Park Ju-hyun

as Jeong Hae-ri

as Hong Mi-jin (1 episode)

as Seo Se-hyeon (16 episodes)

as Jung-yoon

as Self (23 episodes)

as Choi Sun-hee (12 episodes)

as Sim Yoo-ra

as Han Yu-na

as Ye So-rang (12 episodes)

as Yoon-hee

as Park Tae-yang (16 episodes)

as Self - Host (1 episode)

as Oh Bong-yi (20 episodes)

as Kong Sun-Ji (12 episodes)

as Bae Gyu-ri (10 episodes)

as Kim Ji-soo (12 episodes)

as Female Student

as Self (2 episodes)

as Self (1 episode)

as Self (1 episode)