Na Gab Soo 16 episodes, 2014
Cheon Do Hyeong (Sung Woon's father) (2014) unknown episodes
Superintendent Prosecutor unknown episodes
Hui Seong's grandfather 1 episode, 2018
Lee Kyoung-sik 1 episode, 2010
Yun Dae Hyeong 20 episodes, 2012
Choi Je Gook unknown episodes
Min Moo Goo unknown episodes
Hwang Gab Deuk unknown episodes