Yoon Da-hoon

as Ko Dae-chi (122 episodes)

as Jin Jang-soo (128 episodes)

as Oh Kwang-Nam (103 episodes)

as Self (1 episode)

as Kang-Woo's father (3 episodes)

as Judge Seok Soo Il (2 episodes)

as Oh Geum-Mo (52 episodes)

as Lee Won-soo (28 episodes)

as Lee Joong-Shin (24 episodes)

as Bong Sam-Shik (51 episodes)

as Jin Hyeon Tae (25 episodes)

as Choi

as Self (1 episode)

as Hee Gyoo (40 episodes)

as Kim Pung-Bang (110 episodes)

as Young-Hoon (3 episodes)

as Lee Dal-Keon (140 episodes)

as Park Ji-roo

as Cha Seong-jun

as Eun-sik (84 episodes)