Kim Sung-kyun

as Self (3 episodes)

as Amusement Park Owner (1 episode)

as Yang Jeong-ho (11 episodes)

as Jang Gil-ryong (6 episodes)

as Kim Sun-min

as Self (1 episode)

as Self (1 episode)

as Kim Jun-yeob

as Joo Cheol-ho

as Lee Jae-man (21 episodes)

as Self (9 episodes)

as Self (2 episodes)

as Jang Hyeong-geun (12 episodes)

as Director Lee

as Kato Yoshiaki

as Kim Ma-nok (10 episodes)

as Self - Host (1 episode)

as Park Beom-gu (12 episodes)

as Dong-won

as Teacher

as Self (2 episodes)

as Self (1 episode)