Park Ji-hwan

as Jang-soo

as Han Jung-bae

as Lee Hyeon-do

as Jang I-soo

as Eo Se-gyeom

as Won-dae

as Jo Pan-ho

as Mudeok (9 episodes)

as Go-myung's Father

as Self (1 episode)

as Self (1 episode)

as Mr. Park

as Moo Joong-ryeok (20 episodes)

as Moogol (8 episodes)

as Jong-du (8 episodes)

as Chief Choi

as Security Kim

as Jang I-soo

as Goo Gap-pyeong (9 episodes)

as Kim Oh-bok (12 episodes)

as Jang I-soo

as Self (19 episodes)

as Na Dae-yong

as Jang I-soo