Choi Dae-hoon

as Ji Han-su (1 episode)

as McKenna (10 episodes)

as Boo Oh-seong (1 episode)

as Seong Han-su (10 episodes)

as Son Gyeong-hun (8 episodes)

as Woo Myeong-hun (12 episodes)

as Bu Sang-gil (13 episodes)

as Choi Jin-man (12 episodes)

as Gwang-i

as Jang Mun-jae / Paimon (3 episodes)

as Self (1 episode)

as Yi Seon (16 episodes)

as Park Se-gyu (16 episodes)

as Seo Min-hyuk (12 episodes)

as Sleep Doctor

as Jang Seung-jun (4 episodes)

as No Seung Hwan / Nam Dae Moon [Seongju Prison inmate] (16 episodes)

as 촤병모

as Ryu Sung-jae (16 episodes)

as Reporter Kim (16 episodes)

as Park Jung-je (16 episodes)

as Park Sung-jae (16 episodes)

as Lee Woo-chul (16 episodes)