Jeon No-min

as Chang Chun-ha

as James (16 episodes)

as Father (2 episodes)

as Min Du-sik (125 episodes)

as Chairman Shim

as Han Jin-woong (12 episodes)

as Wang Je-gook (132 episodes)

as Doctor Cho

as Dan Chi-gang (16 episodes)

as Hwang Chung Seong (16 episodes)

as Kim Seung-woon (16 episodes)

as Young-bae's Father

as Choi In-gook (14 episodes)

as Yoo Babi's father (1 episode)

as Park Hae-Ryun (48 episodes)

as Do Jung Myung [CEO, JM Holdings] (3 episodes)

as Kang Yi-Soo (16 episodes)

as Old Heo-saek

as Cha Jin-Taek (32 episodes)

as Shin Myung-Joon (122 episodes)

as 오병욱 (1 episode)

as Choi Jae-Sung (52 episodes)

as Mo Joong-hun (6 episodes)