Im Ji-gyu

as Jin-su

as Sung-pil

as Park Hyeon-tae (3 episodes)

as Art Director Cha Sung-woo (2 episodes)

as Young Park Hae-jin (2 episodes)

as Dong-pal (1 episode)

as Kang Seung-min (16 episodes)

as Oh Yoon-Ki (32 episodes)

as Lee Seung-Soo (16 episodes)

as Park Hyun-Seok (12 episodes)

as Yong-sun

as Kim Young Chul

as Kim Pil Ho (16 episodes)

as Jang Woo

as Shim Dong-chun (20 episodes)

as On-yoo

as cameo

as Byeon Sang-woo (20 episodes)

as Young-jae

as Stalker

as Kim Jae-seok (16 episodes)

as Kang-woo (44 episodes)

as space man