Choi Dae-chul

as Gong Dae-han (50 episodes)

as Oh Cheon-su (54 episodes)

as Baek Wook (8 episodes)

as Sung Hee-suk (10 episodes)

as Gong Cheon-myeong (50 episodes)

as Cho Dae-geun (20 episodes)

as Lee Chul (16 episodes)

as Lee Jong-hoon

as Cha Min-sik (1 episode)

as Bae Byun Ho [Lawyer] (1 episode)

as Heo Seong-tae (6 episodes)

as Chu Dong-Woo (16 episodes)

as Bae Byeon-ho (50 episodes)

as Yoon Seok Pil [Police] (16 episodes)

as Hwang Gyu-sik (1 episode)

as Detective Lee (36 episodes)

as Cheon Byeong-chul

as Jeon Chil-bok (40 episodes)

as Team Leader Ko (50 episodes)

as Lee Joo-Seung (10 episodes)

as Lee Tae-kyung (16 episodes)