Ahn Hyo-seop

as Kang-han / Chris K (12 episodes)

as Matthew Lee / Lee Hae Seok (12 episodes)

as Bak Yeon

as Kim Dok-ja

as Jinu (voice)

as Nam Si-heon / Koo Yeon-jun (12 episodes)

as Self (1 episode)

as Self (1 episode)

as Tatang (4 episodes)

as Kang Tae-moo (12 episodes)

as Ha Ram (16 episodes)

as Cha-min (16 episodes)

as Hyun Soo-yong (16 episodes)

as Yoo Chan (32 episodes)

as Self (1 episode), as 게스트 (1 episode)

as Park Se-gun (6 episodes)

as Park Cheol-Soo (52 episodes)

as Seo U-jin (32 episodes)

as Kim Jin-Woo (18 episodes)

as Choi Chul-Soo (51 episodes)

as Ahn Jung-Woo (16 episodes)

as Che Ah-jik (2 episodes)

as Self - Guest (1 episode)