Main Characters Park Gun Woo 20 main appearances Seo Yi Kyung 20 main appearances Lee Se Jin 20 main appearances
Recurring Guest Characters Son Ui Song 20 guest appearances Jo Sung Mook 20 guest appearances Son Ki Tae 20 guest appearances Park Moo Sam 20 guest appearances Moon Hee Jung 20 guest appearances Writer Kim 20 guest appearances Tak 20 guest appearances Son Ma Ri 18 guest appearances Park Moo Il 18 guest appearances Nam Jong Gyu 18 guest appearances Jang Tae Joon 17 guest appearances Seo Bong Soo 8 guest appearances Kim Hwa Sook 7 guest appearances Shin Song Mi 4 guest appearances Kang Jae Hyun 4 guest appearances Sang Chul 2 guest appearances Kim Hong Suk 1 guest appearances Kim Mo Yang 1 guest appearances Businessman 1 guest appearances Hacker 1 guest appearances