Oh Se-eun

as Kumdo Club Student (1 episode)

as Joo Ye-eun (eps 2, 12) (2 episodes)

as Bong Wool-yi (12 episodes)

as Party Guest

as Kim Hyun-mi (eps 9) (1 episode)

as Song Jae-hyung (10 episodes)

as Hong Jun Hee (10 episodes)

as Yoo Ja-sun (7 episodes)

as Maid (eps 3) (1 episode)

as Ahn Jung-eun's Friend (eps 7) (1 episode)

as Kang Hae-jin (young) (16 episodes)

as Bully Student (eps 14-15) (2 episodes)

as Song Je-in (2 episodes)

as Student (12 episodes)

as Female Student (eps 6) (1 episode)

as Yoo Min (12 episodes)

as Student (1 episode)

as Cha Hyeon Ji (1 episode)