Jeong Ye-in

as Sin Hyeon-soo (young)

as Nam Hyun-sun (2 episodes)

as Kang Deok Sim (50 episodes)

as Cheon Jang-mi (8 episodes)

as Lee Yeo-wool (8 episodes)

as Yein

as Self (1 episode)

as Self (Yein)

as Self - Contestant (10 episodes)

as Self

as Self (3 episodes)

as Self

as Self

as Self (2 episodes)

as Jo Hae-ji (5 episodes)

as Self

as Self (5 episodes)

as Self (4 episodes)

as Student (1 episode)

as Self (Yein) (1 episode)