Yoon Jong-hoon

as Ko Gyeol (122 episodes)

as Choi Young-ho (12 episodes)

as Yang Jin-mo (33 episodes)

as Kang Yu-seong (16 episodes)

as Self (16 episodes)

as Ha Yoon-chul (48 episodes)

as Kim Bo Seok (4 episodes)

as Yoo Tae-eun (32 episodes)

as Park Wan-seung (80 episodes)

as Gil Moo-Won (32 episodes)

as Yoon Jong-hoon (5 episodes)

as Seo Joon-Hee (34 episodes)

as Dae Woon (8 episodes)

as Wang Jeon (40 episodes)

as Seo Dong-joo (12 episodes)

as Choi Noo-Ri (2 episodes)

as Choi Yong-Jun (120 episodes)

as Kim Joon-Wook (12 episodes)

as Baek Sun-Jae (120 episodes)

as Lee Sang-hyun (5 episodes)

as Kim Woo-joo (123 episodes)

as Choi Yeon-ho