Ji Hyun-woo

as Hyeon Min-cheol (12 episodes)

as Ko Pil-seung (50 episodes)

as Lee Young Guk (52 episodes)

as Kyung-hoon

as Cha Kang Woo (10 episodes)

as Seo Jung-Won (40 episodes)

as Han Seung-Joo (32 episodes)

as Soon-tae

as Jang Dol-Mok (50 episodes)

as Self (1 episode)

as Cha Seung-In (16 episodes)

as Lee Soo-In (12 episodes)

as Self (1 episode)

as Park Noh Ah (16 episodes)

as Jang Joon-hyun (16 episodes)

as Self (1 episode)

as Kim Boong-do (16 episodes)

as Lee Yoo-Jin

as Jang Woo-bin (50 episodes)

as Choi Suk-Bong (20 episodes)

as One Punch

as Shin-ho Jang (54 episodes)

as Yun Tae-Oh (16 episodes)