Choi Young-jun

as Koo Seon-Gyu (12 episodes)

as Jin Young-in (12 episodes)

as Han Myeong-oh

as Wu Tae-sik (8 episodes)

as Goo Young-mo

as Guider (10 episodes)

as Kato (11 episodes)

as Min Kang-yong (4 episodes)

as Warrior (12 episodes)

as Detective Kim (6 episodes)

as Bang Ho-sik (20 episodes)

as Jang Seong-u (6 episodes)

as Baek Dong-hun (16 episodes)

as Cho Yeong-un (20 episodes)

as Choi Jae-sup (16 episodes)

as Bong Kwang-hyeon (24 episodes)