (1 episode)

as Hong Yeong-ae (11 episodes)

as Sung Mi-ran (16 episodes)

as Kim Shil-jang (48 episodes)

as Ji-sook

as Seo

as Woman

as Cha-seon

as Director Ko

as Jeong-hee

as CEO Oh

as Yun Mi Jeong (18 episodes)

as Ga-heun's mother

as Eun-a

as Sushi restaurant woman

as Hyo-sook

as Female armorer

as Lady Oh (1 episode)