Park So-hyun

as Self (69 episodes)

as Kang Joo-young (10 episodes)

as Han Eun-sook (119 episodes)

as Self (1 episode)

as Professor (5 episodes)

as Park So Hyun (1 episode)

as Self (2 episodes)

as Self (55 episodes)

as Self (1 episode)

as Kang Jae-kyung (113 episodes)

as Sun-mi

as So-jung

as Yoo Da Yeong (1 episode)

as 주희 (1 episode)