Ha Yoon-kyung

as Hee-yeon

as Ki Eun-gyeol (1 episode)

as Geol-seung (14 episodes)

as Jeong-mi

as Kang Ha-ri (12 episodes)

as Ko Bok-hee (16 episodes)

as Self (1 episode)

as Heo Seon-bin (1 episode)

as Kwon Mi-ji

as Self (1 episode)

as Min Seo-jin (8 episodes)

as Rain

as Yoon Bo-min (young) (5 episodes)

as Hong Eun-a (2 episodes)

as Yoon Cho-won (12 episodes)

as Choi Su-yeon (16 episodes)

as 연수

as Wi Da-in (2 episodes)

as Jeong Yoon-jeong

as Ha-yoon

as 김지원 [지구대순경]

as Chae Yeon-seung (16 episodes)

as Heo Sun-bin (24 episodes)

as Ji-young