Park Jae-jung

as Self (1 episode)

as Kim Jong Yong [Yeong Ha's uncle] (100 episodes)

as Joo-yeol

as Chang-min

as Lee In-Ho (54 episodes)

as Eun-gyo

as Dong-wook Kim (18 episodes)

as Jung Yak Yong (8 episodes)

as Sadaham (62 episodes)

as Daniel (16 episodes)

as Kang Ho-sae (178 episodes)

as Self (91 episodes)

as Kim Woo-Jin (16 episodes)

as Self (1 episode)