Jin Yi-han

as Oh Man Ok (16 episodes)

as Goo Cheol-hoe

as Lee Joo-Heyok (16 episodes)

as Han Suk-Hoon (122 episodes)

as Choi Dong-seok (20 episodes)

as Self (2 episodes)

as Gu Hae-young (16 episodes)

as Jeon Ji-won (16 episodes)

as Jang Deok-saeng (16 episodes)

as Tal Tal (51 episodes)

as Seo In Jae

as Hong Young-hwi (22 episodes)

as Ko Chan-Young (60 episodes)

as Han Jung-soo (57 episodes)

as Park Min-jae

as Dae-han Jang (1 episode)

as 张大韩 (173 episodes)

as Lee Ki (56 episodes)

as Shin Jae-ha (17 episodes)

as Park Sang-kyu (8 episodes)

as Seminarian